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Colossal negative thermal expansion with an extended temperature interval covering room temperature in fine-powdered Mn0.98CoGe

文献类型：期刊论文

作者Lin, Jianchao1; Tong, Peng1; Zhang, Kui1; Tong, Haiyun1; Guo, Xinge1; Yang, Cheng1; Wu, Ying1; Wang, Meng1; Lin, Shuai1; Chen, Li1
刊名APPLIED PHYSICS LETTERS
出版日期2016-12-12
卷号109期号:24页码:241903
DOI10.1063/1.4972234
文献子类Article
英文摘要MnM'X (M' = Co, Ni; X = Ge, Si, etc.) alloys usually present a large volumetric change during the Martensitic (MA) transformation. This offers a great opportunity for exploring new negative thermal expansion (NTE) materials if the temperature interval of NTE can be extended. Here, we report colossal NTE in fine-powdered Mn0.98CoGe prepared by repeated thermal cycling (TC) through the MA transition or ball milling. Both treatments can expand the MA transformation, and thus broaden the NTE temperature window (Delta T). For the powders that have gone through TC for ten times, Delta T reaches 90K (309 K-399 K), and the linear expansion coefficient (alpha(L)) is about -141 ppm/K, which rank among the largest values of colossal NTE materials. The difference between two kinds of treatments and the possible mechanisms of the extended MA transformation window are discussed based on the introduced strain. Published by AIP Publishing.
WOS关键词BRAGG GRATINGS ; COMPOSITES ; SUBSTRATE ; EPOXY
WOS研究方向Physics
语种英语
WOS记录号WOS:000391457500012
资助机构National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; National Natural Science Foundation of China (NSFC)(51322105 ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22027]  
专题合肥物质科学研究院_中科院固体物理研究所
合肥物质科学研究院_中科院强磁场科学中心
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
2.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China
3.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Lin, Jianchao,Tong, Peng,Zhang, Kui,et al. Colossal negative thermal expansion with an extended temperature interval covering room temperature in fine-powdered Mn0.98CoGe[J]. APPLIED PHYSICS LETTERS,2016,109(24):241903.
APA Lin, Jianchao.,Tong, Peng.,Zhang, Kui.,Tong, Haiyun.,Guo, Xinge.,...&Sun, Yuping.(2016).Colossal negative thermal expansion with an extended temperature interval covering room temperature in fine-powdered Mn0.98CoGe.APPLIED PHYSICS LETTERS,109(24),241903.
MLA Lin, Jianchao,et al."Colossal negative thermal expansion with an extended temperature interval covering room temperature in fine-powdered Mn0.98CoGe".APPLIED PHYSICS LETTERS 109.24(2016):241903.

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来源：合肥物质科学研究院

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