Spin Hall photoconductance in a three-dimensional topological insulator at room temperature

While the spin generation in topological insulators is well studied, little is known about the interaction of the spins with external stimuli. Here, Seifert et al. observe a helical, bias-dependent photoconductance at the lateral edges of topological Bi2Te2Se platelets for perpendicular incidence of...

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Autores principales: Paul Seifert, Kristina Vaklinova, Sergey Ganichev, Klaus Kern, Marko Burghard, Alexander W. Holleitner
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/7bb4cc45d8fb46ba9c3010f622cd784b
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Sumario:While the spin generation in topological insulators is well studied, little is known about the interaction of the spins with external stimuli. Here, Seifert et al. observe a helical, bias-dependent photoconductance at the lateral edges of topological Bi2Te2Se platelets for perpendicular incidence of light, distinct to common longitudinal photoconductance phenomena.