摘要
Multifunctional materials that display different physical properties in a single phase can be utilized in multifunctional devices that are capable of performing more than one task simultaneously. In this study, we synthesized a novel multiple phase transition charge transfer salt [4′-tBu-BzPy][Ni(mnt)2] (4′-tBu-BzPy+ = 4′-tert-butylbenzyl-pyridinium, mnt2- = maleonitriledithiolate) by incorporating a tert-butyl group to control the rotational dynamics in the crystal and to pre-program the amphidynamic [Ni(mnt)2]- magnetic lattice. This salt experienced a two-step structural transformation to give three separate high, immediate and low temperature phases. Interestingly, two structural transformations were coupled to both hysteretic magnetic phase transitions at 187/192 K and 94/96 K, and to dielectric anomalies. These results will assist the design and preparation of novel multiple phase-transition materials harboring technologically important magnetic and dielectric properties.
源语言 | 英语 |
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页(从-至) | 7906-7915 |
页数 | 10 |
期刊 | Journal of Materials Chemistry C |
卷 | 3 |
期 | 30 |
DOI | |
出版状态 | 已出版 - 14 8月 2015 |