RELAXATION EXPERIMENTS WITH SYNCHROTRON-RADIATION

Citation
O. Leupold et al., RELAXATION EXPERIMENTS WITH SYNCHROTRON-RADIATION, Hyperfine interactions, 113(1-4), 1998, pp. 81-95
Citations number
24
Categorie Soggetti
Physics, Atomic, Molecular & Chemical","Physics, Nuclear","Physics, Condensed Matter
Journal title
ISSN journal
03043843
Volume
113
Issue
1-4
Year of publication
1998
Pages
81 - 95
Database
ISI
SICI code
0304-3843(1998)113:1-4<81:REWS>2.0.ZU;2-6
Abstract
Relaxation phenomena show up in standard energy domain Mossbauer spect ra via line broadening. The evaluation of such spectra is in most case s done by adopting the stochastic theory mainly developed in the 60s a nd 70s. Due to the time structure and the polarization of the synchrot ron radiation nuclear resonance forward scattering in the time domain gives valuable information on relaxation mechanisms. We report here ma inly on Nuclear Forward Scattering (NFS) experiments investigating the paramagnetic relaxation of the Fe3+ ion in (NH)(4)(Al0.95Fe0.05)-Fe-5 7(SO4)(2) . 12H(2)O and briefly on recent investigations on charge flu ctuations in Eu3S4.