Alexander X. Gray Assistant Professor Department of Physics Temple University 1925 N. 12th Street (SERC 442) Philadelphia, PA 19122-1801 Email: [email protected] Tel.: +1 510 512-6776 Website: https://phys.cst.temple.edu/graylab/

Education Ph.D. in Physics (2011) Lawrence Berkeley National Laboratory, Berkeley, California, USA, and University of California, Davis, California, USA Thesis: Depth resolved electronic structure of spintronic nanostructures and complex materials with soft and hard x-ray photoemission Advisor: Prof. Charles S. Fadley M.S. in Physics (2006) University of California, Davis, California, USA

Professional Experience Assistant Professor, Department of Physics, College of Science and Technology, Temple University. July 2014 – Present. Experimental Research Associate, Stanford Institute for Materials and Energy Science at the Stanford University and SLAC National Accelerator Laboratory. Sep. 2011 – June 2014. Graduate Research Assistant, Materials Sciences Division, Lawrence Berkeley National Laboratory, and Department of Physics, University of California, Davis. Dec. 2008 – Sep. 2011. Graduate Teaching Assistant, Department of Physics, University of California, Davis. Sep. 2008 – Dec. 2008, and Sep. 2005 – Sep. 2006. (Physics 7A, 7C – General Physics) Graduate Research Assistant, Department of Physics, University of California, Davis. Sep. 2006 – Sep. 2008. Materials Engineer, n&k Technology Inc. Santa Clara, California. May 2002 – Sep. 2010. Undergraduate Research Assistant, Department of Physics, San José State University. Sep. 1997 – May 2002. (NSF Research Experience for Undergraduates Program) Undergraduate Teaching Assistant, Department of Physics, San José State University. Sep. 2001 – May 2002. (Physics 2A, 2B – Fundamentals of Physics, Physics 70 - Mechanics) Physics Workshop Facilitator, Alliance for Minority Participation Program, San José State University. Sep. 2000 – May 2002. (Physics 70 – Mechanics, Physics 72 – Atomic Physics)

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Publications (in reverse chronological order) 2016 50. Tuning metal-insulator transition in few-unit-cells-thick LaNiO3 films, M. Golalikhani, Q. Lei, R. U. Chandrasena, L. Kasaei, H. Park, J. Bai, P. Orgiani, J. Ciston, G. E. Sterbinsky, D. A. Arena, P. Shafer, E. Arenholz, B. Davidson, A. J. Millis, A. X. Gray, and X. X. Xi, Nature Materials, under review (2016). 49. Controlling Electronic Properties of CaMnO3 Thin Films via Tunable Strain-Engineered Oxygen Vacancies, R. U. Chandrasena, W. Yang, Q. Y. Lei, M. U. Delgado-Jaime, M. Golalikhani, B. Davidson, E. Arenholz, K. Kobayashi, M. Kobata, F. M. F. de Groot, U. Aschauer, N. A. Spaldin, X. X. Xi, and A. X. Gray, Nano Letters, under review (2016). 48. Ultrafast THz Field Control of Electronic and Structural Interactions in Vanadium Dioxide, A. X. Gray, M. C. Hoffmann, J. Jeong, N. P. Aetukuri, H. Wen, D. Zhu, H. Y. Hwang, N. C. Brandt, S. Bonetti, R. Kukreja, C. Graves, A. H. M. Reid, P. Granitzka, Z. Chen, T.-C. Weng, D. Nordlund, D. Sokaras, R. Alonso-Mori, A. Sternbach, E. Abreu, M. Chollet, J. Glownia, B. Schlotter, M. Hantschman, Y. Zhu, M. Trigo, H. Ohldag, J. Stöhr, M. Samant, J. Freeland, R. Averitt, K. A. Nelson, S. S. P. Parkin, H. A. Dürr, Science Advances, under review (2016). arXiv:1601.07490 47. Constructing oxide interfaces and heterostructures by atomic layer-by-layer laser molecular beam epitaxy, Q. Lei, M. Golalikhani, B. A. Davidson, G. Liu, D. G. Schlom, Qiao Qiao, Y. Zhu, R. U. Chandrasena, W. Yang, A. X. Gray, E. Arenholz, A. K. Farrar, D. A. Tenne, M. Hu, J. Guo, R. K. Singh, X. X. Xi, npj Quantum Materials, accepted (2016). 46. Inter-Layer Coupling Induced Valence Band Edge Shift in Mono-to-Few Layer MoS2, D. J. Trainer, A. V. Putilov, C. Di Giorgio, T. Saari, B. Wang, M. Wolak, R. U. Chandrasena, C. Lane, T.-R. Chang, H.-T. Jeng, H. Lin, F. Kronast, A. X. Gray, X. X. Xi, J. Nieminen, A. Bansil, and M. Iavarone, Scientific Reports, accepted (2016). 45. Effects of Spin Excitons on the Surface States of SmB6: a Photoemission Study, A. Arab, A. X. Gray, S. Nemsak, D. V. Evtushinsky, C. M. Schneider, D.-J. Kim, Z. Fisk, P. F. S. Rosa, T. Durakiewicz, and P. S. Riseborough, Phys. Rev B 94, 235125 (2016). 44. Measurement of collective excitations in VO2 by resonant inelastic X-ray scattering, H. He, A. X. Gray, P. Granitzka, J. W. Jeong, N. P. Aetukuri, R. Kukreja, Lin Miao, Y. B. Huang, P. OlaldeVelasco, J. Pelliciari, W. F. Schlotter, E. Arenholz, T. Schmitt, M. G. Samant, S. S. P. Parkin, H. A. Dürr, L. Andrew Wray, Phys. Rev. B 94, 161119(R) (2016). 43. Superconductor to Mott insulator transition in YBa2Cu3O7/LaCaMnO3 heterostructures, B. A. Gray, S. Middey, G. Conti, A. X. Gray, C.-T. Kuo, A. M. Kaiser, S. Ueda, K. Kobayashi, D. Meyers, M. Kareev, I. C. Tung, Jian Liu, C. S. Fadley, J. Chakhalian, and J. W. Freeland, Scientific Reports 6, 33184 (2016). 42. Depth-Resolved Composition and Electronic Structure of Buried Layers and Interfaces in a LaNiO3/SrTiO3 Superlattice from Soft- and Hard- X-ray Standing-Wave Angle-Resolved Photoemission, D. Eiteneer, G. K. Palsson, S. Nemsak, A. X. Gray, A. M. Kaiser, J. Son, J. LeBeau, G. Conti, A. A. Greer, A. Keqi, A. Rattanachata, A. Y. Saw, A. Bostwick, E. Rotenberg, E. M. Gullikson, 2

