Magnetic properties of Ni50 Mn34.8 In15.2 probed by Mössbauer spectroscopy

V. V. Khovaylo; T. Kanomata; T. Tanaka; M. Nakashima; Y. Amako; R. Kainuma; R. Y. Umetsu; H. Morito; Hiroyuki Miki

doi:10.1103/PhysRevB.80.144409

Magnetic properties of Ni50 Mn34.8 In15.2 probed by Mössbauer spectroscopy

V. V. Khovaylo, T. Kanomata, T. Tanaka, M. Nakashima, Y. Amako, R. Kainuma, R. Y. Umetsu, H. Morito, Hiroyuki Miki

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Abstract

Structural and magnetic properties of a Ni50 Mn34.8 In15.2 ferromagnetic shape memory alloy doped by F 57 e at the Mn sites have been studied by x-ray diffraction, Mössbauer spectroscopy and superconducting quantum interference device magnetometry. Obtained experimental results have disclosed unique magnetostructural transition from a high-temperature ferromagnetic austenitic phase to a low-temperature paramagnetic martensitic phase at Mf =290 K. Complex magnetic ordering which can be classified as a cluster glass state is formed in Ni50 Mn34.3 F 57 e0.5 In15.2 on further cooling below TCM =162 K. The abnormal magnetostructural transition observed in Ni50 Mn34.3 F 57 e0.5 In15.2 is suggested to originate from the weakening of exchange interactions due to an abrupt change in Mn-Mn interatomic distances occurring upon the martensitic transformation.

Original language	English
Article number	144409
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	80
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.80.144409
Publication status	Published - 2009 Oct 14

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.80.144409

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title = "Magnetic properties of Ni50 Mn34.8 In15.2 probed by M{\"o}ssbauer spectroscopy",

abstract = "Structural and magnetic properties of a Ni50 Mn34.8 In15.2 ferromagnetic shape memory alloy doped by F 57 e at the Mn sites have been studied by x-ray diffraction, M{\"o}ssbauer spectroscopy and superconducting quantum interference device magnetometry. Obtained experimental results have disclosed unique magnetostructural transition from a high-temperature ferromagnetic austenitic phase to a low-temperature paramagnetic martensitic phase at Mf =290 K. Complex magnetic ordering which can be classified as a cluster glass state is formed in Ni50 Mn34.3 F 57 e0.5 In15.2 on further cooling below TCM =162 K. The abnormal magnetostructural transition observed in Ni50 Mn34.3 F 57 e0.5 In15.2 is suggested to originate from the weakening of exchange interactions due to an abrupt change in Mn-Mn interatomic distances occurring upon the martensitic transformation.",

author = "Khovaylo, {V. V.} and T. Kanomata and T. Tanaka and M. Nakashima and Y. Amako and R. Kainuma and Umetsu, {R. Y.} and H. Morito and Hiroyuki Miki",

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T1 - Magnetic properties of Ni50 Mn34.8 In15.2 probed by Mössbauer spectroscopy

AU - Khovaylo, V. V.

AU - Kanomata, T.

AU - Tanaka, T.

AU - Nakashima, M.

AU - Amako, Y.

AU - Kainuma, R.

AU - Umetsu, R. Y.

AU - Morito, H.

AU - Miki, Hiroyuki

PY - 2009/10/14

Y1 - 2009/10/14

N2 - Structural and magnetic properties of a Ni50 Mn34.8 In15.2 ferromagnetic shape memory alloy doped by F 57 e at the Mn sites have been studied by x-ray diffraction, Mössbauer spectroscopy and superconducting quantum interference device magnetometry. Obtained experimental results have disclosed unique magnetostructural transition from a high-temperature ferromagnetic austenitic phase to a low-temperature paramagnetic martensitic phase at Mf =290 K. Complex magnetic ordering which can be classified as a cluster glass state is formed in Ni50 Mn34.3 F 57 e0.5 In15.2 on further cooling below TCM =162 K. The abnormal magnetostructural transition observed in Ni50 Mn34.3 F 57 e0.5 In15.2 is suggested to originate from the weakening of exchange interactions due to an abrupt change in Mn-Mn interatomic distances occurring upon the martensitic transformation.

AB - Structural and magnetic properties of a Ni50 Mn34.8 In15.2 ferromagnetic shape memory alloy doped by F 57 e at the Mn sites have been studied by x-ray diffraction, Mössbauer spectroscopy and superconducting quantum interference device magnetometry. Obtained experimental results have disclosed unique magnetostructural transition from a high-temperature ferromagnetic austenitic phase to a low-temperature paramagnetic martensitic phase at Mf =290 K. Complex magnetic ordering which can be classified as a cluster glass state is formed in Ni50 Mn34.3 F 57 e0.5 In15.2 on further cooling below TCM =162 K. The abnormal magnetostructural transition observed in Ni50 Mn34.3 F 57 e0.5 In15.2 is suggested to originate from the weakening of exchange interactions due to an abrupt change in Mn-Mn interatomic distances occurring upon the martensitic transformation.

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Magnetic properties of Ni50 Mn34.8 In15.2 probed by Mössbauer spectroscopy

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