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Type: Artigo de periódico
Title: Structure, Magnetism, And Magnetocaloric Properties Of Mnfe P1-x Six Compounds
Author: Cam Thanh D.T.
Bruck E.
Trung N.T.
Klaasse J.C.P.
Buschow K.H.J.
Ou Z.Q.
Tegus O.
Caron L.
Abstract: MnFe P1-x Six compounds with x=0.10,0.20,0.24,0.28,0.80,1 were prepared by high-energy ball milling and solid-state reaction. The structural, magnetic, and magnetocaloric properties are investigated as a function of temperature and magnetic field. X-ray diffraction studies show that the samples in the range from x=0.28 to 0.64 adopt the hexagonal Fe2 P -type structure with a small amount of second phase which increases with increasing Si content. The samples with lower Si content show the orthorhombic Co2 P -type structure. Magnetic measurements show that the paramagnetic-ferromagnetic transition temperatures range from 214 to 377 K. Of much importance is the fact that these compounds do not contain any toxic components and exhibit excellent magnetocaloric properties. © 2008 American Institute of Physics.
Rights: aberto
Identifier DOI: 10.1063/1.2836958
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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