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Giant room-temperature barocaloric effect at the electronic phase transition in Ni1-xFexS
Lin, Jianchao1; Tong, Peng1; Zhang, Xuekai1; Wang, Zichen1; Zhang, Zhao2,3; Li, Bing2,3; Zhong, Guohua4; Chen, Jie5; Wu, Yaoda5; Lu, Huaile5; He, Lunhua5; Bai, Bo5; Ling, Langsheng6; Song, Wenhai1; Zhang, Zhidong2,3; Sun, Yuping1,6
Corresponding AuthorTong, Peng(tongpeng@issp.ac.cn) ; Li, Bing(bingli@imr.ac.cn) ; Zhong, Guohua(gh.zhong@siat.ac.cn)
2020-10-01
Source PublicationMATERIALS HORIZONS
ISSN2051-6347
Volume7Issue:10Pages:2690-2695
AbstractBarocaloric (BC) materials are a type of promising solid-state refrigerant that can be used in future refrigerators. Besides the routine pressure-driven lattice entropy change, spin or polar degrees of freedom often make considerable contributions. Relatively, little attention has been paid to the electronic contribution. Here we demonstrate a sizable electronic entropy change under pressure in hexagonal Ni1-xFexS due to the remarkable modification of its electronic structure. Accordingly, the total entropy change reaches 52.8 J kg(-1)K(-1)under only 100 MPa, which places Ni1-xFexS among the giant BC materials. Again, because of the electronic contribution, the thermal conductivity of Ni1-xFexS is higher than the reported values of other giant BC materials, which can boost the cooling efficiency. Our work would inspire the study of the giant BC effect with good thermal conductance in a wide range of electronic phase transition materials.
Funding OrganizationChinese Academy of Sciences (CAS) ; National Natural Science Foundation of China ; Users with Excellence Program of Hefei Science Center CAS ; CAS ; Basic Research Program of Shenzhen
DOI10.1039/c9mh01976f
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences (CAS)[QYZDB-SSW-SLH015] ; National Natural Science Foundation of China[U1932127] ; Users with Excellence Program of Hefei Science Center CAS[2019HSC-UE008] ; CAS ; Basic Research Program of Shenzhen[JCYJ20170818153404696]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000575959700011
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140807
Collection中国科学院金属研究所
Corresponding AuthorTong, Peng; Li, Bing; Zhong, Guohua
Affiliation1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
4.Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China
5.Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China
6.Chinese Acad Sci, Anhui Prov Key Lab Condensed Matter Phys Extreme, High Magnet Field Lab, Hefei 230031, Peoples R China
Recommended Citation
GB/T 7714
Lin, Jianchao,Tong, Peng,Zhang, Xuekai,et al. Giant room-temperature barocaloric effect at the electronic phase transition in Ni1-xFexS[J]. MATERIALS HORIZONS,2020,7(10):2690-2695.
APA Lin, Jianchao.,Tong, Peng.,Zhang, Xuekai.,Wang, Zichen.,Zhang, Zhao.,...&Sun, Yuping.(2020).Giant room-temperature barocaloric effect at the electronic phase transition in Ni1-xFexS.MATERIALS HORIZONS,7(10),2690-2695.
MLA Lin, Jianchao,et al."Giant room-temperature barocaloric effect at the electronic phase transition in Ni1-xFexS".MATERIALS HORIZONS 7.10(2020):2690-2695.
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