CV Sergey Vitkalov Physics Department J419 Convent Avenue at 138th street New York, NY, 10031 Fax:212-6506940 Tel.212 650 5460 vitkalov@sci.ccny.cuny.edu Education 1986 Ph.D. Institute of Solid State Physics, Chernogolovka, Russia 1981 M.Sc. at Moscow Institute of Physics and Technology, Russia Positions Held 2006-pres Associate Professor, Physics Department, CCNY 2002-2006 Assistant Professor, Physics Department, CCNY 1998-2002 Research Professor, Research Foundation, CUNY 1997-1998 Research Associate, Chemistry Department, University of Florida 1989-1999 Senior Research Associate, P.N.Lebedev Physical Institute of Russian Academy of Sciences, Russia 1986-1989 Research Associate, P.N.Lebedev Physical Institute of Russian Academy of Sciences, Russia Research: Research is focused on dynamical and nonlinear properties of low dimensional electron systems. Goals are to understand fundamental properties of electron transport in nano-scaled objects. Recent publications: 2010 A. A. Bykov, A. V. Goran, and S. A. Vitkalov "Interference of magneto-intersubband and phonon-induced resistance oscillations in single GaAs quantum wells with two populated subbands" Phys. Rev. B 81, 155322 (2010) 2009 Jing Qiao Zhang, Sergey Vitkalov, and A. A. Bykov, "Nonlinear resistance of 2D electrons in crossed electric and magnetic fields" Phys. Rev. B 80, 045310 (2009) Sergey Vitkalov (review article) "Nonlinear transport of 2D electrons in crossed electric and quantizing magnetic fields" International Journal of Modern Physics B v.23, 4727 (2009) Jing Qiao Zhang, Sergey Vitkalov, A. A. Bykov, and A. I. Toropov "Nonlinear transport of 2D electrons in magnetic fields" International Journal of Modern Physics B v.23, 2689 (2009) A. V. Goran, A. A. Bykov, A. I. Toropov and S. A. Vitkalov "Effect of electron-electron scattering on magneto-intersubband resistance oscillations of two dimensional electrons in GaAs quantum well" Phys. Rev. B 80, 193305 (2009) 2008 N. Romero, S. Mchugh, M. P. Sarachik,S. A. Vitkalov,A. A. Bykov Effect of parallel magnetic field on the Zero Differential Resistance State Phys. Rev. B 78, 153311 (2008) N.Romero Kalmanovitz, A. A. Bykov, S.A. Vitkalov, A. I. Toropov "Warming in systems with discrete spectrum: spectral diffusion of two dimensional electrons in magnetic field" Phys. Rev. B 78 085306 (2008) N.Romero Kalmanovitz, I.Hoxha, Y.Jin, S.A. Vitkalov, M.P. Sarachik, Ivan A. Larkin, T.M. Klapwijk Two-Parameter Scaling of Microwave Rectification vs Microwave Power at the Boundary between Two-Dimensional Electron Systems Phys. Rev. B 77, 035415 (2008) 2007 A.A. Bykov, Jing-Qiao Zhang, Sergey Vitkalov, A.K. Kalagin, A.K. Bakarov "Zero differential resistance state of two dimensional electron systems in strong magnetic fields" Phys. Rev. Lett.99, 116801 (2007) Jing-qiao Zhang, Sergey Vitkalov, A.A. Bykov, A.K. Kalagin, A.K. Bakarov "Effect of DC electric field on longitudinal resistance of two dimensional electrons in a magnetic field" Phys. Rev. B 75, 081305(R) (2007). In this paper a new mechanizm of warming in physical systems with a discrete spectrum has been identified. This paper has been selected by Journal Club of Condensed Matter Physics (http://www.condmatjournalclub.org) as one of the significant publications of August 2006. A. Bykov, I. V. Marchishin, A. K. Bakarov, Jing-Qiao Zhang and S. A. Vitkalov “Hall Breakdown in a Modulation-Doped GaAS/AlAs Heterostructure” JETP Letters, 85, 69 (2007) 2006 Jing-qiao Zhang, Sergey Vitkalov, Z.D. Kvon, J. C. Portal, A.Wieck “Directed electron transport through ballistic dot under microwave radiation” Physical Review Letter , V.97, 226807 (2006) A.A.Bykov, A.K.Bakarov, A.K.Kalagin, A.I.Toropov, and