1961
DOI: 10.1139/p61-012
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An Electron Spin Resonance Study of Manganese Impurity in Brucite

Abstract: A single crystal of brucite, Mg(OH)2, containing manganese impurity to the extent of 100 parts per million, has been studied by means of the electron spin resonance (esr) technique. The study was made at room and liquid air temperatures. The observed absorption spectrum has been successfully interpreted in terms of parameters found in the appropriate spin-Hamiltonian. The measured values of these parameters at room temperature were found to be:[Formula: see text]

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Cited by 8 publications
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“…Figure 5(c) displays the deconvolution of the EPR spectrum of the ZHNMn sample, where two paramagnetic centres, Mn 2+ (I) and Mn 2+ (II), were identified. The SH parameters determined for the Mn 2+ (I) centres (Table S2 in Supplementary Information) have a very low anisotropy and are quite close to the EPR parameters of Mn 2+ in brucite 61 , which points to a localization of the Mn 2+ ions in the octahedrally coordinated cationic sites in ZHN. The SH parameters of the Mn 2+ (II) centres indicate a local crystal field with axial symmetry, which could correspond to Mn 2+ ions localized in the tetrahedrally coordinated cationic sites.…”
Section: Resultsmentioning
confidence: 56%
“…Figure 5(c) displays the deconvolution of the EPR spectrum of the ZHNMn sample, where two paramagnetic centres, Mn 2+ (I) and Mn 2+ (II), were identified. The SH parameters determined for the Mn 2+ (I) centres (Table S2 in Supplementary Information) have a very low anisotropy and are quite close to the EPR parameters of Mn 2+ in brucite 61 , which points to a localization of the Mn 2+ ions in the octahedrally coordinated cationic sites in ZHN. The SH parameters of the Mn 2+ (II) centres indicate a local crystal field with axial symmetry, which could correspond to Mn 2+ ions localized in the tetrahedrally coordinated cationic sites.…”
Section: Resultsmentioning
confidence: 56%