S. Ueda, K. Kobayashi, A. Janotti, C. G. Van de Walle, A. Blanca-Romero, R. Pentcheva, C. M. Schneider, S. Stemmer, and C. S. Fadley, J. Electron Spectrosc. Rel. Phenom. 211, 70 (2016). 41. Generation mechanism of terahertz coherent acoustic phonons in Fe, T. Henighan, M. Trigo, S. Bonetti, P. Granitzka, D. Higley, Z. Chen, M. P. Jiang, R. Kukreja, A. X. Gray, A. H. Reid, E. Jal, M. C. Hoffmann, M. Kozina, S. Song, M. Chollet, D. Zhu, P. F. Xu, J. Jeong, K. Carva, P. Maldonado, P. M. Oppeneer, M. G. Samant, S. S. P. Parkin, D. A. Reis, H. A. Dürr, Phys. Rev. B 93, 220301(R) (2016). 40. Energetic, spatial and momentum character at a buried interface: The two-dimensional electron gas between two metal oxides, S. Nemšák, G. Pálsson, A. X. Gray, D. Eiteneer, A. M. Kaiser, G. Conti, A. Y. Saw, A. Perona, A. Rattanachata, C. Conlon, A. Bostwick, V. Strocov, M. Kobayashi, W. Stolte, A. Gloskovskii, W. Drube , M.-C. Asencio, J. Avila, J. Son, P. Moetakef, C. Jackson, A. Janotti, C. G. Van de Walle, J. Minár, J. Braun, H. Ebert, S. Stemmer, and C. S. Fadley, Phys. Rev. B 93, 245103 (2016). 39. Correlation-Driven Insulator-Metal Transition in Near-Ideal Vanadium Dioxide Films, A. X. Gray, J. W. Jeong, P. Granitzka, Z. Chen, N. P. Aetukuri, A. H. M. Reid, R. Kukreja, H. Ohldag, C. A. Jenkins, P. Shafer, E. Arenholz, J. Stöhr, M. Samant, S. S. P. Parkin, and H. A. Dürr, Phys. Rev. Lett. 116, 116403 (2016). 38. [Book] Hard X-ray Angle-Resolved Photoelectron Spectroscopy (HARPES), A. X. Gray, invited chapter in the book “Hard X-ray Photoelectron Spectroscopy (HAXPES)”, J. Woicik, Ed., ISBN 978-3-319-24041-1 (Springer, 2016).

2015 37. Interface Fe Magnetic Moment Enhancement in MgO/Fe/MgO Trilayers, E. Jal, J. B. Kortright, T. Chase, T. M. Liu, A. X. Gray, P. Shafer, E. Arenholz, P. Xu, J. Jeong, M. G. Samant, S. S. P. Parkin, and H. A. Dürr, Appl. Phys. Lett. 107, 092404 (2015). 36. Incomplete Protection of the Surface Weyl Cones of the Kondo Insulator SmB6: Spin Exciton Scattering, G. A. Kapilevich, P. S. Riseborough, A. X. Gray, M. Gulacsi, T. Durakiewicz, and J. L. Smith, Phys. Rev. B 92, 085133 (2015). 35. Self-Referencing Heterodyne Transient Grating Spectroscopy with Short Wavelength, E. Sistrunk, J. Grilj, J. Jeong, M. G. Samant, A. X. Gray, H. A. Dürr, S. S. P. Parkin, and M. Gühr, Photonics 2, 392 (2015). 34. Broadband Extreme Ultraviolet Probing of Transient Gratings in Vanadium Dioxide, E. Sistrunk, J. Grilj, J. Jeong, M. G. Samant, A. X. Gray, H. A. Dürr, S. S. P. Parkin, and M. Gühr, Optics Express 23, 4340 (2015). 33. Extreme Ultraviolet Transient Grating Measurement of Insulator-Metal Transition Dynamics in VO2, E. Sistrunk, J. Grilj, J. Jeong, M. G. Samant, A. X. Gray, H. A. Dürr, S. S. P. Parkin, and M. Gühr, Ultrafast Phenomena XIX, Springer Proc. in Phys. 162, 64 (2015).

2014 32. [Review] Future Directions in Standing-Wave Photoemission, A. X. Gray, invited review article for the special issue of Journal of Electron Spectroscopy and Related 3

Phenomena entitled Structure Determination and Wave function Analysis, J. Electron Spectrosc. Relat. Phenom. 195, 399 (2014). 31. Progress Toward Time-Resolved Molecular Imaging: a Theoretical Study of Optimal Parameters in Static Photoelectron Holography, S. X-L. Sun, A. P. Kaduwela, A. X. Gray, and C. S. Fadley, Phys. Rev. A 89, 053415 (2014).

