Impact of single crystal properties on nucleation and growth mechanisms of a spin transition

被引：7

作者：

Bedoui, Salma ^{[1
]}

Nicolazzi, William ^{[2
,3
]}

Zheng, Sipeng ^{[4
]}

Bonnet, Sylvestre ^{[4
]}

Molnar, Gabor ^{[2
,3
]}

Bousseksou, Azzedine ^{[2
,3
]}

机构：

[1] Monastir Univ, Fac Sci, Microoptoelect & Nanostruct Lab, Monastir 5019, Tunisia

[2] CNRS, UPR 8241, Lab Chim Coordinat, F-31077 Toulouse, France

[3] Univ Toulouse, UPS, INPT, F-31077 Toulouse, France

[4] Leiden Univ, Leiden Inst Chem, NL-2300 RA Leiden, Netherlands

来源：

POLYHEDRON | 2015年 / 87卷

关键词：

Optical microscopy; Single crystals; Micro-structural defects; Spin transition; Nucleation and growth;

D O I：

10.1016/j.poly.2014.12.010

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We have investigated the spatio-temporal development of the spin transition in different single crystals of the molecular complex [Fe(bapby)(NCS)(2)] using optical microscopy. The thermal spin transition proceeds by nucleation at macroscopic defects, followed in most cases by anisotropic growth. We show that a lower crystalline quality leads to multi-site nucleation and intermittent spin transitions. We conclude that each crystal of a same spin crossover complex can have its proper spin transition kinetics depending on its crystalline properties and intrinsic microstructure. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：411 / 416

页数：6

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