Detectors of Circularly Polarized Radiation Based on Semiconductor Heterostructures with a CoPt Schottky Barrier


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Abstract

Abstract—In this paper, we showed the possibility of practical realization of circularly polarized radiation detectors based on a planar photoresistor using the effect of magnetocircular dichroism in the CoPt layer, as well as based on structures using the spin filtration by the CoPt layer of photogenerated spin-polarized charge carriers. The spin filtration process is established to allow increasing the detection efficiency of up to 1.3%.

About the authors

A. V. Kudrin

Research Institute of Physics and Technology, Nizhny Novgorod State University; Nizhny Novgorod State University

Author for correspondence.
Email: kudrin@nifti.unn.ru
Russian Federation, Nizhny Novgorod, 603022; Nizhny Novgorod, 603950

A. V. Zdoroveyshchev

Research Institute of Physics and Technology, Nizhny Novgorod State University; Nizhny Novgorod State University

Email: kudrin@nifti.unn.ru
Russian Federation, Nizhny Novgorod, 603022; Nizhny Novgorod, 603950

O. V. Vikhrova

Research Institute of Physics and Technology, Nizhny Novgorod State University

Email: kudrin@nifti.unn.ru
Russian Federation, Nizhny Novgorod, 603022

M. V. Dorokhin

Research Institute of Physics and Technology, Nizhny Novgorod State University; Nizhny Novgorod State University

Email: kudrin@nifti.unn.ru
Russian Federation, Nizhny Novgorod, 603022; Nizhny Novgorod, 603950

I. L. Kalent’eva

Research Institute of Physics and Technology, Nizhny Novgorod State University

Email: kudrin@nifti.unn.ru
Russian Federation, Nizhny Novgorod, 603022

P. B. Demina

Research Institute of Physics and Technology, Nizhny Novgorod State University

Email: kudrin@nifti.unn.ru
Russian Federation, Nizhny Novgorod, 603022

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