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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Jiang, Xingxing, Yang, Y.i., Molokeev M. S., Gong, Pifu, Liang, Fei, Wang, Shuaihua, Liu, Lei, Wu, Xiang, Li, Xiaodong, Li, Yanchun, Wu, Shaofan, Li, Wei, Wu, Yicheng, Lin, Zheshuai
Заглавие : Zero linear compressibility in nondense borates with a "Lu-Ban stool"-like structure
Место публикации : Adv. Mater. - 2018. - Vol. 30, Is. 32. - Ст.1801313. - ISSN 0935-9648, DOI 10.1002/adma.201801313. - ISSN 1521-4095(eISSN)
Примечания : Cited References: 28. - X.J., Y.Y., and M.M. contributed equally to this work. The authors acknowledge Zhuohong Yin for useful discussions. This work was supported by the National Scientific Foundations of China (Grant Nos. 11474292, 51702330, 11611530680, 91622118, and 91622124), Russian Foundation for Basic Research (Grant No. 17-52-53031), the Special Foundation of the Director of Technical Institute of Physics and Chemistry (TIPC), the China "863" project (No. 2015AA034203), key project of Beijing Synchrotron Radiation Facility and the Youth Innovation Promotion Association, CAS (outstanding member for Z.L. and Grant No. 2017035 for X.J.).
Предметные рубрики: MECHANICAL METAMATERIALS
PRESSURE
METABORATE
STRENGTH
Ключевые слова (''Своб.индексиров.''): borates--"lu-ban stool"-like structure--ultraviolet transparency--zero--linear compressibility
Аннотация: Discovering materials that exhibit zero linear compressibility (ZLC) behavior under hydrostatic pressure is extremely difficult. To date, only a handful of ZLC materials have been found, and almost all of them are ultrahard materials with densified structures. Here, to explore ZLC in nondense materials, a structural model analogous to the structure of the “Lu‐Ban stool,” a product of traditional Chinese woodworking invented 2500 years ago, is proposed. The application of this model to borates leads to the discovery of ZLC in AEB2O4 (AE = Ca and Sr) with the unique “Lu‐Ban stool”‐like structure, which can obtain a subtle mechanical balance between pressure‐induced expansion and contraction effects. Coupled with the very wide ultraviolet transparent windows, the ZLC behavior of AEB2O4 may result in some unique but important applications. The applications of the “Lu‐Ban stool” model open a new route for pursuing ZLC materials in nondense structural systems.
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