Alexander Demkov
- Professor
- Affiliated Faculty, Oden Institute
- Texas Materials Institute
- Physics
Contact Information
Biography
Alex Demkov is a professor of Physics at The University of Texas at Austin. In 1997-2005, he was a principal staff scientist in Motorola's R&D organization providing theoretical support for the development of low- and high-k dielectric materials, following postdoctoral research at Arizona State University. In 2005, he joined the faculty of the Physics Department at the University of Texas at Austin. Demkov has made significant contributions to materials physics. He is Fellow of the American Physical Society and Senior Member of IEEE. He has published over 280 papers and has been awarded 10 US Patents.
Research
Demkov's research spans a broad range of topics in the physics of electronic and optical materials. His current research is focused on oxide heterostructures and integrated silicon photonics.
Research Areas
- Materials Science
Centers and Institutes
- Texas Materials Institute
Education
- Ph.D., Arizona State University
Publications
- A. Christensen, A. B. Posadas, B. Zutter, P. Finnegan, S. Bhullar, S. Bishop, A. A. Talin, and A. A. Demkov, “Effect of substrate and growth method on vanadium dioxide thin films by RF magnetron sputtering: vanadium metal oxidation vs. reactive sputtering,” J. Appl. Phys. 134, 015301 (2023).
- A. B. Posadas, V. E. Stenger, J. DeFouw, J. H. Warner and A. A. Demkov, “RF-Sputtered Z-Cut Electro- Optic Barium Titanate Modulator on Silicon Photonic Platform,” J. of Appl. Phys. 134, 073101 (2023).
- M. Reynaud, H. Huyan, C. Du, W. Li, A.B. Posadas, X. Pan and A. A. Demkov, “Si-integrated BaTiO3 for Electro-Optic Applications: Crystalline and Polarization Orientation Control,” ACS Appl. Electron. Mater. 5, 4605 (2023).
- I. Kim, T. Paoletta and A. A. Demkov, “Nature of the electro-optic response in tetragonal BaTiO3,” Phys. Rev. B. 108, 115201 (2023).
- Z. Dong, A. Raju, A. B. Posadas, M. Reynaud, A. A. Demkov, and D. M. Wasserman, “Monolithic Barium Titanate Modulators on Silicon-on-Insulator Substrates,” ACS Nanophotonics 10, 4376 (2023).
- S. Apte and A. A. Demkov, “Linear electro-optic effect in strontium barium niobate: a first principles study,” J. Appl. Phys. 135, 084102 (2024).
- A. Dodson, H. Wu, A. Rai, S. Apte, A. O’Hara, B. Lawrie, Y. Q. Wang, A. Ueda, H. Krzyzanowska, M. Titze, J. Davidson, A. Hmelo, A. B. Posadas, A. A. Demkov, S. T. Pantelides, L. C. Feldman, and N. H. Tolk, “Phonon-Mediated Temperature Dependence of Er3+ Optical Transitions in Er2O3,” Nature Comm. Phys. 7, 69 (2024).
- I. Kim and A. A. Demkov, “Linear electro-optic effect in trigonal LiNbO3: a first-principles study,” Phys. Rev. Materials 8, 025202 (2024).
- A. A. Demkov and A. B. Posadas, “Ferroelectric BaTiO3 for electro-optic modulators in Si photonics,” IEEE J. of Sel. Top. Quantum Electron. 30, 8200113 (2024).
- A. Christensen, M. Reynaud, A. B. Posadas, X. Zhan, J. H. Warner and A. A. Demkov, “Electro-optic effect in thin film strontium barium niobate (SBN) grown by RF magnetron sputtering on SrTiO3 substrates,” J. of Appl. Phys. 136, 013102 (2024).
- S. Apte and A. A. Demkov, “Phase transitions and Raman effect in Er2O3 from first principles,” Phys. Rev. Materials 8, 116202 (2024).
Awards
- NSF CAREER award
- IBM Faculty Award
- Fellow of the American Physical Society
- Senior Member IEEE
- AVS Excellence in Leadership Award