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STUDIA PHYSICA - Issue no. 2 / 2011 | |||||||
Article: |
MAGNETIC PROPERTIES AND MAGNETOCALORIC EFFECT IN Tb8Co16-XCuX COMPOUNDS. Authors: R. TETEAN. |
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Abstract: The Tb8Co16-XCuX compounds crystallize in a cubic Laves phase structure of C15 type for x ≤ 4. The magnetic properties and magnetocaloric effect in these compounds are reported. The compounds are ferrimagnetically ordered. The Curie temperature decrease while the magnetic moments are little affected by substitution of cobalt atoms by cooper ones. The cobalt behavior is analyzed in spin fluctuation model. The potential use of these materials in magnetic refrigeration is discussed. Keywords: Magnetocaloric effect; Magnetization; Rare-earth-transition metal compounds; Susceptibility. |
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