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Adiabatic Temperature Change in Metamagnetic Ni(Co)-Mn-Al Heusler Alloys

Khovaylo, Vladimir ; Lyange, Maria ; Skokov, Konstantin ; Gutfleisch, Oliver ; Chatterjee, Ratnamala ; Xu, Xiao ; Kainuma, Ryosuke (2013)
Adiabatic Temperature Change in Metamagnetic Ni(Co)-Mn-Al Heusler Alloys.
In: Materials Science Forum, 738-739
doi: 10.4028/www.scientific.net/MSF.738-739.446
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

Two representatives of Ni(Co)-Mn-Al metamagnetic shape memory alloy system, Ni45Co5Mn31Al19 and Ni35Co15Mn35Al15, have been studied with respect to their magnetocaloric properties. Experimental study of the magnetocaloric effect by a direct measurement of the adiabatic temperature change ΔTad revealed that in both the samples ΔTad depends on the measurement protocol as well as on the magnetic prehistory of the samples. For the applied magnetic field μ0H = 1.93 T, the largest adiabatic temperature change, |ΔTad| ≈ 0.7 K, has been observed in the Ni35Co15Mn35Al15 sample at T = 464 K.

Typ des Eintrags: Artikel
Erschienen: 2013
Autor(en): Khovaylo, Vladimir ; Lyange, Maria ; Skokov, Konstantin ; Gutfleisch, Oliver ; Chatterjee, Ratnamala ; Xu, Xiao ; Kainuma, Ryosuke
Art des Eintrags: Bibliographie
Titel: Adiabatic Temperature Change in Metamagnetic Ni(Co)-Mn-Al Heusler Alloys
Sprache: Englisch
Publikationsjahr: 2013
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Materials Science Forum
Jahrgang/Volume einer Zeitschrift: 738-739
DOI: 10.4028/www.scientific.net/MSF.738-739.446
Kurzbeschreibung (Abstract):

Two representatives of Ni(Co)-Mn-Al metamagnetic shape memory alloy system, Ni45Co5Mn31Al19 and Ni35Co15Mn35Al15, have been studied with respect to their magnetocaloric properties. Experimental study of the magnetocaloric effect by a direct measurement of the adiabatic temperature change ΔTad revealed that in both the samples ΔTad depends on the measurement protocol as well as on the magnetic prehistory of the samples. For the applied magnetic field μ0H = 1.93 T, the largest adiabatic temperature change, |ΔTad| ≈ 0.7 K, has been observed in the Ni35Co15Mn35Al15 sample at T = 464 K.

Freie Schlagworte: magnetocaloric effect, martensitic transformations, Heusler alloys, first order magnetic phase transitions
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Funktionale Materialien
Hinterlegungsdatum: 26 Apr 2013 07:35
Letzte Änderung: 07 Jul 2020 08:42
PPN:
Sponsoren: This work was supported by the Russian Foundation for Basic Research (grant No. 10-02-00721-а), the joint RFBR-DST project (grant No.12-02-92700), the Creation and Development Program of NUST “MISiS”, and by the Federal program for Scientific and Pedagogical staff of innovative Russia.
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