Etude par RPE de l'Ion NO2?2 dans une apatite nitrée |
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| Authors: | J Dugas B Bejjaji D Sayah JC Trombe |
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| Institution: | Département de Physique, Faculté des Sciences, Rabat, Maroc;Laboratoire de Physico-Chimie des Solides et des Hautes Températures, Institut National Polytechnique, Toulouse, France |
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| Abstract: | A calcium phosphate apatite which contains some different nitrogen oxides is studied by the ESR technique. NO2?2 ions are evidenced and characterized. They stay in the apatite channels with their OO direction along the channel axis. ESR experiments at different temperatures show that these ions rotate around this axis when the temperature becomes higher than that of liquid nitrogen. |
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