2013 30. Momentum-Resolved Electronic Structure at a Buried Interface from Soft X-ray StandingWave Angle-Resolved Photoemission, A. X. Gray, J. Minár, L. Plucinski, M. Huijben, A. Bostwick, E. Rotenberg, S.-H. Yang, J. Braun, A. Winkelmann, G. Conti, D. Eiteneer, A. Rattanachata, A. A. Greer, J. Ciston, C. Ophus, G. Rijnders, D. H. A. Blank, D. Doennig, R. Pentcheva, C. M. Schneider, H. Ebert, and C. S. Fadley, Europhys. Lett. 104, 17004 (2013). 29. Control of the Metal-Insulator Transition in Vanadium Dioxide by Modifying Orbital Occupancy, N. B. Aetukuri, A. X. Gray, M. Drouard, M. Cossale, L. Gao, A. H. Reid, R. Kukreja, H. Ohldag, C. Jenkins, E. Arenholz, H. A. Dürr, M. Samant, S.S.P. Parkin, Nature Physics 9, 661 (2013). 28. Identifying the Role and the Electronic Character of the Mn-derived States in the Valence Band of (Ga,Mn)As, J. Fujii, B. R. Salles, M. Sperl, S. Ueda, K. Kobayashi, Y. Yamashita, M. Kobata, P. Torelli, M. Utz, C.S. Fadley, A. X. Gray, J. Minár, J. Braun, H. Ebert, I. Di Marco, O. Eriksson, P. Thunström, C. H. Back, G. van der Laan, and G. Panaccione, Phys. Rev. Lett. 111, 097201 (2013). 27. Band Offsets in SrTiO3/LaNiO3 and SrTiO3/GdTiO3 Complex Oxide Thin Films and Heterostructures by Soft and Hard X-ray Photoelectron Spectroscopy, G. Conti, A. M. Kaiser, A. X. Gray, S. Nemšák, G. Palsson, A. Y. Saw, D. Eiteneer, A. Perona, A. Rattanachata, A. Janotti, C. G. Van de Walle, A. Bostwick, W. Stolte, A. Gloskovskii, W. Drube, J. Son, S. Stemmer, and C. S. Fadley, J. Appl. Phys. 113, 143704 (2013). 26. Making Use of X-ray Optical Effects in Photoelectron-, Auger Electron-, and X-ray Emission Spectroscopies: Total Reflection, Standing-Wave Excitation and Resonant Effects, S.-H. Yang, A. X. Gray, A. M. Kaiser, B. S. Mun, B. C. Sell, J. B. Kortright, and C. S. Fadley, J. Appl. Phys. 113, 073513 (2013).

2012 25. Observation of Boron Diffusion in an Annealed Ta/CoFeB/MgO Magnetic Tunnel Junction with Standing-Wave Hard X-ray Photoemission, A. A. Greer, A. X. Gray, S. Kanai, A. M. Kaiser, S. Ueda, Y. Yamashita, C. Bordel, G. Palsson, N. Maejima, S.-H. Yang, G. Conti, K. Kobayashi, S. Ikeda, F. Matsukura, H. Ohno, C. M. Schneider, J. B. Kortright, F. Hellman, and C. S. Fadley, Appl. Phys. Lett. 101, 202402 (2012). 24. Bulk Electronic Structure of the Dilute Ferromagnetic Semiconductor Ga1-xMnxAs through Hard X-Ray Angle-Resolved Photoemission, A. X. Gray, J. Minár, S. Ueda, P. R. Stone, Y. Yamashita, J. Fujii, J. Braun, L. Plucinski, C. M. Schneider, G. Panaccione, H. Ebert, O. D. Dubon, K. Kobayashi, and C. S. Fadley, Nature Materials 11, 957 (2012). 23. Electronic Structure of Delta-doped La:SrTiO3 Layers by Hard X-ray Photoelectron Spectroscopy, A. M. Kaiser, A. X. Gray, G. Conti, B. Jalan, A. Kajdos, A. Gloskovskii, S. Ueda, Y. 4

Yamashita, K. Kobayashi, W. Drube, S. Stemmer, and C. S. Fadley, Appl. Phys. Lett. 100, 261603 (2012). 22. Temperature-Driven Nucleation of Ferromagnetic Domains in FeRh Thin Films, C. Baldasseroni, C. Bordel, A. X. Gray, A. M. Kaiser, F. Kronast, J. Herrero-Albillos, C. S. Fadley, and F. Hellman, Appl. Phys. Lett. 100, 262401 (2012). 21. Electronic Structure Changes across the Metamagnetic Transition in FeRh via Hard X-ray Photoemission, A. X. Gray, D. W. Cooke, P. Kruger, C. Bordel, A. M. Kaiser, S. Moyerman, E. E. Fullerton, S. Ueda, Y. Yamashita, A. Gloskovskii, C. M. Schneider, W. Drube, K. Kobayashi, F. Hellman, and C. S. Fadley, Phys. Rev. Lett. 108, 257208 (2012).

2011 20. Chemical Stability of the Magnetic Oxide EuO Directly on Silicon Observed by Hard X-ray Photoemission Spectroscopy, C. Caspers, M. Müller, A. X. Gray, A. M. Kaiser, A. Gloskovskii, C. S. Fadley, W. Drube, and C. M. Schneider, Phys. Rev. B 84, 205217 (2011). 19. Fabrication of Layered Nanostructures by Successive Electron Beam Induced Deposition with Two Precursors: Protective Capping of Metallic Iron Structures, M. Schirmer, M.-M. Walz, C. Papp, F. Kronast, A. X. Gray, B. Balke, S. Cramm, C. S. Fadley, H.-P. Steinrück, and H. Marbach, Nanotechnology 22, 475304 (2011). 18. Identification of Different Electron Screening Behavior between Bulk and Surface of (Ga,Mn)As, J. Fujii, M. Sperl, S. Ueda, K. Kobayashi, Y. Yamashita, M. Kobata, P. Torelli, F. Borgatti, M. Utz, C. S. Fadley, A. X. Gray, G. Monaco, C. H. Back, G. Van der Laan, and G. Panaccione, Phys. Rev. Lett. 107, 187203 (2011). 17. Electronic Structure of EuO Spin Filter Tunnel Contacts Directly on Silicon, C. Caspers, M. Muller, A. X. Gray, A. M. Kaiser, A. Gloskovskii, C. S. Fadley, W. Drube, and C. M. Schneider, Physica Status Solidi RRL 5, 441 (2011) Journal Cover. 16. Suppression of Near-Interface Electronic States at the Fermi Level of LaNiO3/SrTiO3 Superlattices, A. M. Kaiser, A. X. Gray, J. Son, G. Conti, A. Greer, A. Perona, A. Rattanachata, A. Saw, A. Bostwick, S. Stemmer, and C. S. Fadley, Phys. Rev. Lett. 107, 116402 (2011). 15. Probing Bulk Electronic Structure with Hard X-Ray Angle-Resolved Photoemission, A. X. Gray, C. Papp, S. Ueda, B. Balke, Y. Yamashita, L. Plucinski, J. Minár, J. Braun, E. Ylvisaker, C. M. Schneider, W. E. Pickett, H. Ebert, K. Kobayashi, and C. S. Fadley, Nature Materials 10, 759 (2011). 14. Insulating State of Ultrathin Epitaxial LaNiO3 Thin Films Detected by Hard X-Ray Photoemission, A. X. Gray, J. Janotti, J. Son, J. LeBeau, S. Ueda, Y. Yamashita, K. Kobayashi, A. M. Kaiser, R. Sutarto, H. Wadati, G. A. Sawatzky, C. G. Van de Walle, S. Stemmer, and C. S. Fadley, Phys. Rev. B 84, 075104 (2011). 13. Hard X-ray Photoemission Study of Near-Heusler FexSi1-x Alloys, A. X. Gray, J. Karel, J. Minár, C. Bordel, J. Braun, H. Ebert, S. Ueda, Y. Yamashita, K. Kobayashi, F. Hellman, and C. S. Fadley, Phys. Rev. B 83, 195112 (2011).

