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题名: Giant negative thermal expansion in ultrafine-grained Mn-3(Cu1-xGex)N (x=0.5) bulk
作者: Sun, Z. H.1;  Song, X. Y.1;  Yin, F. X.2;  Sun, L. X.3;  Yuan, X. K.1;  Liu, X. M.1
通讯作者: X.Y.Song
刊名: JOURNAL OF PHYSICS D-APPLIED PHYSICS
发表日期: 2009-06-21
DOI: 10.1088/0022-3727/42/12/122004
卷: 42, 期:12, 页:40183
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 3;4
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Applied
研究领域[WOS]: Physics
英文摘要: The advanced negative thermal expansion (NTE) properties of the ultrafine-grained Mn-3(Cu1-xGex)N compound bulk have been reported. The developed preparation route has reduced the fabrication time by more than ten times in contrast to previous studies. As compared with the coarse-grained compound bulk, the NTE start temperature of the ultrafine Mn-3(Cu1-xGex)N (x = 0.5) bulk is reduced to 250 K, and the coefficient of negative thermal expansion (CNTE) reaches -23.7 x 10(-6) K-1, which is remarkably improved. It is found that the nitrogen content in the starting manganese nitride also has significant effects on the NTE start temperature, operating temperature range and CNTE.
关键词[WOS]: TEMPERATURE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000266639300004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101845
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Beijing Univ Technol, Chinese Educ Minist, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
2.Natl Inst Mat Sci, Innovat Mat Engn Lab, Tsukuba, Ibaraki 3050047, Japan
3.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Sun, Z. H.,Song, X. Y.,Yin, F. X.,et al. Giant negative thermal expansion in ultrafine-grained Mn-3(Cu1-xGex)N (x=0.5) bulk[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2009,42(12):40183.
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