EPR of Fe 3+  Ions in Chrysoberyl | Zendy

Barry W. R. | Zendy; Troup G. J. | Zendy

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EPR of Fe 3+ Ions in Chrysoberyl

Author(s) -

Barry W. R.,

Troup G. J.

Publication year - 1970

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.19700380122

Subject(s) - electron paramagnetic resonance , orthorhombic crystal system , ion , chemistry , hamiltonian (control theory) , atomic physics , crystallography , physics , analytical chemistry (journal) , nuclear magnetic resonance , crystal structure , mathematical optimization , mathematics , organic chemistry , chromatography

A redetermination of the spin Hamiltonian parameters for Fe 3+ ions substituting for Al 3+ ions in mirror symmetry sites in the orthorhombic mineral chrysoberyl (Al 2 BeO 4 ) has been made. EPR experiments at X‐ and Q‐band frequencies are described, and analysis of the measurements yields new values for the parameters, given by g = 2.003 ± 0.001, b 0 2= (8.572 ± 0.006) GHz, b 0 4= (–0.311 ± 0.003) GHz, b 2 4= = (0.014 ± 0.015) GHz, b 4 4= (1.461 ± 0.006) GHz. The zero‐field splittings between the ± 5/2 and ± 3/2, and the ± 3/2 and ± 1/2 Kramers' doublets are (32.78 ± 0.03) GHz and (19.6 ± 0.2) GHz, respectively.

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