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Magnetic properties of the Laves-type phases Ti2Co3Si and Ti2Fe3Si and their solid solution

Hamm, Christin M. ; Gölden, Dominik ; Hildebrandt, Erwin ; Weischenberg, Jürgen ; Zhang, Hongbin ; Alff, Lambert ; Birkel, Christina S. (2016)
Magnetic properties of the Laves-type phases Ti2Co3Si and Ti2Fe3Si and their solid solution.
In: J. Mater. Chem. C, 4 (31)
doi: 10.1039/c6tc02043g
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

Interest in Fe and Co containing Laves-type phases arises from their promising magnetic properties, especially in the context of magnetostrictive and magnetocaloric materials. Most compounds that are used for these applications consist of rare earth elements that are economically and environmentally problematic. Ti2Co3Si and Ti2Fe3Si are therefore attractive rare earth-free candidates, however their magnetic behavior has not been studied in full detail yet. Consequentially, we have prepared the full solid solution between both phases by arc melting and spark plasma sintering. The samples were subject to comprehensive investigation by means of synchrotron X-ray diffraction, EDX analysis and SQUID measurements. The magnetic properties of the mostly single phase materials generally follow a clear trend with an increase in the magnetic moment with increasing Fe content. Interestingly, we found a sudden drop in magnetic moment between samples Ti2Fe3Si and Ti-2(Co0.2Fe0.8)(3)Si. This phase transition from the ferromagnetic to the antiferromagnetic configuration for these compositions can indeed be confirmed by theoretical calculations.

Typ des Eintrags: Artikel
Erschienen: 2016
Autor(en): Hamm, Christin M. ; Gölden, Dominik ; Hildebrandt, Erwin ; Weischenberg, Jürgen ; Zhang, Hongbin ; Alff, Lambert ; Birkel, Christina S.
Art des Eintrags: Bibliographie
Titel: Magnetic properties of the Laves-type phases Ti2Co3Si and Ti2Fe3Si and their solid solution
Sprache: Englisch
Publikationsjahr: 2016
Verlag: Royal Society of Chemistry
Titel der Zeitschrift, Zeitung oder Schriftenreihe: J. Mater. Chem. C
Jahrgang/Volume einer Zeitschrift: 4
(Heft-)Nummer: 31
DOI: 10.1039/c6tc02043g
URL / URN: https://pubs.rsc.org/en/content/articlelanding/2016/TC/C6TC0...
Kurzbeschreibung (Abstract):

Interest in Fe and Co containing Laves-type phases arises from their promising magnetic properties, especially in the context of magnetostrictive and magnetocaloric materials. Most compounds that are used for these applications consist of rare earth elements that are economically and environmentally problematic. Ti2Co3Si and Ti2Fe3Si are therefore attractive rare earth-free candidates, however their magnetic behavior has not been studied in full detail yet. Consequentially, we have prepared the full solid solution between both phases by arc melting and spark plasma sintering. The samples were subject to comprehensive investigation by means of synchrotron X-ray diffraction, EDX analysis and SQUID measurements. The magnetic properties of the mostly single phase materials generally follow a clear trend with an increase in the magnetic moment with increasing Fe content. Interestingly, we found a sudden drop in magnetic moment between samples Ti2Fe3Si and Ti-2(Co0.2Fe0.8)(3)Si. This phase transition from the ferromagnetic to the antiferromagnetic configuration for these compositions can indeed be confirmed by theoretical calculations.

Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Dünne Schichten
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Theorie magnetischer Materialien
07 Fachbereich Chemie
07 Fachbereich Chemie > Eduard Zintl-Institut > Fachgebiet Anorganische Chemie
Hinterlegungsdatum: 08 Aug 2017 09:19
Letzte Änderung: 01 Feb 2023 07:32
PPN:
Sponsoren: Use of the Advanced Photon Source at Argonne National Laboratory was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357., Financial support by the German federal state of Hessen through its excellence program LOEWE "RESPONSE'' is gratefully acknowledged.
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