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2010 - 2006 12. Interface Properties of Magnetic Tunnel Junction LSMO/STO Superlattices Studied by Standing-Wave Excited Photoemission Spectroscopy, A. X. Gray, C. Papp, B. Balke, S.-H. Yang, M. Huijben, E. Rotenberg, A. Bostwick, S. Ueda, Y. Yamashita, K. Kobayashi, E. M. Gullikson, J. B. Kortright, F. M. F. DeGroot, G. Rijnders, D. H. A. Blank, R. Ramesh, and C. S. Fadley, Phys. Rev. B 82, 205116 (2010). 11. Band Gap and Electronic Structure of an Epitaxial, Semiconducting Cr0.80Al0.20 Thin Film, Z. Boekelheide, A. X. Gray, C. Papp, B. Balke, D. A. Stewart, S. Ueda, Y. Yamashita, K. Kobayashi, F. Hellman, and C. S. Fadley. Phys. Rev. Lett. 105, 236404 (2010). 10. Standing-Wave Excited Soft X-Ray Photoemission Microscopy: Application to Co Microdot Magnetic Arrays, A. X. Gray, F. Kronast, C. Papp, S.-H. Yang, S. Cramm, I. P. Krug, F. Salmassi, E. M. Gullikson, D. L. Hilken, E. H. Anderson, P. Fischer, H. A. Dürr, C. M. Schneider, and C. S. Fadley, Appl. Phys. Lett. 97, 062503 (2010). 9. Optical Detection and Characterization of Graphene by Broadband Spectrophotometry, A. Gray, M. Balooch, S. Allegret, S. De Gendt, and W. Wang, J. Appl. Phys. 104, 053109 (2008). 8. Phase Shift Mask Etch Process Development Utilizing a Scatterometry-Based Metrology Tool, J. Plumhoff and A. Gray, Proc. SPIE 7028, 702807 (2008). 7. Measuring Contact Hole Corner Rounding Uniformity Using Optical Scatterometry, J. C. Lam, A. Gray, S. Chen, and J. Richter, Proc. SPIE 6792, 679212 (2008). 6. Measurements of Corner Rounding in 2D Contact Holes on Phase-Shift Masks Using Broadband Reflectance and Transmittance Spectra in Conjunction with RCWA, A. Gray, J. C. Lam, S. Chen, and J. Richter, Proc. SPIE 6730, 67303C (2007). 5. Polarized Transmittance-Reflectance Scatterometry Measurements of 2D Trench Dimensions on Phase-Shift Masks, J. C. Lam, A. Gray, R. Howell, and S. Chen, Proc. SPIE 6607, 660710 (2007). 4. Innovative Application of the RCWA Method for the Ultra-Sensitive Transmittance-Based CD Measurements on Phase-Shift Masks, A. Gray, J. C. Lam, and S. Chen, Proc. SPIE 6533, 65330F (2007). 3. Novel Technique for Critical Dimension Measurements of Phase-Shift Masks Using Broadband Transmittance Spectra in Conjunction with RCWA, A. Gray, J. C. Lam, and S. Chen, Proc. SPIE 6349, 634949 (2006). 2. Fast Non-Destructive Optical Measurements of Critical Dimension Uniformity and Linearity on AEI and ASI Phase-Shift Masks, A. Gray and J. C. Lam, Proc. SPIE 6349, 63491O (2006). 1. Optical Measurements of Critical Dimensions at Several Stages of the Mask Fabrication Process, J. C. Lam and A. Gray, Proc. SPIE 6152, 61523C (2006).

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Invited Talks (at Conferences) 43. Revealing the Origins of Non-Joulian Magnetism with High-Resolution Photoemission Microscopy, Invited talk presented at the 63th Annual AVS International Symposium and Exhibition (AVS 2016), November 6-11, 2016, Nashville, Tennessee. 42. Probing Magnetic, Electronic and Structural Ordering in Novel Magnetostrictive Materials, Invited talk presented at the Advanced Light Source Users Meeting, October 3-5, 2016, Lawrence Berkeley National Laboratory, Berkeley, California. 41. Exploring Entangled Nanophases in VO2 and Fe-Ga, Invited talk presented at the Advanced Light Source Users Meeting, October 3-5, 2016, Lawrence Berkeley National Laboratory, Berkeley, California. 40. Controlling Electronic Interactions and Phase Separation in VO2 via Strain, Temperature and Ultrafast Electric Fields, Invited talk presented at the International Conference on Quantum in Complex Matter: Superconductivity, Magnetism and Ferroelectricity (Superstripes 2016), June 23-29, 2016, Ischia, Italy. 39. Dynamic Control of Fundamental Physical Interactions in Strongly-Correlated Oxides, Invited talk presented at the International Conference on Lasers and Electro-Optics (CLEO 2016), June 5-10, 2016, San Jose, California. 38. Electric-Field Driven Structural Phase Transitions in VO2, Invited talk presented at the LCLS/SSRL Users Meeting, October 7-10, 2015, SLAC National Accelerator Laboratory, Menlo Park, California. 37. Towards Ultrafast Control of Fundamental Physical Interactions in Strongly-Correlated Oxides, Invited talk presented at the Advanced Light Source Users Meeting, October 5-7, 2015, Lawrence Berkeley National Laboratory, Berkeley, California. 36. Controlling Fundamental Physical Interactions in Strongly-correlated Electronic Systems with Ultrafast THz Electric Fields, Invited talk presented at the Upcoming Scientific Opportunities at the Linac Coherent Light Source II symposium at the APS March Meeting, March 2-6, 2015, San Antonio, Texas. 35. Probing Magnetic Interfaces and Nanostructures with Hard X-ray and Standing-Wave Excited Photoemission Spectroscopy, Presented at the 60th Annual AVS International Symposium and Exhibition (AVS 2013), October 27 - November 1, 2013, Long Beach, California. 34. Separating Electronic and Structural Phase Transitions in VO2 with THz-Pump X-Ray Probe Spectroscopy, Invited talk presented at the Stanford Photonics Research Center 2013 Annual Symposium, September 16-18, 2013, Stanford, California. 33. Future Directions in Hard X-ray Photoemission, Young Scientist Award invited talk presented at the SPring-8 Symposium 2013, September 7-8, 2013, Kyoto, Japan.

