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High-energy x-ray diffraction study on phase transition asymmetry of plastic crystal neopentylglycol
Zhang, Zhe1,2; Chen, Yan-Na3; Qi, Ji1,2; Zhang, Zhao1,2; Ohara, Koji4; Sakata, Osami3,4; Zhang, Zhi-Dong1,2; Li, Bing1,2
Corresponding AuthorZhang, Zhi-Dong(zdzhang@imr.ac.cn) ; Li, Bing(bingli@imr.ac.cr)
2022-02-01
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume31Issue:3Pages:5
AbstractAs a prototype material of colossal barocaloric effects, neopentylglycol is investigated by combining high-precision differential scanning calorimetric measurement and high-energy x-ray diffraction measurement. The diffraction data at constant temperatures indicate a first-order phase transition with thermal hysteresis as well as the phase transition asymmetry, specifically, the phase transition is completed faster at cooling than at heating. The analysis of resulting pair distribution function confirms the intermolecular disorder in the high-temperature phase. The phase transition asymmetry is quantitatively characterized by time-resolved x-ray diffraction, which is in agreement with the thermal measurement. Also, such an asymmetry is observed to be suppressed at high pressures.
Keywordcolossal barocaloric effect plastic crystals phase transition asymmetry
Funding OrganizationKey Research Program of Frontier Sciences ; Chinese Academy of Sciences ; International Partner Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
DOI10.1088/1674-1056/ac140c
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Frontier Sciences ; Chinese Academy of Sciences[ZDBS-LY-JSC002] ; International Partner Program of the Chinese Academy of Sciences[174321KYSB20200008] ; National Natural Science Foundation of China[11934007] ; National Natural Science Foundation of China[11804346]
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000762498500001
PublisherIOP Publishing Ltd
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173223
Collection中国科学院金属研究所
Corresponding AuthorZhang, Zhi-Dong; Li, Bing
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab SYNL Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Natl Inst Mat Sci NIMS, Res Ctr Adv Measurement & Characterizat, Synchrotron Xray Grp, Sayo, Japan
4.Japan Synchrotron Radiat Res Inst, Ctr Synchrotron Radiat Res Inst, Diffract & Scattering Div, SPring 8, Sayo, Japan
Recommended Citation
GB/T 7714
Zhang, Zhe,Chen, Yan-Na,Qi, Ji,et al. High-energy x-ray diffraction study on phase transition asymmetry of plastic crystal neopentylglycol[J]. CHINESE PHYSICS B,2022,31(3):5.
APA Zhang, Zhe.,Chen, Yan-Na.,Qi, Ji.,Zhang, Zhao.,Ohara, Koji.,...&Li, Bing.(2022).High-energy x-ray diffraction study on phase transition asymmetry of plastic crystal neopentylglycol.CHINESE PHYSICS B,31(3),5.
MLA Zhang, Zhe,et al."High-energy x-ray diffraction study on phase transition asymmetry of plastic crystal neopentylglycol".CHINESE PHYSICS B 31.3(2022):5.
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