Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/37209
Title: Transport properties of shell-ferromagnetic Heusler precipitates in decomposed Ni49.8Mn45.1Sn5.1 and decomposition limit for Ni50Mn50-xSnx alloys
Authors: Çakır, A.
Koyun, Hatice Nur
Acet, M.
Farle, M.
Keywords: Ferromagnetic materials
Ferromagnetism
Magnetic fields
Phase separation
Precipitation (chemical)
Shells (structures)
Ternary alloys
Tin alloys
Transport properties
Coercive field
Core/shell
Ferromagnetic Heusler alloy
Ferromagnetic properties
Ferromagnets
Heusler alloys
Magneto transport properties
Structural instability
Manganese alloys
Publisher: Elsevier B.V.
Abstract: Shell-ferromagnetism is observed in Mn-rich NiMn-based Heusler alloys as a result of phase-separation. Off-stoichiometric NiMn-based Heusler alloys decompose into a dual-phase composite when annealed under a magnetic field. As a result of this process, an initially anti-ferromagnetic Heusler alloy gains hard-ferromagnetic properties with a nearly 10 Tesla coercive field of a core/shell structured precipitate. In the present study, Ni50.1Mn42.1Sn7.8 and Ni50.4Mn36.6Sn13.0 alloys are investigated for magnetic and structural instabilities and shell-ferromagnetic decomposition to obtain information on the compositional limits of the decomposition. Furthermore, we investigate the magneto-transport properties of shell-ferromagnets obtained by annealing Ni49.8Mn45.1Sn5.1 in a magnetic-field. © 2019 Elsevier B.V.
URI: https://hdl.handle.net/11499/37209
https://doi.org/10.1016/j.jmmm.2019.166265
ISSN: 0304-8853
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Teknoloji Fakültesi Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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