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32. HARPES: Emerging Technique for Measuring Bulk Band Structure of Materials and Nanostructures, Presented at the 5th International Conference on Hard X-ray Photoelectron Spectroscopy (HAXPES 2013), June 17-20, 2013, Uppsala, Sweden. 31. Depth-Resolved Electronic Structure of Complex Materials and Nanostructures with Hard Xray and Standing-Wave Excited Photoemission, Presented at the 12th International Conference on Electronic Spectroscopy and Structure (ICESS-12), September 16-21, 2012, Saint-Malo, France. 30. Emerging Photoemission Techniques for Probing Buried Layers and Interfaces: HAXPES, HARPES and SWARPES, Presented at the Advanced Light Source Users Meeting, October 3-5, 2011, Lawrence Berkeley National Laboratory, Berkeley, California. 29. Depth Resolved Composition and Electronic Structure of an LSMO/STO Superlattice via Standing-Wave Excited Angle-Resolved Photoemission, Presented at the IEEE 7th International Symposium on Metallic Multilayers (MML 2010), September 19-24, 2010, Berkeley, California. 28. Probing magnetic nanostructures using standing-wave excited photoemission spectroscopy and microscopy, Presented at the Advanced Light Source Users Meeting, October 15-17, 2009, Lawrence Berkeley National Laboratory, Berkeley, California.

(at Workshops, Colloquia and Seminars) 27. Emerging X-ray Techniques for Probing Matter with Depth and Time Resolution, Invited colloquium talk presented at the Lafayette College Physics Department, April 15, 2016, Easton, Pennsylvania. 26. Probing Electronic Properties of Advanced Materials with Depth and Time Resolution, Invited seminar talk presented at the University of Delaware Physics Department, March 21, 2016, Newark, Delaware. 25. New Ways of Probing Materials and Interfaces with X-rays, Invited colloquium talk presented at the University of Arkansas Physics Department, February 19, 2016, Fayetteville, Arkansas. 24. Towards ultrafast control of fundamental physical interactions in strongly-correlated oxides, Invited symposium talk presented at the MRS Fall Meeting and Exhibit, November 29 - December 4, 2015, Boston, Massachusetts. 23. Recent Advances in the Fields of X-ray Spectroscopy and Imaging, Invited colloquium talk presented at the Stockton University Physics Department, November 9, 2015, Galloway, New Jersey. 22. Discovering New Ways of Looking at Materials with X-rays, Invited seminar talk presented at the Institut National de la Recherche Scientifique (INRS), April 10, 2015, Varennes, Canada. 21. Understanding the Nanoscale Evolution of Emerging Electronic Phases of Matter in the Presence of Intense THz Electric Fields, Invited workshop talk presented at the Workshop on Nonequilibrium Quantum Matter, Iowa State University, December 11-12, 2014, Ames, Iowa. 20. X-ray Spectroscopy and Imaging: Future Perspectives for Energy Materials, Invited seminar talk presented at the PennEnergy Penn Center for Energy Innovation, University of Pennsylvania, October 6, 2014, Philadelphia, Pennsylvania. 8

19. Future Directions in Standing-Wave Spectroscopy, Invited workshop talk presented at the CSX2 MagnetoSpectroscopy Program Development Workshop, NSLS2, Brookhaven National Laboratory, September 29, 2014, Brookhaven, New York. 18. Future Directions in X-ray Spectroscopy and Imaging: Femtosecond Physics with Depth Resolution, Invited seminar talk presented at the University of California Riverside Physics Department, February 18, 2014, Riverside, California. 17. Femtosecond Physics with Depth Resolution, Invited seminar talk presented at the University of New Hampshire Physics Department, February 12, 2014, Durham, New Hampshire. 16. Electronic Structure with Depth and Time Resolution, Invited seminar talk presented at the California Institute of Technology Institute for Quantum Information and Matter, February 7, 2014, Pasadena, California. 15. Future Directions in X-ray Spectroscopy and Imaging, Invited seminar talk presented at the Temple University Physics Department, January 29, 2014, Philadelphia, Pennsylvania. 14. Separating Purely-Electronic and Structural Transitions in VO2 with THz-Pump X-Ray Probe Spectroscopy, Invited talk presented at the Stanford Photonics Research Center 2013 Annual Symposium, September 16-18, 2013, Stanford, California. 13. Ultrafast Dynamics of THz Electric-Field-Induced Insulator-to-Metal Transition in VO2, Invited talk presented at the 2013 Mott MURI Oxide Interfaces Meeting, August 6-8, 2013, Stanford, California. 12. Ultrafast Electron and Lattice Dynamics of the THz Electric-Field-Induced Insulator-to-Metal Transition in VO2 Thin Films, Invited seminar talk presented at the SLAC National Accelerator Laboratory, July 03, 2013, Menlo Park, California. 11. Hard X-ray and Standing-Wave Excited Photoemission: Emerging Techniques for DepthResolved Studies of Materials, Invited seminar talk presented at the Advanced Light Source, July 18, 2012, Berkeley, California. 10. Novel Trends in Photoemission: Hard X-rays, Standing-Waves and Time-Resolved Measurements, Invited seminar talk presented at the UC Davis Physics Department, March 15, 2012, Davis, California. 9. Probing Bulk Electronic Structure of Magnetic Semiconductors with Hard X-ray AngleResolved Photoemission, Presented at the X-ray Spectroscopy of Magnetic Solids Workshop (XRMS 2011) at the SLAC National Accelerator Laboratory, October 22-23, 2011, Menlo Park, California. 8. Mott Insulating State of Ultrathin Epitaxial LaNiO3 Thin Films Detected by Hard X-ray Photoemission, Presented at the 4th International Workshop on Hard X-ray Photoelectron Spectroscopy (HAXPES 2011) at Deutsches Elektronen-Synchrotron DESY, September 14-16, 2011, Hamburg, Germany. 7. Depth-Resolved ARPES of Buried Layers and Interfaces via Soft X-ray Standing-Wave Excitation, Invited seminar talk presented at the Swiss Light Source, August 12, 2011, Villigen, Switzerland.