S.A.Vitkalov “Radiation-induced magnetoresistance oscillations in a 2D electron gas in GaAs quantum well with AlAs/GaAs superlattices barriers”, Physica E: Low dimensional Systems and Nanostructures, v. 34, 97 (2006) Publication list: 1. S.A.Vitkalov, G.I.Leviev, and S.U.Potapenko "Cross-modulation of magnetoplasma waves in Bismuth" Fiz.Niz.Temp. v.8, N.1, p.59, 1982 2. S.A.Vitkalov, A.P.Kopasov, and G.I.Leviev "Nonlinear cyclotron resonance in a normal magnetic field" Sov.Phys.JETP 58(6), p.1275,1983 3. S.A.Vitkalov, V.F.Gantmakher, and G.I.Leviev "Threshold generation of microwave harmonics in a solid-state plasma and parametric excitation of hypersound in bismuth" Sov.Phys.JETP 63(4),p.876, 1986 4. S.A.Vitkalov, V.F.Gantmakher, and G.I.Leviev "Magnetoacoustoelectronic instabilities in bismuth in constant and high-frequency electric fields" Sov.Phys.JETP 63(6), p.1310, 1986 5. S.A.Vitkalov, V.F.Gantmakher, and G.I.Leviev "Threshold generation of harmonics in the microwave range in bismuth" JETP Lett. 39,p.660,1984 6. S.A.Vitkalov, V.F.Gantmakher, and G.I.Leviev "Nonlinear reflection of an electromagnetic wave from Bismuth with supersonic drift of carriers" Sol.State Commun. 54,p.1091,1985 7. S.A.Vitkalov, G.M.Gusev,Z.D.Kvon, and G.I.Leviev "Suppression of localization effects by microwave radiation in a 2D electron gas" JETP Lett.43,p.185,1986 8. S.A.Vitkalov, G.M.Gusev,Z.D.Kvon, G.I.Leviev,and V.I.Falko "Dynamical effect of a microwave field on weak localization" Sov.Phys.JETP 67, p.1080,1988 9. S.A.Vitkalov,F.A.Pudonin,E.G.Sokol, and I.M.Suslov "Anomalous behavior of the superconducting transition temperature of an Nb/SiO superlattice", JETP Lett.49,p.188,1989 10. S.A.Vitkalov,and E.I.Zavaritskaya "Microwave resonance of 2D holes in Ge bicrystals", 20-th Int. Conf.Phys. Semicond. Ed. by E.M.Anastassakis and J.D.Joannopoulos, World Scientific,p.2279,1990 11. S.A.Vitkalov, M.M.Rzaev, and D.N.Tokarchuk "Frequency dependence of magnetic-field response of granular superconductors", JETP Lett., v.51, p.156,1990 12. S.A.Vitkalov, M.M.Rzaev, and D.N.Tokarchuk "Magnetic field fluctuations of microwave absorption and low frequency diamagnetic screening in polycrystal superconductor films YBaCuO", Superconductivity: phys., chem.,tech. v.3,N.6,p.973,1990 13. S.A.Vitkalov, E.G.Sokol, and D.N.Tokarchuk "Temperature and sample size dependences of the magnetic field response of YBaCuO films", Superconductivity: phys.,chem.,tech, v.4,N12,p.2318,1991 14. S.A.Vitkalov, I.M.Suslov "Physical realization of self-teaching neuron network" JETP Letters v.56, N1, p.63, 1992 15. S.A.Vitkalov "Screening properties of inhomogeneous superconducting YBaCuO films in magnetic field" JETP 76(4),p.640,1993 16. S.A.Vitkalov, H.G.Sokol, F.A.Pudonin "Quantum Oscillations of Superconducting Transition Temperature of Nb films with Two Plane Defects", Superconductivity:phys., chem., tech. July, p.973,1994 17. S.A.Vitkalov "High frequency conductivity of two dimensional electrons under weak localization conditions" JETP 82(5), p.994, 1996 18. L.E.Svistov, S.A.Vitkalov "High frequency electromagnetic action on dc magnetic moment of granular YBaCuO superconductor in magnetic field", Proceeding of LT21 Conference , S3, p.1267, 1996 19. S.A.Vitkalov, C.R.Bowers, J.L. Reno, J.A. Simmons "Quenching of Nuclear Spin Diffusion in Strained GaAs-AlGaAs Multiple Quantum Wells" 39th Experimental Nuclear Magnetic Resonance Conference, 1998 20. S.A.Vitkalov "Vortex drag in Quantum Hall Effect", JETP Lett. v.67, 295-298, 1998 http://xxx.lanl.gov/cond-mat/9803152 21. S.A.Vitkalov "Vortex model of the Negative Drag in Quantum Hall Effect", Proceedings of the Physical Phenomena at High Magnetic Field -III, 1998, Editors: Z. Fisk, L. Gorkov, R. Schrieffer 22. S.A.Vitkalov, C.R.Bowers, J.A.Simmons, J.L.Reno "Effect of the nuclear hyperfine field on the 2D electron conductivity in the quantum Hall regime", JETP Lett. v.69 ,64-70, (1999) 23. S.A.Vitkalov, C.R.Bowers, J.A.Simmons, J.L.Reno "Nuclear spin-orientation dependence of magnetoconductance: a new method for measuring the spin of charged excitations in the quantum Hall effect", J. Phys.: Condens. Matter v.11, L407-L414, (1999). 