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Synthesis, structural characterization and magnetism of the solid solution: Copper nickel pyrophosphate

Identifieur interne : 001024 ( Main/Exploration ); précédent : 001023; suivant : 001025

Synthesis, structural characterization and magnetism of the solid solution: Copper nickel pyrophosphate

Auteurs : A. Handizi [Maroc] ; A. Boukhari [Maroc] ; E. M. Holt [États-Unis] ; J. Aride [Maroc] ; S. Flandrois [France]

Source :

RBID : ISTEX:9F122A7459CF1840B726771C6A785D7429763EDC

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English descriptors

Abstract

The solid solution, Cu2−xNixP2O7 (0≤x≤2), has been synthesized and characterized by X-ray diffraction on powder. A study of the crystal chemistry of this system has revealed the existence of a phase, Cu2−xNixP2O7 (0.04≤x≤1.75), isomorphous with the high temperature forms: β-Cu2P2O7 and β-Ni2P2O7. The magnetism of this phase has been measured at x=0.25, 0.5, 1.0, 1.5 and 1.75 between 5.2 and 300 K. Antiferromagnetic interactions between ions weaken with the substitution of Ni2+ for Cu2+ in the solid state lattice of Cu2P2O7.

Url:
DOI: 10.1016/0025-5408(93)90171-9


Affiliations:


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Le document en format XML

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<term>Magnetic materials</term>
<term>Magnetic susceptibility</term>
<term>Nickel Pyrophosphates</term>
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<term>Cuivre Diphosphate</term>
<term>Dépendance température</term>
<term>Etude expérimentale</term>
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<term>Nickel Diphosphate</term>
<term>Solution solide</term>
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