Thermochromism and thermal crystal structure evolution of YIn0.9Mn0.1O3

IF 1.5 4区物理与天体物理 Q3 PHYSICS, APPLIED

Japanese Journal of Applied Physics Pub Date : 2023-12-21 DOI:10.35848/1347-4065/ad17e0

Masaya Oshita, H. Murata, Isaac Oda-Bayliss, Wencong Wang, Shunsuke Yagi, Kenta Kimura

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引用次数: 0

Abstract

YIn1-x Mn x O3 is a newly discovered inorganic blue pigment whose vivid blue color results from MnO5 trigonal bipyramidal (TBP) polyhedra. Recently, it has been reported that commercial YIn1-x Mn x O3 powders exhibit a temperature-induced color change, i.e., thermochromism. In this study, we investigate the thermochromism and temperature-induced crystal structure evolution of synthetic YIn0.9Mn0.1O3 powders. We observe that a vivid blue color at room temperature is gradually changed to a dark blue color with increasing temperature. This thermochromism is mainly attributed to a broadening of optical absorption bands in the visible and UV regions, and can also be contributed by an enhancement of the UV absorption. Our crystal structure analysis using powder synchrotron X-ray diffraction data not only confirms the thermal expansion and enhanced thermal vibrations of oxygen, but also reveals a temperature-induced deformation of the TBP polyhedra. Based on these results, we discuss a possible mechanism for the thermochromism of the YIn0.9Mn0.1O3 system.

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YIn0.9Mn0.1O3 的热致变色和热晶体结构演化

YIn1-x Mn x O3 是一种新发现的无机蓝色颜料，其鲜艳的蓝色源于 MnO5 三叉双锥体（TBP）多面体。最近有报道称，商用 YIn1-x Mn x O3 粉末表现出温度诱导的颜色变化，即热致变色。在本研究中，我们研究了合成 YIn0.9Mn0.1O3 粉末的热致变色和温度诱导的晶体结构演变。我们观察到，随着温度的升高，室温下鲜艳的蓝色逐渐转变为深蓝色。这种热致变色现象主要归因于可见光和紫外光区域的光学吸收带变宽，也可能是紫外光吸收增强的结果。我们利用粉末同步辐射 X 射线衍射数据进行的晶体结构分析不仅证实了氧的热膨胀和热振动增强，还揭示了温度引起的 TBP 多面体变形。基于这些结果，我们讨论了 YIn0.9Mn0.1O3 系统热致变色的可能机制。

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

Japanese Journal of Applied Physics 物理-物理：应用

CiteScore

3.00

自引率

26.70%

发文量

818

审稿时长

3.5 months

期刊介绍： The Japanese Journal of Applied Physics (JJAP) is an international journal for the advancement and dissemination of knowledge in all fields of applied physics. JJAP is a sister journal of the Applied Physics Express (APEX) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP). JJAP publishes articles that significantly contribute to the advancements in the applications of physical principles as well as in the understanding of physics in view of particular applications in mind. Subjects covered by JJAP include the following fields: • Semiconductors, dielectrics, and organic materials • Photonics, quantum electronics, optics, and spectroscopy • Spintronics, superconductivity, and strongly correlated materials • Device physics including quantum information processing • Physics-based circuits and systems • Nanoscale science and technology • Crystal growth, surfaces, interfaces, thin films, and bulk materials • Plasmas, applied atomic and molecular physics, and applied nuclear physics • Device processing, fabrication and measurement technologies, and instrumentation • Cross-disciplinary areas such as bioelectronics/photonics, biosensing, environmental/energy technologies, and MEMS