24. S.A.Vitkalov, C.R.Bowers, J.A.Simmons, J.L.Reno "ESR detection of optical dynamical nuclear polarization in GaAS/AlGaAS quantum wells at unity filling factor in the quantum Hall effect", Phys. Rev. B v.61, p.5447-5451, 2000 25. S. A. Vitkalov , H. Zheng, K. M. Mertes, M. P.Sarachik, and T. M. Klapwijk, "Small-angle Shubnikov-de Haas Oscillations in Silicon MOSFET's," Phys. Rev. Lett. 85, 2164, 2000 26. K. M. Mertes, Hairong Zheng, S. A. Vitkalov, M. P. Sarachik, and T. M. Klapwijk "Temperature-Dependence of the Resistivity of a Dilute 2D Electron System in High Parallel Magnetic Field," Phys.Rev. B, Rapid Communication, 63, R41101, 2000; http://xxx.lanl.gov/abs/cond-mat/0006379 27.K. M. Mertes, Hairong Zheng, S. A. Vitkalov, M. P. Sarachik, and T. M. Klapwijk "Temperature-Dependence of the Resistivity of a Dilute 2D Electron System in High Parallel Magnetic Field," Phys.Rev. B, Rapid Communication, 63, R41101, 2000; http://xxx.lanl.gov/abs/cond-mat/0006379 28. S. A. Vitkalov, Hairong Zheng, K. M. Mertes, M. P. Sarachik and T. M. Klapwijk "Hall Coefficient of a Dilute 2D Electron System in Parallel Magnetic Field." Phys. Rev. B, 63, 193304, 2001; http://xxx.lanl.gov/abs/cond-mat/0008456 29. S. A. Vitkalov, Hairong Zheng, K. M. Mertes, M. P. Sarachik, T. M. Klapwijk "Scaling of the magnetoconductivity of silicon MOSFET's: Evidence for a quantum phase transition in two dimensions" Phys. Rev. Lett. 87, 086401, 2001; http://xxx.lanl.gov/abs/cond-mat/0009454 30. S. A. Vitkalov, M. P. Sarachik, T. M. Klapwijk "Spin Polarization of Two-Dimensional Electrons Determined from Shubnikov-de Haas Oscillations as a Function of Angle", Phys. Rev. B, 64, 073101, 2001; http://xxx.lanl.gov/abs/cond-mat/0101196 31. S. A. Vitkalov "Hall Coefficient and electron-electron interaction of 2D electrons in Si-MOSFET's" Phys. Rev. B 64, 195336, 2001; http://xxx.lanl.gov/abs/cond-mat/0102415 32. I. Hoxha, S. A. Vitkalov, N. A. Zimbovskaya, M. P. Sarachik and T. M. Klapwijk " Microwave Rectification at the Boundary between Two-Dimensional Electron Systems." http://xxx.lanl.gov/abs/cond-mat/0110331 33. S. A. Vitkalov and M. P. Sarachik “Scaling Behavior of the Magnetoconductivity of Dilute 2D Electrons: Transition to a Spin Ordered Phase” Phys. Stat. Sol.(b) 230, 73, (2002) 34. S. A. Vitkalov, M. P. Sarachik, T. M. Klapwijk "Spin polarization of strongly interacting 2D electrons: the role of disorder" Phys. Rev. B 65, 201106, 2002; http://xxx.lanl.gov/abs/cond-mat/0202381 35. S. A. Vitkalov, K. James, B. N. Narozhny, M. P. Sarachik, T. M. Klapwijk "In-plane Magnetoconductivity of Si-MOSFET's: A Quantitative Comparison between Theory and Experiment" Phys. Rev. B 67, 113310 (2003), http://xxx.lanl.gov/abs/cond-mat/0204566 36. Myriam P. Sarachik and Sergey A. Vitkalov “ Does mg diverge at a finite electron density in silicon inversion layers?” J. Phys.Soc. Jpn.. 72, Suppl. A pp. 53-56 (2003); http://xxx.lanl.gov/abs/cond-mat/0209113 37. Yeekin Tsui, S. A. Vitkalov, M.P. Sarachik and T. M. Klapwijk “Magnetoconductivity of Insulating Silicon Inversion Layers” Phys. Rev. B 71, 033312 (2005); arXiv:cond-mat/0312218 38. Yeekin Tsui, S. A. Vitkalov, M.P. Sarachik and