Analysis of the zero-field splitting parameters of Mn2+ ions doped into yttrium aluminum borate YAl3(BO3)4 single crystal: Substitution position of the impurity ion
被引:11
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机构:
Acikgoz, Muhammed
[1
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Gnutek, Pawel
[2
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机构:
[1] Bahcesehir Univ, Fac Arts & Sci, TR-34353 Istanbul, Turkey
Substitutions options for Mn2+ doped YAl3(BO3)(4) crystal at room temperature have been analyzed in detail using a semiempirical superposition model (SPM) analysis, which enables correlation of the spectroscopic and crystallographic data. The very large zero-field splitting parameter (ZFSP) b(2)(0)(= D) for Mn2+ ion in YAl3(BO3)(4) crystal observed by electron magnetic resonance (EMR) has been interpreted in the framework of SPM. It is considered that the replacement of the Mn2+ for Al3+ induces a sizable lattice distortion, which gives rise to a large D value. It is also indicated that the zero-field splitting depends linearly on the angular distortion of the ligands around Mn2+ doped into YAl3(BO3)(4). (C) 2014 Elsevier B.V. All rights reserved.