Non-classical Fe-II spin-crossover behaviour leading to an unprecedented extremely large apparent thermal hysteresis of 270 K: Application for displays

被引：145

作者：

Garcia, Y ^{[1
]}

vanKoningsbruggen, PJ ^{[1
]}

Codjovi, E ^{[1
]}

Lapouyade, R ^{[1
]}

Kahn, O ^{[1
]}

Rabardel, L ^{[1
]}

机构：

[1] INST CHIM MAT CONDENSEE BORDEAUX, LAB SCI MOL, CNRS, UPR 9048, F-33608 PESSAC, FRANCE

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1997年 / 7卷 / 06期

关键词：

D O I：

10.1039/a701242j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

[Fe(hyetrz)(3)](anion)(2) . 3H(2)O [hyetrz=4-(2'-hydroxyethyl)-1,2,4-triazole, anion=3-nitrophenylsulfonate] is a novel linear polynuclear Fe-II spin-crossover compound. The low-spin to high-spin transition accompanied by a pronounced thermochromic effect occurs at 370 K in a very abrupt way. Just before this temperature, the three non-coordinated water molecules are removed. The dehydrated high-spin form remains stable down to ca. 100 K, where it transforms into a new low-spin form, implying that this material shows an apparent thermal hysteresis width of 270 K. Applications of this material are discussed.

引用

页码：857 / 858

页数：2

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