Search on multi-functional properties of spin-crossover system

被引：9

作者：

Kojima, N ^{[1
]}

Toyazaki, S

Itoi, M

Ono, Y

Aoki, W

Kobayashi, Y

Seto, M

Yokoyama, T

机构：

[1] Univ Tokyo, Grad Sch Arts & Sci, Dept Basic Sci, Tokyo 1538902, Japan

[2] Kyoto Univ, Inst Res Reactor, Osaka 5900494, Japan

[3] Univ Tokyo, Dept Chem, Grad Sch Sci, Tokyo 1130033, Japan

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2002年 / 376卷

关键词：

spin crossover; ferromagnetism; mixed-valence; charge transfer phase transition; fastener effect;

D O I：

10.1080/713738447

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We have investigated the spin-crossover behavior for one-dimensional complexes [Fe(trz)(3)](RSO3)(2)(trz= triazole) and two-dimensional mixed-valence complexes (CnH2n+1)(4)N[(FeFeIII)-Fe-II(dto)(3)] (dto= C2O2S2). For the case of [Fe(4-NH(2)trz)(3)](RSO3)(2), we have controlled Tc and the thermal hysteresis width of spin transition by using the isomerization of counter anion or the fastener effect between the alkyl chains of counter anions CnH2n+1SO3-. Moreover, we have synthesized a [Fe(Htrz)(3)] film by using an ion-exchange film having SO3-, which shows the spin transition around room temperature. For the case of (CnH2n+1)(4)N[(FeFeIII)-Fe-II(dto)(3)](n = 3,4), we have found a charge transfer phase transition between Fe-II and Fe-III around 120 K.

引用

页码：567 / 574

页数：8

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