Time-domain terahertz spectroscopy of spin state transition in [Fe(NH2-trz)3]2+ spin crossover compounds

被引：12
|
作者：
Viquerat, B. [1 ]
Degert, J. [1 ]
Tondusson, M. [1 ]
Freysz, E. [1 ]
Mauriac, C. [2 ]
Letard, J. F. [2 ]
机构：
[1] Univ Bordeaux, LOMA, CNRS, UMR 5798, F-33400 Talence, France
[2] Univ Bordeaux, CNRS, ICMCB, UPR 9048, F-33600 Pessac, France
来源：
APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 06期
关键词：
MOLECULAR MATERIALS; IRON(II) COMPLEXES; SPECTRA;
D O I：
10.1063/1.3624600
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have measured the evolution of the THz spectrum of iron(II) spin crossover compounds within the low-spin/high-spin thermal hysteresis loop in the 0.6-6 THz frequency range. This study enabled to follow both the variations of the refractive optical index and absorption during the spin state transition. Marked absorptions centered similar to 2-3 THz and similar to 5 THz shifting with the spin state are revealed. Our work provides a means to store optically information and to read it out in the THz domain and also offers indications about the structural evolution occurring during the spin state transition. (C) 2011 American Institute of Physics. [doi:10.1063/1.3624600]
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页数：3
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