Comparison of  EPR  spectra of the Gd 3+  ion‐doped  YA l 3 ( BO  3 ) 4 , Eu A l 3 ( BO  3 ) 4 , and Tm A l 3 ( BO  3 ) 4  single crystals | Zendy

Prokhorov A. D. | Zendy; Prokhorov A. A. | Zendy; Chernush L. F. | Zendy; Minyakaev R. | Zendy; Dyakonov V. P. | Zendy; Szymczak H. | Zendy

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Comparison of EPR spectra of the Gd 3+ ion‐doped YA l 3 ( BO 3 ) 4 , Eu A l 3 ( BO 3 ) 4 , and Tm A l 3 ( BO 3 ) 4 single crystals

Author(s) -

Prokhorov A. D.,

Prokhorov A. A.,

Chernush L. F.,

Minyakaev R.,

Dyakonov V. P.,

Szymczak H.

Publication year - 2014

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.201350026

Subject(s) - electron paramagnetic resonance , ion , impurity , crystallography , boron , doping , spectral line , chemistry , analytical chemistry (journal) , atomic physics , nuclear magnetic resonance , physics , condensed matter physics , organic chemistry , chromatography , astronomy

The EPR spectra of Gd 3+ ion replacing Y 3+ or rare‐earth (RE) ions in aluminum borates REAl 3 (BO 3 ) 4 (RE = Y 3+ , Eu 3+ , Tm 3+ ) have been studied. The spin‐Hamiltonian parameters of an impurity Gd 3+ ion in these crystals were determined. The basic atom coordinates in the structure of TmAl 3 (BO 3 ) 4 crystal have been established. Distortions of the Gd 3+ ion nearest environment were analyzed within the framework of the superposition model of zero‐field splitting. Theb 2 0parameter change in isomorphic aluminum borates is shown to be determined by change of the angle between the Gd 3+ O 2− bond and the C 3 ‐axis.

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