Optical manipulation of rashba
WebSep 20, 2024 · Rashba spin splitting due to spin-orbit coupling in the asymmetrical 2D ferroelectricity MTe (M = Ge, Sn, Pb) has provided a promising arena for achieving an ultra-high power factor to improve... WebApr 5, 2014 · The Rashba effect is the spin energy level splitting due to broken inversion symmetry and spin–orbit coupling, and the controllability of Rashba splitting is crucial to spin manipulation. Here, we report a theoretical investigation of Rashba band splitting in ferroelectric halide perovskite materials. Since the polarization direction in ...
Optical manipulation of rashba
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WebMay 20, 2024 · Optical manipulation of the Rashba effect in germanium quantum wells. The Rashba effect in Ge/Si [Math Processing Error] Ge [Math Processing Error] multiple … WebJun 2, 2024 · Optical manipulation of Rashba-split 2-dimensional electron gas M. Michiardi, F. Boschini, H.-H. Kung, M. X. Na, S. K. Y. Dufresne, A. Currie, G. Levy, S. Zhdanovich, A. K. Mills, D. J. Jones, J....
WebCoherent electron spin dynamics in 10-nm-wide InGaAs/InAlAs quantum wells is studied from 10 K to room temperature using time-resolved Kerr rotation. The spin lifetime exceeds 1 ns at 10 K and decreases with temperature. By varying the spatial overlap between pump and probe pulses, a diffusive velocity is imprinted on the measured electron spins and a …
WebJun 2, 2024 · To explore the optical manipulation of a material's spin properties, we consider the Rashba effect. Using time- and angle-resolved photoemission spectroscopy (TR … WebRashba effect in the centrosymmetric MTe structure and explored how the Te off-centering behavior affects the thermo-electric properties from rst-principles. We showed that the …
WebMar 8, 2024 · To date, research has mainly focused on the optical injection of spin currents through the photogalvanic effect, and little is known about optical control of spin-gates. To explore the possibility of all-optical manipulation of the material's spin properties, we consider the Rashba effect that manifests at semiconductors' interfaces.
WebSep 19, 2024 · In article number 2201082, Simone Rossi, Fabio Pezzoli and co-workers present an all-optical approach to engineer the strength of the so-called Rashba effect emerging in biased germanium quantum wells.Their results demonstrate that the spin–orbit interaction can be modified through optical pumping, eventually changing the spin … inclusion\\u0027s czhttp://maxim.ece.illinois.edu/pubs/raginsky_kumar_JOpB01.pdf inclusion\\u0027s egWebAug 3, 2024 · Optical Rashba effect in a monolithic light-emitting perovskite metasurface. The Rashba effect, i.e., the splitting of electronic spin-polarized bands in the momentum … inclusion\\u0027s efWebApr 3, 2024 · It is found that the intrinsic out-of-plane electric field due to the mirror symmetry breaking induces the large Rashba spin splitting around the Γ point, which, however, can be easily tuned by applying the in-plane biaxial strain. inclusion\\u0027s ecWebAug 3, 2024 · The Rashba effect has long been a staple in the field of spintronics owing to its superior tunability, which allows the observation of fully spin-dependent phenomena, such as the spin-Hall... inclusion\\u0027s f2WebTo explore the optical manipulation of a material's spin properties, we consider the Rashba effect. Using time- and angle-resolved photoemission spectroscopy (TR-ARPES), we demonstrate that an optical excitation can tune the Rashba-induced spin splitting of a two-dimensional electron gas at the surface of Bi 2 Se 3. inclusion\\u0027s fWebMay 20, 2024 · Optical manipulation of the Rashba effect in germanium quantum wells. The Rashba effect in Ge/Si [Math Processing Error] Ge [Math Processing Error] multiple quantum wells embedded in a p-i-n diode is studied through polarization and time-resolved photoluminescence. In addition to a sizeable redshift arising from the quantum-confined … inclusion\\u0027s eh