Structural and magnetic properties of magnetic shape memory alloy Ni 46Mn41In13 under magnetic fields

Kenichi Abematsu; Rie Umetsu; Ryosuke Kainuma; Takeshi Kanomata; Kazuo Watanabe; Keiichi Koyama

doi:10.2320/matertrans.M2013372

Structural and magnetic properties of magnetic shape memory alloy Ni ₄₆Mn₄₁In₁₃ under magnetic fields

Kenichi Abematsu, Rie Umetsu, Ryosuke Kainuma, Takeshi Kanomata, Kazuo Watanabe, Keiichi Koyama

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The structural and magnetic properties of Heusler alloy Ni ₄₆Mn₄₁In₁₃ were studied by magnetization and X-ray powder diffraction measurements in the 4.5350K temperature range and in magnetic fields up to 5 T. The alloy undergoes martensitic transformation from a L21-type cubic structure with a_c = 0.600nm at 293K to a six-layered monoclinic (6M) structure in the transition temperature of 160230 K. The lattice parameters for the 6M structure were estimated to be a_m = 0.441 nm, b_m = 0.557 nm, c_m = 1.30 nm, α_m = 90.0°, β_m = 94.0°, and γ_m = 90.0° at 75 K. In this transformation from the L21 to 6M structures, the cell volume contracts by 0.34% at 8K. In addition, we observed the magnetic field-induced reverse transformation of this alloy.

Original language	English
Pages (from-to)	477-481
Number of pages	5
Journal	Materials Transactions
Volume	55
Issue number	3
DOIs	https://doi.org/10.2320/matertrans.M2013372
Publication status	Published - 2014 Mar 17

Keywords

Ferromagnetic shape-memory alloys
Field-induced magnetic and structural transition
Heusler alloy
Martensitic transformation

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Structural and magnetic properties of magnetic shape memory alloy Ni 46Mn41In13 under magnetic fields",

abstract = "The structural and magnetic properties of Heusler alloy Ni 46Mn41In13 were studied by magnetization and X-ray powder diffraction measurements in the 4.5350K temperature range and in magnetic fields up to 5 T. The alloy undergoes martensitic transformation from a L21-type cubic structure with ac = 0.600nm at 293K to a six-layered monoclinic (6M) structure in the transition temperature of 160230 K. The lattice parameters for the 6M structure were estimated to be am = 0.441 nm, bm = 0.557 nm, cm = 1.30 nm, αm = 90.0°, βm = 94.0°, and γm = 90.0° at 75 K. In this transformation from the L21 to 6M structures, the cell volume contracts by 0.34% at 8K. In addition, we observed the magnetic field-induced reverse transformation of this alloy.",

keywords = "Ferromagnetic shape-memory alloys, Field-induced magnetic and structural transition, Heusler alloy, Martensitic transformation",

author = "Kenichi Abematsu and Rie Umetsu and Ryosuke Kainuma and Takeshi Kanomata and Kazuo Watanabe and Keiichi Koyama",

year = "2014",

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doi = "10.2320/matertrans.M2013372",

language = "English",

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T1 - Structural and magnetic properties of magnetic shape memory alloy Ni 46Mn41In13 under magnetic fields

AU - Abematsu, Kenichi

AU - Umetsu, Rie

AU - Kainuma, Ryosuke

AU - Kanomata, Takeshi

AU - Watanabe, Kazuo

AU - Koyama, Keiichi

PY - 2014/3/17

Y1 - 2014/3/17

N2 - The structural and magnetic properties of Heusler alloy Ni 46Mn41In13 were studied by magnetization and X-ray powder diffraction measurements in the 4.5350K temperature range and in magnetic fields up to 5 T. The alloy undergoes martensitic transformation from a L21-type cubic structure with ac = 0.600nm at 293K to a six-layered monoclinic (6M) structure in the transition temperature of 160230 K. The lattice parameters for the 6M structure were estimated to be am = 0.441 nm, bm = 0.557 nm, cm = 1.30 nm, αm = 90.0°, βm = 94.0°, and γm = 90.0° at 75 K. In this transformation from the L21 to 6M structures, the cell volume contracts by 0.34% at 8K. In addition, we observed the magnetic field-induced reverse transformation of this alloy.

AB - The structural and magnetic properties of Heusler alloy Ni 46Mn41In13 were studied by magnetization and X-ray powder diffraction measurements in the 4.5350K temperature range and in magnetic fields up to 5 T. The alloy undergoes martensitic transformation from a L21-type cubic structure with ac = 0.600nm at 293K to a six-layered monoclinic (6M) structure in the transition temperature of 160230 K. The lattice parameters for the 6M structure were estimated to be am = 0.441 nm, bm = 0.557 nm, cm = 1.30 nm, αm = 90.0°, βm = 94.0°, and γm = 90.0° at 75 K. In this transformation from the L21 to 6M structures, the cell volume contracts by 0.34% at 8K. In addition, we observed the magnetic field-induced reverse transformation of this alloy.

KW - Ferromagnetic shape-memory alloys

KW - Field-induced magnetic and structural transition

KW - Heusler alloy

KW - Martensitic transformation

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