Spin-photogalvanic effect

Author: fqnx

August undefined, 2024

WebJun 18, 2024 · This revealed spin photogalvanic effect can generate the long-time pursued intrinsic pure spin current (PSC) in non-centrosymmetric nonmagnetic insulators. WebWe investigate the magnetic, thermoelectric transport, and photogalvanic effect (PGE) properties of two nano-devices based on sawtooth edged graphene nanoribbons (SGNRs). It is found that a robust spin-semiconducting property exists in SGNRs. When SGNRs are arranged in a configuration, a large spin Seebeck

Spin photovoltaic effect in magnetic van der Waals …

WebHere, we study the transport properties of the spin-polarized photocurrent in the flexible Ni–phosphorene–Ni photodetector, which is driven by the photogalvanic effect (PGE) under mechanical tension stress and bending. Webphotogalvanic effect is hence expected if coherent spin transport takes place on a length scale large enough for spin-polarized cur-rents to be driven through a device. We report measurements of the resulting spin-polarized photocurrents in devices made from single crystals of (CH 3NH 3)PbI 3, the most important LHP material. Results and Discussion health equity impact quality

Photogalvanic effect in silicene - ScienceDirect

WebSep 9, 2024 · Using first-principles density functional theory combined with non-equilibrium Green's function method, we investigate the spin-dependent current generated by photogalvanic effect (PGE) in photoelectric devices based on zigzag silicence nanoribbons with unsymmetrical sp 2 –sp 3 hydrogen passivated edges (H-2H ZSiNRs) and C s … WebMay 4, 2024 · For the first time, here we report on the circular photogalvanic effect (CPGE) for the oxide 2DEG. Spin polarized electrons are selectively excited by circular polarized light from the in-gap states of SrTiO 3 to 2DEG and are converted into electric current via the mechanism of spin-momentum locking arising from Rashba spin-orbit coupling ... WebOct 25, 2024 · A short phenomenological introduction is followed by the discussion of the circular photogalvanic effect, the direct and inverse … health equity in action cdc

Graphene-based nano-devices: high spin Seebeck and pure spin ...

Spin-dependent photogalvanic effects (A Review)

WebNov 7, 2024 · The photogalvanic effect can be caused by the magnetic injection current only when the linearly polarized light is applied to systems where both space inversion and time-reversal symmetries are... WebJan 17, 2024 · In the work, we demonstrate the spin-photogalvanic effect for (R-MBA)2PbI4 and (S-MBA)2PbI4 polycrystalline films based lateral devices (100 µm channel length). The light helicity dependence of ... health equity implicationsWebFeb 11, 2016 · Spin current is a key to realizing various phenomena and functionalities related to spintronics. Recently, the possibility of generating spin current through a photogalvanic effect of magnons was … Expand health equity importance

"WebThe pure spin current and fully spin-polarized current induced by the photogalvanic effect and spin-Seebeck effect in halogen-decorated phosphorene† Zibin Zheng,a Lin Zhu, *a … " - Spin-photogalvanic effect

Spin-photogalvanic effect

Laser-Driven Multiferroics and Ultrafast Spin Current Generation.

Web2 Spin-photogalvanic effect in chiral lead halide perovskites. 来源：NANOSCALE( P 2040-3364 E 2040-3372 ) 发表时间: 2024/01 ... 3 Spin dependent polaron pair dissociation at charge transfer states enables low driving force for non.. 来源：APPL PHYS LETT( P 0003-6951 E 1077-3118 ) 发表时间: 2024/06. WebFabrication and analysis of halide perovskite nanocrystals: Measurements of properties such as optical conductivity (laser excitation), using methods such as CPGE (circular photogalvanic effect ...

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WebHere, we investigate the tunable circular photoelectric responses in 2D Te field-effect transistors with different chirality, including the longitudinal circular photogalvanic effect …

WebSep 1, 2024 · Here, we report spin photovoltaic effects in vdW heterostructures of 2D magnet chromium triiodide (CrI 3) sandwiched by graphene contacts. The photocurrent … WebNov 7, 2024 · Photogalvanic effect induced fully spin polarized current and pure spin current in zigzag SiC nanoribbons Using nonequilibrium Green's function combined with density …

WebApr 16, 2024 · The short timescale spin dynamics in antiferromagnets is an attractive feature from the standpoint of ultrafast spintronics. Yet generating highly polarized spin currents at room temperature remains a fundamental challenge for antiferromagnets. We propose a spin circular photogalvanic effect (spin-CPGE), in which circularly polarized … WebJul 18, 2024 · The photogalvanic effect (PGE) occurring in noncentrosymmetric materials enables the generation of a dc photocurrent at zero bias with a high polarization sensitivity, which makes it very attractive in photodetection.

WebSep 6, 2024 · Spin photogalvanic effect (SPGE) is an efficient method to generate a spin current by photoexcitation in a contactless and ultra-fast way. In two-dimensional (2D) …

WebThe pure spin current and fully spin-polarized current induced by the photogalvanic effect and spin-Seebeck effect in halogen-decorated phosphorene† Zibin Zheng,a Lin Zhu, *a Zenglin Cao,a Xiaohui Guo,a Yin Wangb and Kailun Yaoa Author affiliations gonna be a big sister t shirtWebJan 25, 2007 · We study the spin photogalvanic effect in a two-dimensional electron system with structure-inversion asymmetry by means of solution of the semiconductor optical Bloch equations. It is shown that linearly polarized light may inject a pure spin current into spin-splitting conduction bands due to Rashba spin-orbit coupling, while circularly polarized … gonna be a cool nightWebApr 16, 2024 · We propose a spin circular photogalvanic effect (spin-CPGE), in which circularly polarized light can produce a spin current without net charge current at room … gonna be a bright sunshiny day lyricsWebJun 18, 2024 · This revealed spin photogalvanic effect can generate the long-time pursued intrinsic pure spin current (PSC) in non-centrosymmetric nonmagnetic insulators. Different from the spin and valley Hall ... health equity in americaWebJan 23, 2024 · When excited carriers also have net in-plane momentum, spin-polarized photocurrents can be generated at ambient temperature without magnetic fields or materials. The behavior of these spin-polarized photocurrents in monolayer TMDC remains largely unexplored. healthequity inc. fsaWebIn the circular photogalvanic effect (CPGE), the polarity and magnitude of photocurrents can be controlled by the chirality of elliptically polarized optical excitation ( Pcirc) in a certain class of materials known as gyrotropic media. healthequity inc loginWebApr 14, 2024 · We report on spin ratchet currents driven by terahertz radiation electric fields in a Co/Pt magnetic metamaterial formed by triangle-shaped holes forming an antidot lattice and subjected to an external magnetic field applied perpendicularly to the metal film plane. We show that for a radiation wavelength substantially larger than the period of the … healthequity inc ein