Correlations of Electron Spin Resonance Parameters with Fe 3+  Sites in Topaz | Zendy

Howling D. H. | Zendy

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Correlations of Electron Spin Resonance Parameters with Fe 3+ Sites in Topaz

Author(s) -

Howling D. H.

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.19700400226

Subject(s) - topaz , electron paramagnetic resonance , resonance (particle physics) , electron , spin (aerodynamics) , nuclear magnetic resonance , chemistry , atomic physics , crystallography , materials science , physics , mineralogy , nuclear physics , thermodynamics

Correlations proposed between crystal field axes obtained from electron spin resonance measurements and specific Fe 3+ sites in topaz (Al 2 [F, OH] 2 SiO 4 ) have been investigated. The results of three studies have been examined and it is shown that none of the axes‐site correlations proposed is unique. Results obtained for Fe 3+ by electron spin resonance are compared with the results of our earlier nuclear resonance studies of Al 3+ in topaz. By comparison with the tensor‐site correlations previously advanced for Al 3+ sites, preferred correlations between axes and sites for Fe 3+ substituting for Al 3+ in two groups of sites are given, each group consisting of four equivalent and congruent Al 3+ sites.

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