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6. Probing Bulk Electronic Structure via Hard X-ray Angle-Resolved Photoemission, Invited seminar talk presented at the IBM Almaden Research Center, July 26, 2011, San Jose, California. 5. Depth-Resolved ARPES of Buried Layers and Interfaces via Soft X-ray Standing-Wave Excitation: La0.7Sr0.3MnO3/SrTiO3 Magnetic Tunnel Junction, Presented at the International Workshop on Strong Correlations and Angle-Resolved Photoemission Spectroscopy (CORPES11), July 18-22, 2011, Berkeley, California. 4. Depth-Resolved ARPES of Buried Layers and Interfaces via Soft X-ray Standing-Wave Excitation, Invited seminar talk presented at the SLAC National Accelerator Laboratory, June 30, 2011, Menlo Park, California. 3. Depth-resolved standing-wave excited full field soft x-ray microscopy of magnetic nanostructures, Presented at the XM-3: A Next Generation Full-field Soft X-ray Microscope for Materials Sciences at LBNL Workshop, June 28, 2010, Lawrence Berkeley National Laboratory, Berkeley, California. 2. Optical Measurement of Thickness and Properties of Ultra-Thin Films in Complex Multi-Layer Film Stacks Used in MRAM Fabrication, Presented at the American Vacuum Society Thin Film User Group Meeting, May 2005, Santa Clara, CA. 1. Optical Measurement of Thickness and Properties of Ultra-Thin High-k Dielectric Films Deposited on W and Cu, Presented at the American Vacuum Society Thin Film User Group Meeting, March 2003, Santa Clara, CA.

Contributed Talks at Conferences 23. Towards Ultrafast Control of Conductivity and Electronic Correlations in Vanadium Dioxide, Presented at the 2016 Joint MMM/Intermag Conference, January 11-15, 2016, San Diego, California. 22. Controlling Fundamental Physical Interactions in VO2 via Strain, Temperature and Ultrafast THz Electric Fields, Presented at the 13th International Conference on Electronic Spectroscopy and Structure (ICESS 2015) September 28 – October 2, 2015, Stony Brook, New York. 21. Ultrafast Terahertz Electric-Field Control of the Insulator-Metal Transition in Vanadium Dioxide, Presented at the IEEE International Magnetics Conference (Intermag 2014), May 4-8, 2014, Dresden, Germany. 20. Towards Wide Temperature Range Control of the Metal-Insulator Transition in Correlated Oxides by Modifying Orbital Occupancy, Presented at the 58th Annual Conference on Magnetism and Magnetic Materials (MMM 2013), November 4-8, 2013, Denver, Colorado. 19. Tuning Metal-to-Insulator Transition in Thin Epitaxial VO2 Films via Strain-Induced Manipulation of Bonding and Orbital Hybridization, Presented at the 38th International Conference on Vacuum Ultraviolet and X-ray Physics (VUVX 2013), July 12-19, 2013, Hefei, China. 18. Probing buried magnetic layers and interfaces with depth-resolved standing-wave excited angle-resolved photoemission (SW-ARPES), Presented at the 12th Joint MMM/Intermag Conference, January 14-18, 2013, Chicago, Illinois. 10

17. Electronic Structure of Magnetic Semiconducting Cr0.20Al0.80 and the Anti-ferromagnetic-toFerromagnetic Transition in FeRh from Hard X-ray Photoemission, Presented at the 12th International Conference on Electronic Spectroscopy and Structure (ICESS-12) September 16-21, 2012, Saint-Malo, France. 16. Bulk Electronic Structure Changes across the Metamagnetic Transition in FeRh via Hard Xray Photoemission, Presented at the IEEE International Magnetics Conference (Intermag 2012), May 7-11, 2012, Vancouver, Canada. 15. Mott Behavior of Ultrathin Epitaxial LaNiO3 Films and Interfaces via Hard X-ray and StandingWave Excited Photoemission, Presented at the IEEE International Magnetics Conference (Intermag 2012), May 7-11, 2012, Vancouver, Canada. 14. Bulk Electronic Structure of FeRh Undergoing Metamagnetic Transition via Hard X-ray Photoemission, Presented at the APS March Meeting, February 27 - March 2, 2012, Boston, Massachusetts. 13. Probing Bulk Electronic Structure with Hard X-ray Angle-Resolved Photoemission, Presented at the 2011 Annual Meeting of the California-Nevada Section of the American Physical Society, November 10-11, 2011, Menlo Park, California. 12. Electronic Structural Changes Across the Metamagnetic Transition in FeRh via Hard X-ray Photoemission, Presented at the 56th Annual Conference on Magnetism and Magnetic Materials (MMM 2011), October 30 - November 3, 2011, Scottsdale, Arizona. 11. Probing Bulk Electronic Structure of (Ga,Mn)As via Hard X-ray Angle-Resolved Photoemission: Valence-Band and Core-Level Study, Presented at the IEEE International Magnetics Conference (Intermag 2011), April 25-29, 2011, Taipei, Taiwan. 10. Mott Insulating State of Ultrathin Epitaxial LaNiO3 Film via Hard X-ray Photoemission, Presented at the IEEE International Magnetics Conference (Intermag 2011), April 25-29, 2011, Taipei, Taiwan. 9. Depth Resolved Electronic Structure of an LSMO/STO/LSMO Magnetic Tunneling Junction via Standing-Wave Excited Angle-Resolved Photoemission, Presented at the 55th Annual Conference on Magnetism and Magnetic Materials (MMM 2010), November 14-18, 2010, Atlanta, Georgia. 8. Bulk Electronic Structure of the Ferromagnetic Semiconductor Ga1-xMnxAs via Hard X-ray Angle-Resolved Photoemission, Presented at the 55th Annual Conference on Magnetism and Magnetic Materials (MMM 2010), November 14-18, 2010, Atlanta, Georgia. 7. Depth Resolved Electronic Structure of an LSMO/STO/LSMO Magnetic Tunneling Junction via Standing-Wave Excited Angle-Resolved Photoemission, Presented at the 2010 Annual Meeting of the California-Nevada Section of the American Physical Society, October 29-30 2010, Pasadena, California. Received APS Margaret Burbidge Award for Best Graduate Student Experimental Work. 6. Depth Resolved Photoelectron Microscopy of Nanostructures via Soft X-Ray Standing Wave Excitation, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 11

