SiC天然超晶格中太赫兹电致发光的布洛赫振荡特征

2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI:10.1109/IRMMW-THZ.2018.8510149

V. Sankin, A. Andrianov, A. Petrov, A. Zakhar'in, P. Shkrebiy, S. Nagalyuk

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引用次数: 0

摘要

报道了沿自然超晶格轴方向施加强电场作用下8H-、6H-和4H-SiC自然超晶格(NSL)的太赫兹电致发光的研究结果。结果表明，太赫兹波发射的阈值场和负差分电导率的阈值场随微带宽度的增加呈线性增加。这一观察结果是支持太赫兹电致发光的BO性质和这些SiC nsl的负差分电导率的关键因素。

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Bloch Oscillations Signature of THz Electroluminescence from SiC Natural Superlattices

Results of the study of the terahertz electroluminescence from 8H-, 6H- and 4H-SiC natural superlattices (NSL) under action of strong electrical field applied along the natural superlattice axis are reported. It is shown that the threshold field of the appearance of THz BO emission and the threshold field for the negative differential conductivity for these SiC NSLs increase linearly with the width of the first miniband of these NSLs. This observation is a crucial factor in support of the BO nature of the terahertz electroluminescence and the negative differential conductivity for these SiC NSLs.

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2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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