Nitroxydes XXVII. Chaleur spécifique du tétra-méthyl-2,2,6,6 pipéridinol-4 oxyle-1 entre 1,3°K et 74°K
作者： Henri Lemaire , Paul Rey , André Rassat , André de Combarieu , Jean-Claude Michel
DOI: 10.1080/00268976800100221
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摘要: La chaleur specifique du tetramethyl-2,2,6,6 piperidinol-4 oxyle-1 a ete mesuree de 1,3°k 74°k. courbe Cp = f(T) montre une anomalie dont le maximum se situe 4°k, que l'on interprete par l'existence d'une interaction d'echange antiferromagnetique entre proches voisins. Les resultats numeriques concordent bien avec les previsions theoriques attendues pour un modele lineaire d'Heisenberg.
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