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Les nitrures et les oxynitrures possedent des proprietes originales qu'on peut relier au role que joue l'azote dans ces composes. On a examine plus particulierement les consequences d'une substitution d'oxygene par de l'azote qui permet, a travers la comparaison entre oxynitrures et oxydes, de faire ressortir plusieurs caracteres specifiques de l'azote N 3- : augmentation de la charge...
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