[C 7 H 14 NO][ClO 4 ]: order–disorder structural change induced sudden switchable dielectric behaviour at room temperature

An organic–inorganic hybrid compound, [ N -oqc]ClO 4 ( 1 , N -oqc = N -oxy-quinuclidine cation), was synthesized and characterized. Its structure is defined by the zero-dimensional structure built from the [ N -oqc]ClO 4 units from end to end. The crystal structure and dielectric constant measuremen...

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Bibliographic Details
Published inCrystEngComm Vol. 20; no. 44; pp. 7058 - 7061
Main Authors Fan, Guang-Meng, Gao, Ji-Xing, Shi, Chao, Yu, Hui, Ye, Le, Jiang, Jia-Ying, Shuai, Cijun, Zhang, Yi, Ye, Heng-Yun
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 2018
Subjects
Crystal structure
Crystallography
Infrared radiation
Phase transitions
Room temperature
Structural analysis
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Summary:An organic–inorganic hybrid compound, [ N -oqc]ClO 4 ( 1 , N -oqc = N -oxy-quinuclidine cation), was synthesized and characterized. Its structure is defined by the zero-dimensional structure built from the [ N -oqc]ClO 4 units from end to end. The crystal structure and dielectric constant measurements reveal that 1 undergoes reversible phase transitions at 342/300 K (heating/cooling). The order–disorder motion of [ N -oqc] + and ClO 4 − are the origin of the static-to-dynamic transition. Notably, there are sudden dielectric switches between high- and low-dielectric states, making it a new switchable dielectric material.
ISSN:1466-8033
1466-8033
DOI:10.1039/C8CE01461B