The spin Hall effect in semiconductors

• Grant number: 13/03450-7
• Support Opportunities: Regular Research Grants
• Start date: June 01, 2013
• End date: May 31, 2015
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Felix Guillermo Gonzalez Hernandez
• Grantee: Felix Guillermo Gonzalez Hernandez
• Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
• City of the host institution: São Paulo

Abstract

The generation of spin currents with the application of electric fields is a subject of intense research in the field of microelectronics - a new and promising research line called spintronics that can lead to important practical applications. The spin Hall effect is an effective method to control the conduction of a spin current in a electronic device using the spin-orbit coupling. In this project we propose the study of the spin Hall effect in GaAs and InAs quantum wells doped with electrons and holes. The main focus of this proposal is to optimize the structure geometry in order to increase the spin-orbit interaction with the analysis of the effects in non-magnetic semiconductors. This goal will be obtain by time-resolved Kerr effect and transport measurements. (AU)

Scientific publications

(14)

(The scientific publications listed on this page originate from the Web of Science or SciELO databases. Their authors have cited FAPESP grant or fellowship project numbers awarded to Principal Investigators or Fellowship Recipients, whether or not they are among the authors. This information is collected automatically and retrieved directly from those bibliometric databases.)

LUENGO-KOVAC, M.; MORAES, F. C. D.; FERREIRA, G. J.; RIBEIRO, A. S. L.; GUSEV, G. M.; BAKAROV, A. K.; SIH, V.; HERNANDEZ, F. G. G.. Gate control of the spin mobility through the modification of the spin-orbit interaction in two-dimensional systems. Physical Review B, v. 95, n. 24, JUN 30 2017. (13/03450-7, 15/16191-5, 09/15007-5, 14/25981-7)

HERNANDEZ, F. G. G.; GUSEV, G. M.; BAKAROV, A. K.. Resonant optical control of the electrically induced spin polarization by periodic excitation. Physical Review B, v. 90, n. 4, JUL 14 2014. (10/09880-5, 13/03450-7, 09/15007-5)

HERNANDEZ, F. G. G.; ULLAH, S.; FERREIRA, G. J.; KAWAHALA, N. M.; GUSEV, G. M.; BAKAROV, A. K.. Macroscopic transverse drift of long current-induced spin coherence in two-dimensional electron gases. Physical Review B, v. 94, n. 4, JUL 14 2016. (13/03450-7, 15/16191-5, 09/15007-5, 14/25981-7)

ALTMANN, P.; HERNANDEZ, F. G. G.; FERREIRA, G. J.; KOHDA, M.; REICHL, C.; WEGSCHEIDER, W.; SALIS, G.. Current-Controlled Spin Precession of Quasistationary Electrons in a Cubic Spin-Orbit Field. Physical Review Letters, v. 116, n. 19, MAY 9 2016. (13/03450-7, 14/25981-7)

ULLAH, S.; GUSEV, G. M.; BAKAROV, A. K.; HERNANDEZ, F. G. G.. Tailoring multilayer quantum wells for spin devices. PRAMANA-JOURNAL OF PHYSICS, v. 91, n. 3, SEP 2018. (14/25981-7, 15/16191-5, 09/15007-5, 13/03450-7)

LUENGO-KOVAC, M.; MORAES, F. C. D.; FERREIRA, G. J.; RIBEIRO, A. S. L.; GUSEV, G. M.; BAKAROV, A. K.; SIH, V.; HERNANDEZ, F. G. G.. Gate control of the spin mobility through the modification of the spin-orbit interaction in two-dimensional systems. PHYSICAL REVIEW B, v. 95, n. 24, p. 6-pg., 2017-06-30. (14/25981-7, 16/50018-1, 09/15007-5, 13/03450-7, 15/16191-5)

ULLAH, S.; FERREIRA, G. J.; GUSEV, G. M.; BAKAROV, A. K.; HERNANDEZ, F. G. G.; IOP. Macroscopic transport of a current-induced spin polarization. WAKE CONFERENCE 2021, v. 864, p. 4-pg., 2017-01-01. (09/15007-5, 14/25981-7, 13/03450-7, 15/16191-5)

KAWAHALA, N. M.; MORAES, F. C. D.; GUSEV, G. M.; BAKAROV, A. K.; HERNANDEZ, F. G. G.. Experimental analysis of the spin-orbit coupling dependence on the drift velocity of a spin packet. AIP ADVANCES, v. 10, n. 6, JUN 1 2020. (14/25981-7, 16/50018-1, 09/15007-5, 15/16191-5, 13/03450-7, 18/06142-5)

HERNANDEZ, F. G. G.; GUSEV, G. M.; BAKAROV, A. K.. Resonant optical control of the electrically induced spin polarization by periodic excitation. Physical Review B, v. 90, n. 4, p. 5-pg., 2014-07-14. (09/15007-5, 13/03450-7, 10/09880-5)

HERNANDEZ, F. G. G.; ULLAH, S.; FERREIRA, G. J.; KAWAHALA, N. M.; GUSEV, G. M.; BAKAROV, A. K.. Macroscopic transverse drift of long current-induced spin coherence in two-dimensional electron gases. PHYSICAL REVIEW B, v. 94, n. 4, p. 8-pg., 2016-07-14. (09/15007-5, 14/25981-7, 13/03450-7, 15/16191-5)

ULLAH, S.; MORAES, F. C. D.; GUSEV, G. M.; BAKAROV, A. K.; HERNANDEZ, F. G. G.. Robustness of spin polarization against temperature in multilayer structure: Triple quantum well. Journal of Applied Physics, v. 123, n. 21, JUN 7 2018. (14/25981-7, 15/16191-5, 09/15007-5, 13/03450-7)

ULLAH, S.; GUSEV, G. M.; BAKAROV, A. K.; HERNANDEZ, F. G. G.. Large anisotropic spin relaxation time of exciton bound to donor states in triple quantum wells. Journal of Applied Physics, v. 121, n. 20, MAY 28 2017. (13/03450-7, 15/16191-5, 09/15007-5, 14/25981-7)

ULLAH, S.; GUSEV, G. M.; BAKAROV, A. K.; HERNANDEZ, F. G. G.. Long-lived nanosecond spin coherence in high-mobility 2DEGs confined in double and triple quantum wells. Journal of Applied Physics, v. 119, n. 21, JUN 7 2016. (13/03450-7, 09/15007-5, 14/25981-7)

HERNANDEZ, F. G. G.; NUNES, L. M.; GUSEV, G. M.; BAKAROV, A. K.. Observation of the intrinsic spin Hall effect in a two-dimensional electron gas. Physical Review B, v. 88, n. 16, OCT 29 2013. (10/09880-5, 13/03450-7, 09/15007-5)