Magnetic tuning of the photovoltaic effect in silicon-based Schottky junctions.

Wang, Shuanhu; Wang, Wenxin; Zou, Lvkuan; Zhang, Xu; Cai, Jianwang; Sun, Zhigang; Shen, Baogen; Sun, Jirong · Adv Mater · 2014

basic_science · Level V

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Abstract

A magnetic tuning of the photovoltaic effect is demonstrated for the Schottky junction formed by a ferromagnetic (FM) layer and silicon. Obvious anisotropic magnetic photovoltaic effects (AMV) are gained not only in the FM layer but also in the Si substrate though the latter is non-magnetic. Key factors determining the AMV of Si are identified.