Relaxation experiments with synchrotron radiation

被引：0
作者：
O. Leupold
A. Bernhard
E. Gerdau
J. Jäschke
H.D. Rüter
Yu. Shvydko
H. de Waard
E.E. Alp
P. Hession
M. Hu
W. Sturhahn
J. Sutter
T. Toellner
A.I. Chumakov
J. Metge
R. Rüffer
机构：
来源：
Hyperfine Interactions | 1998年 / 113卷
关键词：
Synchrotron Radiation; Isomer Shift; Time Spectrum; Relaxation Experiment; Nuclear Forward Scattering;
D O I：
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学科分类号：
摘要：
Relaxation phenomena show up in standard energy domain Mössbauer spectra via line broadening. The evaluation of such spectra is in most cases done by adopting the stochastic theory mainly developed in the 60s and 70s. Due to the time structure and the polarization of the synchrotron radiation nuclear resonance forward scattering in the time domain gives valuable information on relaxation mechanisms. We report here mainly on Nuclear Forward Scattering (NFS) experiments investigating the paramagnetic relaxation of the Fe3+ ion in (NH)4Al0.9557Fe0.05(SO4)2·12H2O and briefly on recent investigations on charge fluctuations in Eu3S4.
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页码：81 / 95
页数：14
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