T. M. Klapwijk “Conductivity of Silicon Inversion Layers: comparison with and without in-plane magnetic field” Phys. Rev. B 71, 113308 (2005); arXiv:cond-mat/0406566 39. Sergey A. Vitkalov, Y. Tsui, M. P. Sarachik and T. M. Klapwijk “Magnetoconductivity of dilute 2D electron systems on a silicon surface” AIP Conference Proceedings, volume772; 27th International conference on the Physics of Semiconductors, p.435, (2004) 40. A.A.Bykov, A.K.Bakarov, A.K.Kalagin, A.I.Toropov, and S.A.Vitkalov “Radiation-induced magnetoresistance oscillations in a 2D electron gas in GaAs quantum well with AlAs/GaAs superlattices barriers”, Physica E: Low dimensional Systems and Nanostructures, v. 34, 97 (2006) 41. A. A. Bykov, Jing-qiao Zhang, Sergey Vitkalov, A. K. Kalagin, and A. K. Bakarov ”Effect of dc and ac excitations on the longitudinal resistance of a two-dimensional electron gas in highly doped GaAs quantum wells” Phys. Rev. B 72, 245307 (2005) 42.A. A. Bykov, A. V. Goran, D. R. Islamov, A. K. Bakarov, Jing-qiao Zhang, Sergey Vitkalov “Two Types of Microwave-Induced Magnetoresistance Oscillations in a 2D Electron Gas at Large Filling Factors”, arXiv:cond-mat/0603398 43. Jing-qiao Zhang, Sergey Vitkalov, Z.D. Kvon, J. C. Portal, A.Wieck “Directed electron transport through ballistic dot under microwave radiation” , Physical Review Letter , 97, 226807 (2006); arXiv:cond-mat/0504087 44. Jing-qiao Zhang, Sergey Vitkalov, A. A. Bykov, A. K. Kalagin, A. K. Bakarov “Effect of DC electric field on longitudinal resistance of two dimensional electrons in a magnetic field”, Phys. Rev. B (Rapid Communications) 75, R081305 (2007); arXiv:cond-mat/0607741 45. A. Bykov, I. V. Marchishin, A. K. Bakarov, Jing-Qiao Zhang and S. A. Vitkalov “Hall Breakdown in a Modulation-Doped GaAS/AlAs Heterostructure” JETP Letters, 85, 69 (2007) 46. A. A. Bykov, Jing-qiao, Zhang, Sergey Vitkalov, , A. K. Kalagin, A. K. Bakarov “Zero differential resistance state in a two-dimensional electron system in strong magnetic field.” Phys. Rev. Lett. V.99, 116801 (2007); arXiv:cond-mat/0703100 47. N.Romero Kalmanovitz, I.Hoxha, Y.Jin, S.A. Vitkalov, M.P. Sarachik, Ivan A. Larkin, T.M. Klapwijk "Two-Parameter Scaling of Microwave Rectification vs Microwave Power at the Boundary between Two-Dimensional Electron Systems Phys. Rev. B 77, 035415 (2008) 48. N.Romero Kalmanovitz, A. A. Bykov, S.A. Vitkalov, A. I. Toropov "Warming in systems with discrete spectrum: spectral diffusion of two dimensional electrons in magnetic field" Phys. Rev. B 78 085306 (2008) 49.N. Romero, S. Mchugh, M. P. Sarachik,S. A. Vitkalov,A. A. Bykov "Effect of parallel magnetic field on the Zero Differential Resistance State" Phys. Rev. B 78, 153311 (2008) 50. Jing Qiao Zhang, Sergey Vitkalov, A. A. Bykov, and A. I. Toropov "Nonlinear transport of 2D electrons in magnetic fields" International Journal of Modern Physics B v.23, 2689 (2009) 51. Jing Qiao Zhang, Sergey Vitkalov, and A. A. Bykov, "Nonlinear resistance of 2D electrons in crossed electric and magnetic fields" Phys. Rev. B 80, 045310 (2009) 52. Sergey Vitkalov (review article) "Nonlinear transport of 2D electrons in crossed electric and quantizing magnetic fields" International Journal of Modern Physics B v.23, 4727 (2009) 53.A. V. Goran, A. A. Bykov, A. I. Toropov and S. A. Vitkalov "Effect of electron-electron scattering on magneto-intersubband resistance oscillations of two dimensional electrons in GaAs quantum well" Phys. Rev. B 80, 193305 (2009) 54. A. A. Bykov, A. V. Goran, and S. A. Vitkalov "Interference of magneto-intersubband and phonon-induced resistance oscillations in single GaAs quantum wells with two populated subbands" Phys. Rev. B 81, 155322 (2010)