DYNAMIC SPIN CROSSOVER IN [FE(2-BIK)3](CLO4)2 AND [FE(ME22-BIK)3](BF4)2 INVESTIGATED BY MOSSBAUER-SPECTROSCOPY

被引:20
作者
BOUSSEKSOU, A [1 ]
PLACE, C [1 ]
LINARES, J [1 ]
VARRET, F [1 ]
机构
[1] UNIV PARIS 05, LCBPT, CNRS, URA 400, F-75270 PARIS, FRANCE
关键词
7;
D O I
10.1016/0304-8853(92)90774-I
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Based on the results of variable temperature Fe-57 Mossbauer measurements and the analysis of the lineshape of the spectra we demonstrate that Fe(2-BIK)3 (ClO4)2 (compound 1) and Fe(Me2 2-BIK)3 (BF4)2 (compound 2) show a gradual low spin (1A1) (LS) reversible high-spin (5T2) (HS) transition with intersystem crossing rates (ISC) comparable to the time scale of rate (k(HL)) is relatively temperature-independent.
引用
收藏
页码:225 / 226
页数:2
相关论文
共 7 条
[1]   THERMODYNAMICS AND KINETICS OF SPIN STATE CONVERSION PROCESSES STUDIED BY PRESSURE DEPENDENT MOSSBAUER-SPECTROSCOPY [J].
ADLER, P ;
SPIERING, H ;
GUTLICH, P .
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1989, 50 (06) :587-597
[2]   DYNAMICS OF SPIN STATE CONVERSION PROCESSES IN THE SOLID-STATE [J].
ADLER, P ;
HAUSER, A ;
VEF, A ;
SPIERING, H ;
GUTLICH, P .
HYPERFINE INTERACTIONS, 1989, 47-8 (1-4) :343-356
[4]   STOCHASTIC THEORY OF LINE SHAPE - GENERALIZATION OF KUBO-ANDERSON MODEL [J].
BLUME, M .
PHYSICAL REVIEW, 1968, 174 (02) :351-&
[5]  
GUTLICH P, 1981, STRUCT BOND, V44, P83
[6]  
KONIG E, 1987, PROG INORG CHEM, V35, P527
[7]  
RAO CNR, 1985, INT REV PHYS CHEM, V4, P19