Pressure effects on the magnetocaloric properties of Ni-rich and Mn-rich Ni2MnGa alloys (Articolo in rivista)

Type
Label
  • Pressure effects on the magnetocaloric properties of Ni-rich and Mn-rich Ni2MnGa alloys (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jmmm.2007.03.020 (literal)
Alternative label
  • Albertini F., Kamarád J., Arnold Z., Pareti L., Villa E., Righi L. (2007)
    Pressure effects on the magnetocaloric properties of Ni-rich and Mn-rich Ni2MnGa alloys
    in Journal of magnetism and magnetic materials
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Albertini F., Kamarád J., Arnold Z., Pareti L., Villa E., Righi L. (literal)
Pagina inizio
  • 364 (literal)
Pagina fine
  • 367 (literal)
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  • 316 (literal)
Rivista
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  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • F. Albertini(a),?, J. Kamara´d(b), Z. Arnold(b), L. Pareti(a), E. Villa(c), L. Righi(d) (a)IMEM--CNR, Parco Area delle Scienze 37/A, 43010 Parma, Italy (b)Institute of Physics AS CR, Na Slovance 2, 182 21 Praha 8, Czech Republic (c)IENI--CNR, Corso Promessi Sposi, 23900 Lecco, Italy (d)Dipartimento di Chimica GIAF, Parco Area delle Scienze 17/A, 43100 Parma, Italy (literal)
Titolo
  • Pressure effects on the magnetocaloric properties of Ni-rich and Mn-rich Ni2MnGa alloys (literal)
Abstract
  • The pronounced magnetocaloric properties of Ni27xMn17yGa17z alloys are strongly dependent on both the composition and the inter-atomic distances. Moreover, the off-stoichiometric Mn- and Ni-rich Ni2MnGa compounds exhibit mutually different magnetocaloric behaviour under high hydrostatic pressure. A pressure-induced co-occurrence of martensitic transformation and magnetic transition was found for Mn-rich compounds, resulting in a substantial increase of magnetocaloric effect. In contrast to this, the magnetocaloric effect was partially suppressed in the Ni-rich compounds under high pressure. These results reflect the specific role of Ni in the martensitic transformation of Ni2MnGa alloys. (literal)
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