5. Angle-Resolved Photoemission in the Multi-keV Regime: First Experimental Data and Theory for W and GaAs, Presented at the 11th International Conference on Electronic Spectroscopy and Structure (ICESS-11), October 6-10, 2009, Nara, Japan. 4. Measurements of Corner Rounding in 2D Contact Holes on Phase-Shift Masks Using Broadband Reflectance and Transmittance Spectra in Conjunction with RCWA, Presented at the SPIE Photomask Technology 27th Annual International Symposium, September 18-21, 2007, Monterey, California. 3. Polarized Transmittance-Reflectance Scatterometry Measurements of 2D Trench Dimensions on Phase-Shift Masks, Presented at the SPIE Photomask Japan 14th Annual International Symposium, April 17-19, 2007, Yokohama, Japan. 2. Innovative Application of the RCWA Method for the Ultra-Sensitive Transmittance-Based CD Measurements on Phase-Shift Masks, Presented at the European Mask and Lithography Conference, January 22-25, 2007, Grenoble, France. 1. Fast Non-Destructive Optical Measurements of Critical Dimension Uniformity and Linearity on AEI and ASI Phase-Shift Masks, Presented at the SPIE Photomask Technology 26th Annual International Symposium, September 18-22, 2006, Monterey, California.

Poster Presentations at Conferences 22. Ultrafast Terahertz Electric-Field Control of the Insulator-Metal Transition in Vanadium Dioxide, Presented at the Gordon Research Conference on Ultrafast Phenomena in Cooperative Systems, February 2-7, 2014, Ventura, California. 21. Depth and Orbital Resolved Electronic Structure of the Buried GdTiO3/SrTiO3 Interface from Standing-Wave ARPES, Presented at the 12th International Conference on Electronic Spectroscopy and Structure (ICESS-12), September 16-21, 2012, Saint-Malo, France. 20. Depth-Resolved Standing-Wave Photoemission from a BiFeO3/La0.7Sr0.3MnO3 Superlattice using Soft and Hard X-ray Excitation, Presented at the 12th International Conference on Electronic Spectroscopy and Structure (ICESS-12), September 16-21, 2012, Saint-Malo, France. 19. Layer-Resolved Densities of States and Valence-Band Offsets in Oxide Superlattices from Soft and Hard X-Ray Photoemission and Standing-Wave Photoemission, Presented at the 12th International Conference on Electronic Spectroscopy and Structure (ICESS-12), September 16-21, 2012, Saint-Malo, France. 18. Depth-Resolved ARPES of Buried Layers and Interfaces via Soft X-ray Standing-Wave Excitation, Presented at the Nature Conference Frontiers in Electronic Materials, June 17-20, 2012, Aachen, Germany. 17. Hard X-ray Angle-Resolved Photoemission as a Bulk-Sensitive Probe of Electronic Structure, Presented at the Nature Conference Frontiers in Electronic Materials, June 17-20, 2012, Aachen, Germany.

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16. Depth-Resolved ARPES of Buried Layers and Interfaces via Soft X-ray Standing-Wave Excited Photoemission, Presented at the APS March Meeting, February 27 - March 2, 2012, Boston, Massachusetts. 15. Mott Behavior of Ultrathin Epitaxial LaNiO3 Films and Interfaces via Hard X-ray and Standing-Wave Excited Photoemission, Presented at the APS March Meeting, February 27 - March 2, 2012, Boston, Massachusetts. 14. Bulk Electronic Structure and Recoil Effects in LaB6 via Hard X-Ray Photoemission and Hard X-Ray ARPES, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 13. Depth Resolved Electronic Structure of an LSMO/STO Superlattice via Standing-Wave Excited Angle-Resolved Photoemission, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 12. Electronic Properties of LaNiO3 Mott Interfaces via Hard X-Ray Photoemission, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 11. Hard X-ray Photoemission Study of Fe1-xSix Binary Heusler Alloys, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 10. Hard X-ray Photoemission Measurement of the Band Gap in an Epitaxial, Semiconducting Cr0.80Al0.20 Thin Film, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 9. Bulk Electronic Structure of (Ga,Mn)As Ferromagnetic Semiconductors via Angle-Resolved Hard X-Ray Photoemission, Presented at the 37th International Conference on Vacuum Ultraviolet and X-Ray Physics (VUVX 2010), July 11-16, 2010, Vancouver, BC, Canada. 8. Chemical and Magnetic Properties of the Fe/MgO Interface via Standing-Wave Excited Photoelectron Emission and Magnetic Circular Dichroism, Presented at the IEEE 7th International Symposium on Metallic Multilayers (MML 2010), September 19-24, 2010, Berkeley, California. 7. Hard X-ray Photoemission Study of Fe1-x)Six Binary Heusler Alloys, Presented at the IEEE 7th International Symposium on Metallic Multilayers (MML 2010), September 19-24, 2010, Berkeley, California. 6. Depth Resolved Photoelectron Microscopy of Nanostructures via Soft X-Ray Standing Wave Excitation, Presented at the IEEE 7th International Symposium on Metallic Multilayers (MML 2010), September 19-24, 2010, Berkeley, California. 5. Bulk Electronic Structure of (Ga,Mn)As Ferromagnetic Semiconductors via Hard X-Ray Photoemission, Presented at the IEEE 7th International Symposium on Metallic Multilayers (MML 2010), September 19-24, 2010, Berkeley, California.

