Electronic origin of negative thermal expansion in V2OPO4

被引：5

作者：

Pachoud, Elise ^{[1
,2
]}

Cumby, James ^{[1
,2
]}

Wright, Jon ^{[3
]}

Raguz, Branimir ^{[4
]}

Glaum, Robert ^{[4
]}

Attfield, J. Paul ^{[1
,2
]}

机构：

[1] Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh, Midlothian, Scotland

[2] Univ Edinburgh, Sch Chem, Edinburgh, Midlothian, Scotland

[3] European Synchrotron Radiat Facil, Grenoble, France

[4] Univ Bonn, Inst Anorgan Chem, Bonn, Germany

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 48期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1039/d0cc01920h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Negative volume expansion between 620 and 800 K in V(2)OPO(4)is discovered to be of electronic origin due to the charge ordering transition at 605 K. Domain reorientation and coexistence of the low and high temperature phases close to the transition are observed in X-ray diffraction data from single crystals grown by chemical vapour transport.

引用

页码：6523 / 6526

页数：4

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