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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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