Spin-Cyclotron Resonance in n-Type Indium Antimonide at Low Temperatures

IF 1 4区化学 Q4 SPECTROSCOPY

Journal of Applied Spectroscopy Pub Date : 2025-09-11 DOI:10.1007/s10812-025-01969-z

N. A. Poklonski, A. N. Dzeraviaha, S. A. Vyrko, A. I. Kovalev

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Abstract

An interpretation of known experimental data on magnetic resonance measurements in tellurium-doped n-type indium antimonide crystals with compensation ratio K ≈ 0.1 of tellurium (hydrogen-like donors) by zinc (hydrogenlike acceptors) at 10 MHz frequency in a quantizing external magnetic field with induction from 0.17 to 1.70 T at liquid-helium temperature is proposed. It is revealed that the observed resonance is caused by the absorption of energy quanta of radio-frequency (10 MHz) radiation by c-band electrons. The electron transition between adjacent Landau levels is mediated by the electric component of the radio wave, while transitions between Zeeman sublevels are driven by its magnetic component. The number of absorbed radio-frequency quanta at resonance increases from 3.9∙10⁴ to 1.6∙10⁵ with c-band electron concentrations from 6∙10¹⁵ to 5∙10¹⁸ cm^–3 at an approximately constant compensation ratio. Calculations show that the width of the magnetic resonance lines (from peak to peak of the first derivative of the radio-wave absorption signal with respect to the external magnetic field) is determined by fluctuations in the potential energy of electrons in the crystals due to their doping and compensation.

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低温下n型锑化铟的自旋回旋共振

提出了在液氦温度下，在感应强度为0.17 ~ 1.70 T的量子化外磁场下，以10 MHz频率，锌（类氢受体）对补偿比为K≈0.1的碲（类氢供体）掺杂n型锑化铟晶体的磁共振测量的已知实验数据的解释。结果表明，所观察到的共振是由c波段电子吸收射频（10mhz）辐射的能量量子引起的。相邻朗道能级之间的电子跃迁是由无线电波的电成分介导的，而塞曼亚能级之间的跃迁是由其磁成分驱动的。共振处吸收的射频量子数从3.9∙104增加到1.6∙105，c波段电子浓度从6∙1015增加到5∙1018 cm-3，补偿比近似恒定。计算表明，磁共振线的宽度（无线电波吸收信号相对于外部磁场的一阶导数的峰到峰）是由晶体中由于掺杂和补偿而产生的电子势能波动决定的。

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

Journal of Applied Spectroscopy SPECTROSCOPY-

CiteScore

1.30

自引率

14.30%

发文量

145

审稿时长

2.5 months

期刊介绍： Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.