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Temperature‐ and Concentration‐Dependence of the Spin‐Lattice Relaxation Time of Chromium Ions in GASH
Author(s) -
Kirmse R.,
Solovev B. V.,
Sakharov V. A.,
Tarasov B. G.
Publication year - 1974
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19744860403
Subject(s) - ion , chromium , materials science , spin–lattice relaxation , lattice (music) , condensed matter physics , formalism (music) , alum , relaxation (psychology) , ferroelectricity , doping , physics , dielectric , quantum mechanics , art , musical , social psychology , psychology , paramagnetism , optoelectronics , acoustics , metallurgy , visual arts
Investigations of the temperature‐ and concentration dependence of the spin‐lattice relaxation time T 1 in ferroelectric GASH (= Guanidinium aluminium sulfate hexahydrate) single crystals doped with Cr 3+ ‐ions are reported. The concentration‐dependence found on the higher concentrated crystals C 0.1% Cr 3+ ) as well as the observed cross‐relaxation are explained in terms of spin‐lattice relaxation via exchange pairs. Using the V AN V LECK formalism T 1 has been estimated for Cr 3+ : GASH by comparision of the present system and K‐Cr‐alum.

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