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Novel trigonal ZrWMoO8 structure and its transformations
Deng, XB; Tao JZ(陶举洲); Tao, JZ; Yang, XJ; Ma, H; Richardson, JW; Zhao, XH
2008
发表期刊CHEMISTRY OF MATERIALS
卷号20期号:5页码:1733-1740
通讯作者[Tao, Juzhou ; Richardson, James W., Jr.] Argonne Natl Lab, Argonne, IL USA ; [Deng, Xuebin ; Yang, Xiaojing ; Zhao, Xinhua] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China ; [Ma, Hui] Beijing Normal Univ, Anal & Test Ctr, Beijing 100875, Peoples R China ; [Tao, Juzhou] Chinese Acad Sci, Inst High Energy Phys, Expt Phys Ctr, Beijing 100049, Peoples R China
摘要We found two new trigonal polymorphs of cubic ZrWMoO8 with a negative thermal expansion property and successfully solved and refined their structures using X-ray and/or neutron powder diffraction data. The space group of low temperature trigonal ZrWMoO8 is R (3) over bar with cell parameters a = 9.8722(1) angstrom and c = 17.5455(2) angstrom, a polytype of the layered trigonal ZrMo2O8 structure. The space group of high temperature trigonal ZrWMoO8 is P (3) over bar ml, and the cell parameters are a = 5.8404(1) angstrom and c = 6.0671(2) angstrom. The thermal expansion and phase transition properties of the trigonal and cubic phases were also studied, and consistent structure-property correlation in this system was found. The phase transitions between two forms of trigonal phases and between high temperature trigonal and cubic phases are reversible first order phase transitions. Utilizing the established polymorphous phase transitions, tailorable synthesis of solid oxide materials with controllable thermal expansion property is anticipated in this family.
文章类型Article
学科领域Chemistry; Materials Science
研究领域[WOS]Chemistry ; Materials Science
DOI10.1021/cm071605y
URL查看原文
语种英语
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary
WOS记录号WOS:000253727400018
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239500
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Deng, XB,Tao JZ,Tao, JZ,et al. Novel trigonal ZrWMoO8 structure and its transformations[J]. CHEMISTRY OF MATERIALS,2008,20(5):1733-1740.
APA Deng, XB.,陶举洲.,Tao, JZ.,Yang, XJ.,Ma, H.,...&Zhao, XH.(2008).Novel trigonal ZrWMoO8 structure and its transformations.CHEMISTRY OF MATERIALS,20(5),1733-1740.
MLA Deng, XB,et al."Novel trigonal ZrWMoO8 structure and its transformations".CHEMISTRY OF MATERIALS 20.5(2008):1733-1740.
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