Terahertz-Infrared Spectroscopy of Tm0.19 Yb0.81 B12 Dodecaboride

2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2019-09-01 DOI:10.1109/IRMMW-THz.2019.8873738

E. Zhukova, B. Gorshunov, A. Azarevich, Alexey V. Bogach, V. Filipov, N. Shitsevalova, G. Komandin, A. Muratov, Y. Aleshchenko, N. Sluchanko

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Abstract

First detailed measurements of terahertz-infrared electrodynamic response of high-quality single-crystalline Tm0.19 Yb0.81 B12 dodecaboride with dynamic charge stripes are performed at temperatures 5–300 K. Dramatic temperature changes in the dynamic conductivity spectra are observed, single-particle and collective excitations identified and their origin is discussed in terms of metal-insulator transition.

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Tm0.19 Yb0.81 B12十二硼化物的太赫兹红外光谱

在5-300 K的温度下，对高质量单晶Tm0.19 Yb0.81 B12十二硼化物的动态电荷条纹进行了太赫兹红外电动力学响应的详细测量。在动态电导率谱中观察到剧烈的温度变化，确定了单粒子和集体激发，并从金属-绝缘体转变的角度讨论了它们的起源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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