无序立方氧化钒在均匀区弹性性质的各向异性

IF 1.3 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

JETP Letters Pub Date : 2025-07-18 DOI:10.1134/S002136402560661X

A. I. Gusev

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引用次数: 0

摘要

首次研究了宽均匀区立方氧化钒弹性性能的各向异性。弹性常数\({{c}_{{11}}}\), \({{c}_{{12}}}\)和\({{c}_{{44}}}\)是无序立方氧化钒VOy的VO0.75-VO1.25均匀区氧含量y的函数。无序立方一氧化碳的弹性刚度常数\({{c}_{{ij}}}\)随相对氧含量y的增加而减小，弹性模量依赖于结晶方向\([hkl]\)。VOy的弹性特性随方向的巨大变化\([hkl]\)表明无序立方氧化钒的弹性特性具有很强的各向异性。根据体积模量B与剪切模量G的比值，可以认为多晶氧化钒是一种延性材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Anisotropy of the Elastic Properties of Disordered Cubic Vanadium Monoxide VOy in the Homogeneity Region

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Anisotropy of the Elastic Properties of Disordered Cubic Vanadium Monoxide VOy in the Homogeneity Region

The anisotropy of the elastic properties of cubic vanadium monoxide with a wide homogeneity region has been studied for the first time. The elastic constants \({{c}_{{11}}}\), \({{c}_{{12}}}\), and \({{c}_{{44}}}\) have been estimated as functions of the oxygen content y in the homogeneity region of VO_0.75–VO_1.25 of disordered cubic vanadium monoxide VO_y. The elastic stiffness constants \({{c}_{{ij}}}\) of disordered cubic monoxide VO_y decrease with increasing relative oxygen content y. The elastic moduli depend on the crystallographic direction \([hkl]\). Large changes in the elastic characteristics of VO_y depending on the direction \([hkl]\) indicate a strong anisotropy of the elastic properties of disordered cubic vanadium monoxide. According to the ratio of the bulk B and shear G moduli, polycrystalline vanadium monoxide can be considered as a ductile material.

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来源期刊

JETP Letters 物理-物理：综合

CiteScore

2.40

自引率

30.80%

发文量

164

审稿时长

3-6 weeks

期刊介绍： All topics of experimental and theoretical physics including gravitation, field theory, elementary particles and nuclei, plasma, nonlinear phenomena, condensed matter, superconductivity, superfluidity, lasers, and surfaces.