Magnetization behavior of NiMnGa alloy nanowires prepared by DC electrodeposition

K. Javed; X. M. Zhang; S. Parajuli; S. S. Ali; N. Ahmad; S. A. Shah; M. Irfan; J. F. Feng; X. F. Han

doi:10.1016/j.jmmm.2019.166232

Magnetization behavior of NiMnGa alloy nanowires prepared by DC electrodeposition

K. Javed, X. M. Zhang, S. Parajuli, S. S. Ali, N. Ahmad, S. A. Shah, M. Irfan, J. F. Feng, X. F. Han

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

19 Scopus citations

Abstract

NiMnGa have potential applications for magnetic field sensors, strain sensors, actuators and solid-state refrigeration, due to their unique microstructures and crystalline phases at various temperatures. Synthesis of Heusler type NiMnGa nanowires (diameter ~200 nm) has been done by low cost DC electrodeposition method using AAO templates. This method was employed due to its cost effectiveness, simplicity, and precise control over composition, diameter and length of nanotubes/nanowires. It has been observed that Ga concentration decreases as Mn concentration increases with the rise in potential. Magnetic properties have been studied at room temperature as well as at low temperatures. It has been found that coercivity (H_c) increases as temperature decreases. The nanowires have maintained ferromagnetic behavior from 10 K to RT.

Original language	English
Article number	166232
Journal	Journal of Magnetism and Magnetic Materials
Volume	498
DOIs	https://doi.org/10.1016/j.jmmm.2019.166232
State	Published - 15 Mar 2020
Externally published	Yes

Keywords

FSMAs
Magneto-elastic materials
Nanowires
NiMnGa

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10.1016/j.jmmm.2019.166232

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title = "Magnetization behavior of NiMnGa alloy nanowires prepared by DC electrodeposition",

abstract = "NiMnGa have potential applications for magnetic field sensors, strain sensors, actuators and solid-state refrigeration, due to their unique microstructures and crystalline phases at various temperatures. Synthesis of Heusler type NiMnGa nanowires (diameter ~200 nm) has been done by low cost DC electrodeposition method using AAO templates. This method was employed due to its cost effectiveness, simplicity, and precise control over composition, diameter and length of nanotubes/nanowires. It has been observed that Ga concentration decreases as Mn concentration increases with the rise in potential. Magnetic properties have been studied at room temperature as well as at low temperatures. It has been found that coercivity (Hc) increases as temperature decreases. The nanowires have maintained ferromagnetic behavior from 10 K to RT.",

keywords = "FSMAs, Magneto-elastic materials, Nanowires, NiMnGa",

author = "K. Javed and Zhang, {X. M.} and S. Parajuli and Ali, {S. S.} and N. Ahmad and Shah, {S. A.} and M. Irfan and Feng, {J. F.} and Han, {X. F.}",

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doi = "10.1016/j.jmmm.2019.166232",

language = "English",

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T1 - Magnetization behavior of NiMnGa alloy nanowires prepared by DC electrodeposition

AU - Javed, K.

AU - Zhang, X. M.

AU - Parajuli, S.

AU - Ali, S. S.

AU - Ahmad, N.

AU - Shah, S. A.

AU - Irfan, M.

AU - Feng, J. F.

AU - Han, X. F.

PY - 2020/3/15

Y1 - 2020/3/15

N2 - NiMnGa have potential applications for magnetic field sensors, strain sensors, actuators and solid-state refrigeration, due to their unique microstructures and crystalline phases at various temperatures. Synthesis of Heusler type NiMnGa nanowires (diameter ~200 nm) has been done by low cost DC electrodeposition method using AAO templates. This method was employed due to its cost effectiveness, simplicity, and precise control over composition, diameter and length of nanotubes/nanowires. It has been observed that Ga concentration decreases as Mn concentration increases with the rise in potential. Magnetic properties have been studied at room temperature as well as at low temperatures. It has been found that coercivity (Hc) increases as temperature decreases. The nanowires have maintained ferromagnetic behavior from 10 K to RT.

AB - NiMnGa have potential applications for magnetic field sensors, strain sensors, actuators and solid-state refrigeration, due to their unique microstructures and crystalline phases at various temperatures. Synthesis of Heusler type NiMnGa nanowires (diameter ~200 nm) has been done by low cost DC electrodeposition method using AAO templates. This method was employed due to its cost effectiveness, simplicity, and precise control over composition, diameter and length of nanotubes/nanowires. It has been observed that Ga concentration decreases as Mn concentration increases with the rise in potential. Magnetic properties have been studied at room temperature as well as at low temperatures. It has been found that coercivity (Hc) increases as temperature decreases. The nanowires have maintained ferromagnetic behavior from 10 K to RT.

KW - FSMAs

KW - Magneto-elastic materials

KW - Nanowires

KW - NiMnGa

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JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

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Magnetization behavior of NiMnGa alloy nanowires prepared by DC electrodeposition

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Keywords

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