Electron paramagnetic resonance of Gd 3+ ion in monocrystal YAl 3 (BO 3 ) 4

The ground state of Gd 3+ ions substituting for Y 3+ in YAl 3 (BO 3 ) 4 single crystal has been studied by EPR method. Spin Hamiltonian parameters and their signs for Gd 3+ ion in trigonal symmetry ( g z  = 1.9893 ± 0.0002, g x  =  g y  = 1.9860 ± 0.0002; $b_2^0 $  = 386.15 ± 0.11; $b_4^0 $  = −12.6...

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Bibliographic Details
Published in:Physica status solidi. A, Applications and materials science Applications and materials science, 2009-11, Vol.206 (11), p.2617-2621
Main Authors: Prokhorov, A. D., Krygin, I. N., Prokhorov, A. A., Chernush, L. F., Aleshkevich, P., Dyakonov, V., Szymczak, H.
Format: Article
Language:English
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Summary:The ground state of Gd 3+ ions substituting for Y 3+ in YAl 3 (BO 3 ) 4 single crystal has been studied by EPR method. Spin Hamiltonian parameters and their signs for Gd 3+ ion in trigonal symmetry ( g z  = 1.9893 ± 0.0002, g x  =  g y  = 1.9860 ± 0.0002; $b_2^0 $  = 386.15 ± 0.11; $b_4^0 $  = −12.65 ± 0.07; $b_6^0 $  = 0.35 ± 0.10) were determined. Structural phase transition manifested as a discontinuous change of splitting of spectrum was observed near 157 K.
ISSN:1862-6300
1862-6319
DOI:10.1002/pssa.200925027