Negative thermal expansion and phase transition behaviour in Ag2O

Kennedy BJ; Kubota Y; Kato K

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Negative thermal expansion and phase transition behaviour in Ag2O

机译：Ag2O中的负热膨胀和相变行为

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The structure of Ag2O has been studied between 5 and 300 K using both high resolution synchrotron X-ray and neutron powder diffraction methods. Ag2O exhibits strong negative thermal expansion below 200 K and the cell volume is only weakly temperature dependent between 200 and 300 K. There is evidence for a first order phase transition below 35 K in Ag2O and this is apparently related to displacive disorder of the Ag cations. This disorder contributes to the observed NTE. Crown Copyright (C) 2005 Published by Elsevier Ltd. All rights reserved.

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《Solid State Communications》 |2005年第3期|p. 177-180|共4页
作者
Kennedy BJ; Kubota Y; Kato K;
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作者单位

Univ Sydney, Sch Chem, Ctr Struct Chem & Biol, Sydney, NSW 2006, Australia;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
negative thermal expansion; cuprite; phase transition; silver oxide; POWDER DIFFRACTION; CRYSTAL-STRUCTURE; X-RAY; CUPRITE; OXIDE; CU2O; TEMPERATURE; FRAMEWORK;

机译：负热膨胀;铁素体;相变;氧化银;粉末衍射;晶体结构;X射线;CUPRITE;氧化物;CU2O;温度;框架;

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Negative thermal expansion and phase transition behaviour in Ag2O

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