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4. High-Energy Photoelectron Diffraction: Model Calculations and Comparison to First Experimental Data, Presented at the 11th International Conference on Electronic Spectroscopy and Structure (ICESS-11), 6-10 October, 2009, Nara, Japan. 3. Three-Dimensional Photoelectron Microscopy: Depth-Resolved Microscopy of Nanostructures via Soft X-Ray Standing-Wave Excitation, Presented at the 11th International Conference on Electronic Spectroscopy and Structure (ICESS-11), 6-10 October, 2009, Nara, Japan. 2. Soft X-Ray Standing Wave and Magnetic Circular Dichroism Study of the Fe/MgO Interface, Presented at the 11th International Conference on Electronic Spectroscopy and Structure (ICESS-11), 6-10 October, 2009, Nara, Japan. 1. Characterization of Buried Interface Phenomena in Spintronic Superlattice Nanostructures using Standing-Wave Excited Photoemission in the Soft and Hard X-Ray Regimes, Presented at the 11th International Conference on Electronic Spectroscopy and Structure (ICESS-11), 6-10 October, 2009, Nara, Japan.

Awards, Honors and Fellowships 10. Army Research Office (ARO) Young Investigator Program (YIP) Award, 2015. 9. Young Scientist Award, SPring-8 User Community, 2013. 8. University of California, Davis, Ryan Couch Memorial Travel Award, 2011. 7. APS Margaret Burbidge Award for Best Graduate Student Experimental Work, 2010. 6. IEEE Magnetics Society Student Award at the 7th International Symposium on Metallic Multilayers, 2010. 5. University of California, Davis, Summer Graduate Student Researcher Award, 2010. 4. University of California, Davis, Block Grant Fellowship, Fall 2009. 3. University of California, Davis, Block Grant Fellowship, Winter 2009. 2. n&k Technology Inc. Industrial Fellowship, 2006-2008. 1. REU (Research Experience for Undergraduates) Fellowship, NASA Ames - SJSU, 1997-2001.

Synergistic Activities 1. Symposium co-organizer: Lighting the path towards non-equilibrium structure-property relationships in complex materials, MRS Fall Meeting, Nov. 29 – Dec. 4, 2015, Boston, MA. 2. Workshop co-organizer: Nanophases in Functional Materials, Advanced Light Source User Meeting, Oct. 5-7, 2015, Berkeley, CA. 3. Workshop co-organizer: Workshop on Experiment and Theory of the Electronic Structure of Correlated f-electron Materials, August 15-17, 2016, Temple University, Philadelphia, PA.

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4. Member of the Program Committee: 61st Annual Conference on Magnetism and Magnetic Materials (2016 MMM), Oct. 31 – Nov. 4, 2016, New Orleans, Louisiana 5. Article Reviewer for: Journal of Electron Spectroscopy and Related Phenomena (named Outstanding Reviewer in 2015) IEEE Transactions on Magnetics 6. Proposal Reviewer for: Advanced Light Source, LBNL, Magnetism Program Swiss National Science Foundation National Science Foundation 7. Academic Committees (Temple University): Dean’s Advisory Committee (Fall 2015 - present) Temple Materials Institute Executive Committee (Spring 2016 - Present) Undergraduate Program Review Committee (Fall 2016 - Present) Undergraduate Recruitment and Outreach Committee (Spring 2016 - present) Temple Materials Institute MRSEC Planning Committee (Spring 2016 - Fall 2016) Introductory Physics Committee (Spring 2015 - Fall 2015) Junior Faculty Search Committee (Spring 2015) Senior Faculty Search Committee (Spring 2015) Publicity Committee (Spring 2015 - Fall 2015) Physics Department Webmaster (Fall 2014 - Fall 2015) Designed and built the current Physics Department website. 8. Conference Session Chair: Multiferroic Materials and Complex Oxides, Intermag 2014, Dresden, Germany Low-Dimensional and Other Topological Materials, Intermag/MMM 2016, San Diego, California 9. Memberships: APS, IEEE.

Approved Proposals at the National Synchrotron and FEL Facilities Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA Beamline 4.0.2: XAS, XMCD, XMLD, XPS, Scattering (2010-2017) Beamline 4.0.3: RIXS (2013) Beamline 6.3.2: Soft x-ray reflectometry (2008-2015) Beamline 7.0.1: XPS, ARPES (2009-2012) Beamline 8.0.1: XAS, XES (2009) Beamline 9.3.1: Hard x-ray photoemission (2012-2013) Beamline 11.0.1: PEEM (2011-2017) Beamline 12.0.1: ARPES (2010) Advanced Photon Source, Argonne National Laboratory, Lemont, IL, USA Beamline 26-ID-C: Hard x-ray nanodiffraction (2016-2017) Stanford Synchrotron Radiation Lightsource, SLAC, Menlo Park, CA, USA Beamline 13-3: Soft x-ray coherent scattering (2011-2014) Beamline 6-2: Hard x-ray XAS, XES, x-ray Raman scattering (2012-2013) 15

Linac Coherent Light Source, SLAC, Menlo Park, CA, USA Soft X-ray Materials Science (SXR) Beamline: Soft x-ray coherent scattering (2011-2014) X-ray Pump Probe (XPP) Beamline: Hard x-ray XAS/XES and Diffraction (2013-2014) National Synchrotron Light Source, Brookhaven National Laboratory, Upton, NY, USA Beamline U4B: XAS, XMCD, XLD (2014) SPring-8, Hyogo, Japan Beamline BL15XU: Hard x-ray photoemission, hard x-ray APRES (2009-2011). PETRA III, DESY, Hamburg, Germany Beamline P09: Hard x-ray photoemission (2010-2011) BESSY, Helmholtz-Zentrum Berlin, Berlin, Germany Beamline KMC-1 (HIKE): Hard x-ray photoemission (2009) Beamline UE49-PGM (SP-PEEM): Soft x-ray photoemission microscopy (2009-2015) Swiss Light Source, Paul Scherrer Institute, Switzerland Beamline ADRESS: ARPES (2011, 2015-2016) Beamline ADRESS: RIXS (2013) Diamond Light Source, Oxford, United Kingdom Beamline 09: ARPES, HAXPES (2017)

Mentorship Thesis Advisor to 3 Graduate Students (Temple University): Ravini U. Chandrasena, Weibing Yang, Arian Arab.

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