层状MnGaInSe4单晶在交变电场中的介电特性

IF 1.1 Q4 ELECTROCHEMISTRY Surface Engineering and Applied Electrochemistry Pub Date : 2023-10-17 DOI:10.3103/S1068375523050137

N. N. Niftiev, A. O. Dashdemirov, F. M. Mamedov, M. B. Muradov

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引用次数: 0

摘要

本文给出了MnGaInSe4单晶在交变电场中介电损耗正切和介电常数实部和虚部的频率和温度依赖性的研究结果。在8×103–3×105 Hz的频率范围内，MnGaInSe4单晶的主要介电损耗类型被确定为电导率损耗，而电导率的特征是区域跳跃机制。测定了单晶载流子的活化能。发现介电常数的实部和虚部经历显著的色散，这具有弛豫性质。

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Dielectric Properties of Layered MnGaInSe4 Single Crystals in an Alternating Electric Field

In this paper we present the results of studies into the frequency and temperature dependences of the dielectric loss tangent and the real and imaginary parts of the permittivity in MnGaInSe₄ single crystals in an alternating electric field. The main type of dielectric losses in MnGaInSe₄ single crystals in the frequency range of 8 × 10³–3 × 10⁵ Hz is established to be electrical conductivity losses, while the conductivity is characterized by the zone-hopping mechanism. The activation energies of current carriers of single crystals are determined. The real and imaginary parts of the permittivity are found to undergo significant dispersion, which is of a relaxation nature.

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来源期刊

Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering

CiteScore

1.70

自引率

22.20%

发文量

审稿时长

6 months

期刊介绍： Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.