Current Research

My research is in electronic theory of magnetism and magnetotransport; some of the current projects are:

• First-principles studies of spin-disorder resistivity in magnetic metals
• Development of new first-principles techniques to describe the electronic structure and thermodynamics of magnetic materials at finite temperatures
• First-principles studies of magnetotransport in heterostructures, including spin injection into semiconductors and spin-dependent transport in magnetic and multiferroic tunnel junctions (collaboration with Prof. Tsymbal)
• Development of Gd-doped oxides for neutron detector technology (collaboration with Prof. Dowben)
• Surface magnetism of antiferromagnetic chromia (collaboration with Prof. Binek)
• Noncollinear magnetism and piezomagnetic effects in antiperovskite compounds (collaboration with Prof. Sabirianov)

Recent Key Publications

A. N. Chantis, K. D. Belashchenko, D. L. Smith, E. Y. Tsymbal, M. van Schilfgaarde, and R. C. Albers, "Reversal of spin polarization in Fe/GaAs (001) driven by resonant surface states: First-principles calculations," Phys. Rev. Lett. (2007), in press.

Ya. B. Losovyj, I. Ketsman, A. Sokolov, J. Tang, Z. Wang, K. D. Belashchenko, P. A. Dowben, J. Tang, and Z. Wang, "The electronic structure change with Gd doping of HfO₂ on silicon," Appl. Phys. Lett. 91, 132908 (2007).

A. L. Wysocki, K. D. Belashchenko, J. P. Velev, and M. van Schilfgaarde, "Calculations of spin-disorder resistivity from first principles," J. Appl. Phys. 101, 09G506 (2007).

A. N. Chantis, K. D. Belashchenko, E. Y. Tsymbal, and M. van Schilfgaarde, "Tunneling anisotropic magnetoresistance driven by resonant surface states," Phys. Rev. Lett. 98, 046601 (2007).

E. Y. Tsymbal, K. D. Belashchenko, J. P. Velev, S. S. Jaswal, M. van Schilfgaarde, I. I. Oleynik, and D. A. Stewart, "Interface effects in spin-dependent tunneling," Progr. Mater. Sci. 52, 401-420 (2007).

J. P. Velev, C.-G. Duan, K. D. Belashchenko, S. S. Jaswal, and E. Y. Tsymbal, "Effect of ferroelectricity on electron transport in Pt/BaTiO₃/Pt ferroelectric tunnel junctions," Phys. Rev. Lett. 98, 137201 (2007).