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Order-disorder phase transition coupled with torsion in tri-n-butylammonium trichloroacetate (tbat)

文献类型：期刊论文

作者Asghar, Muhammad Adnan1,2; Ji, Chengmin1; Zhou, Yuelan1; Sun, Zhihua1; Khan, Tariq1,2; Zhang, Shuquan1; Zhao, Sangen1; Luo, Junhua1
刊名Journal of materials chemistry c
出版日期2015
卷号3期号:23页码:6053-6057
ISSN号2050-7526
DOI10.1039/c5tc00989h
通讯作者Luo, junhua(jhluo@fjirsm.ac.cn)
英文摘要A novel molecular phase transition compound, tri-n-butylammonium trichloroacetate (tbat), has been successfully synthesized with a reversible phase transition at 196 k. its phase transition behaviour was confirmed by specific heat capacity and differential scanning calorimetry (dsc) measurements with a 2 k thermal hysteresis, indicating that the phase transition is a first-order one. dielectric measurements further reveal the reversible nature of the phase transition, which exhibits distinctive step-like anomalies between low and high dielectric states. moreover, temperature dependent single-crystal x-ray diffraction analyses of tbat disclose that the order-disorder transformation of the flexible tri-n-butylammonium cations and the haloacetic acids anion together with the torsion in the cations stimulate the structural phase transition. all these results open a new way to design and assemble novel phase transition materials.
WOS关键词X-RAY-DIFFRACTION ; ORGANIC FRAMEWORK ; CRYSTAL-STRUCTURE ; TWISTING MOTION ; TRIFLUOROMETHANESULFONATE ; TETRAFLUOROBORATE ; FERROELECTRICITY ; REDETERMINATION ; TRANSFORMATION ; TEMPERATURE
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Multidisciplinary ; Physics, Applied
语种英语
WOS记录号WOS:000355990400021
出版者ROYAL SOC CHEMISTRY
URI标识http://www.irgrid.ac.cn/handle/1471x/2376764
专题中国科学院大学
通讯作者Luo, Junhua
作者单位1.Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Asghar, Muhammad Adnan,Ji, Chengmin,Zhou, Yuelan,et al. Order-disorder phase transition coupled with torsion in tri-n-butylammonium trichloroacetate (tbat)[J]. Journal of materials chemistry c,2015,3(23):6053-6057.
APA Asghar, Muhammad Adnan.,Ji, Chengmin.,Zhou, Yuelan.,Sun, Zhihua.,Khan, Tariq.,...&Luo, Junhua.(2015).Order-disorder phase transition coupled with torsion in tri-n-butylammonium trichloroacetate (tbat).Journal of materials chemistry c,3(23),6053-6057.
MLA Asghar, Muhammad Adnan,et al."Order-disorder phase transition coupled with torsion in tri-n-butylammonium trichloroacetate (tbat)".Journal of materials chemistry c 3.23(2015):6053-6057.

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