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|Type:||Artigo de periódico|
|Title:||Theory Of The Spin Hamiltonian Of Clo2 In Single Crystals Of Silver Chlorate|
|Abstract:||The EPR of ClO2 in gamma irradiated single crystals of AgClO3 was recently observed and the g and A tensors appeared rotated with respect to each other by approximately 6° about one of the molecular axis of ClO2. This effect was studied by considering a crystal field that breaks the C2υ symmetry of ClO2. The crystal field was estimated from a point charge model that includes the Ag+ and ClO-3 ions that are the nearest to the ClO2 fragment. This model gives a good qualitative agreement with the experimental results: It predicts the same axis and direction of rotation that were observed and a value of the angle of rotation between 0.8° and 4.4° (depending on the position of the ClO2 in the crystal lattice). In this model the g tensor is practically unaffected by the crystal fields and the orientation of the ClO2 fragment is consequently determined by the principal axis of this tensor. © 1978 American Institute of Physics.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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