Spin transition and relaxation dynamics coupled to a crystallographic phase transition in a polymeric iron(II) spin-crossover system

被引：40

作者：

Krivokapic, Itana ^{[1
]}

Enachescu, Cristian ^{[2
]}

Bronisz, Robert ^{[3
]}

Hauser, Andreas ^{[1
]}

机构：

[1] Univ Geneva, Dept Chim Phys, CH-1211 Geneva 4, Switzerland

[2] Alexandru Ioan Cuza Univ, Dept Phys, Iasi 700506, Romania

[3] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland

来源：

CHEMICAL PHYSICS LETTERS | 2008年 / 455卷 / 4-6期

关键词：

D O I：

10.1016/j.cplett.2008.02.088

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：

The spin-crossover compound [ Fe(bbtr)(3)](ClO4)(2) (bbtr = 1,4-di(1,2,3-triazol-1-yl) butane) forms a polymeric hexagonal sheet structure. It shows an abrupt thermal spin transition with 13 K wide hysteresis around 105 K, as evidenced by single crystal optical spectroscopy. The transition temperature for the thermal high-spin -> low-spin transition on cooling as well as the relaxation kinetics just below T-c(down arrow) depend upon the history of the sample. This is typical for a nucleation and growth mechanism and domain formation. In contrast, the high-spin -> low-spin relaxation following the light-induced population of the high-spin state at low temperatures is governed by the intersystem crossing process. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：192 / 196

页数：5

共 50 条

[31] Spin-crossover in iron(ii)-Schiff base complexes [J].

Kumar, Kuppusamy Senthil ;

Bayeh, Yosef ;

Gebretsadik, Tesfay ;

Elemo, Fikre ;

Gebrezgiabher, Mamo ;

Thomas, Madhu ;

Ruben, Mario .

DALTON TRANSACTIONS, 2019, 48 (41) :15321-15337

[32] Spin-Crossover Properties of an Iron(II) Coordination Nanohoop [J].

Ojea, Maria Jose Heras ;

Van Raden, Jeff M. ;

Louie, Shayan ;

Collins, Richard ;

Pividori, Daniel ;

Cirera, Jordi ;

Meyer, Karsten ;

Jasti, Ramesh ;

Layfield, Richard A. .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2021, 60 (07) :3515-3518

[33] LOW-TEMPERATURE TUNNELING IN THE SPIN-STATE RELAXATION DYNAMICS OF IRON(III) SPIN-CROSSOVER COMPOUNDS [J].

SCHENKER, S ;

HAUSER, A .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1994, 116 (12) :5497-5498

[34] Dynamical phase transition under photo-excitation in a spin-crossover complex [J].

Moritomo, Y ;

Isobe, Y ;

Liu, XJ ;

Kawamoto, T ;

Nakamoto, A ;

Kojima, N ;

Kato, K ;

Takata, M .

JOURNAL OF LUMINESCENCE, 2004, 108 (1-4) :229-232

[35] Photoinduced phase transition of a spin-crossover complex studied with the combination of Sr and laser [J].

Takahashi, K ;

Kamada, M ;

Doi, YI ;

Fukui, K ;

Tayagaki, T ;

Tanaka, K .

SURFACE REVIEW AND LETTERS, 2002, 9 (01) :319-323

[36] Switching of spin states triggered by a phase transition: Spin-crossover properties of self-assembled iron(II) complexes with alkyl-tethered triazole ligands [J].

Fujigaya, T ;

Jiang, DL ;

Aida, T .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (48) :14690-14691

[37] Spin-State Patterning in an Iron(II) Tripodal Spin-Crossover Complex [J].

Li, Li ;

Neville, Suzanne M. ;

Craze, Alexander R. ;

Clegg, Jack K. ;

Sciortino, Natasha F. ;

Arachchige, Kasun S. Athukorala ;

Mustonen, Outi ;

Marjo, Christopher E. ;

McRae, Christopher R. ;

Kepert, Cameron J. ;

Lindoy, Leonard F. ;

Aldrich-Wright, Janice R. ;

Li, Feng .

ACS OMEGA, 2017, 2 (07) :3349-3353

[38] Spin transition in iron(II) polymeric complexes and their structure at equilibrium and metastable spin states [J].

Erenburg, SB ;

Bausk, NV ;

Lavrenova, LG ;

Mazalov, LN .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2000, 448 (1-2) :351-357

[39] Structural approach of the features of the spin crossover transition in iron(II) compounds [J].

Guionneau, P ;

Létard, JF ;

Yufit, DS ;

Chasseau, D ;

Bravic, G ;

Goeta, AE ;

Howard, JAK ;

Kahn, O .

JOURNAL OF MATERIALS CHEMISTRY, 1999, 9 (04) :985-994

[40] Multimetastability in a Spin-Crossover Compound Leading to Different High-Spin-to-Low-Spin Relaxation Dynamics [J].

Craig, Gavin A. ;

Sanchez Costa, Jose ;

Teat, Simon J. ;

Roubeau, Olivier ;

Yufit, Dmitry S. ;

Howard, Judith A. K. ;

Aromi, Guillem .

INORGANIC CHEMISTRY, 2013, 52 (12) :7203-7209

← 1 2 3 4 5 →