Structural and magnetic properties of Pr-alloyed MnBi nanostructures

P. Kharel; V. R. Shah; X. Z. Li; W. Y. Zhang; R. Skomski; J. E. Shield; D. J. Sellmyer

doi:10.1088/0022-3727/46/9/095003

Structural and magnetic properties of Pr-alloyed MnBi nanostructures

P. Kharel, V. R. Shah, X. Z. Li, W. Y. Zhang, R. Skomski, J. E. Shield, D. J. Sellmyer

Physics and Astronomy

Research output: Contribution to journal › Article

27 Scopus citations

Abstract

The structural and magnetic properties of Pr-alloyed MnBi (short MnBi-Pr) nanostructures with a range of Pr concentrations are investigated. The nanostructures include thin films having Pr concentrations 0, 2, 3, 5 and 9 at.% and melt-spun ribbons having Pr concentrations 0%, 2%, 4% and 6%, respectively. Addition of Pr into the MnBi lattice has produced a significant change in the magnetic properties of these nanostructures including an increase in coercivity and structural phase transition temperature, and a decrease in saturation magnetization and anisotropy energy. The highest value of coercivity measured in the films is 23 kOe and in the ribbons is 5.6 kOe. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions.

Original language	English (US)
Article number	095003
Journal	Journal of Physics D: Applied Physics
Volume	46
Issue number	9
DOIs	https://doi.org/10.1088/0022-3727/46/9/095003
State	Published - Mar 6 2013

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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Kharel, P., Shah, V. R., Li, X. Z., Zhang, W. Y., Skomski, R., Shield, J. E., & Sellmyer, D. J. (2013). Structural and magnetic properties of Pr-alloyed MnBi nanostructures. Journal of Physics D: Applied Physics, 46(9), [095003]. https://doi.org/10.1088/0022-3727/46/9/095003

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abstract = "The structural and magnetic properties of Pr-alloyed MnBi (short MnBi-Pr) nanostructures with a range of Pr concentrations are investigated. The nanostructures include thin films having Pr concentrations 0, 2, 3, 5 and 9 at.% and melt-spun ribbons having Pr concentrations 0%, 2%, 4% and 6%, respectively. Addition of Pr into the MnBi lattice has produced a significant change in the magnetic properties of these nanostructures including an increase in coercivity and structural phase transition temperature, and a decrease in saturation magnetization and anisotropy energy. The highest value of coercivity measured in the films is 23 kOe and in the ribbons is 5.6 kOe. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions.",

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AU - Kharel, P.

AU - Shah, V. R.

AU - Li, X. Z.

AU - Zhang, W. Y.

AU - Skomski, R.

AU - Shield, J. E.

AU - Sellmyer, D. J.

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N2 - The structural and magnetic properties of Pr-alloyed MnBi (short MnBi-Pr) nanostructures with a range of Pr concentrations are investigated. The nanostructures include thin films having Pr concentrations 0, 2, 3, 5 and 9 at.% and melt-spun ribbons having Pr concentrations 0%, 2%, 4% and 6%, respectively. Addition of Pr into the MnBi lattice has produced a significant change in the magnetic properties of these nanostructures including an increase in coercivity and structural phase transition temperature, and a decrease in saturation magnetization and anisotropy energy. The highest value of coercivity measured in the films is 23 kOe and in the ribbons is 5.6 kOe. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions.

AB - The structural and magnetic properties of Pr-alloyed MnBi (short MnBi-Pr) nanostructures with a range of Pr concentrations are investigated. The nanostructures include thin films having Pr concentrations 0, 2, 3, 5 and 9 at.% and melt-spun ribbons having Pr concentrations 0%, 2%, 4% and 6%, respectively. Addition of Pr into the MnBi lattice has produced a significant change in the magnetic properties of these nanostructures including an increase in coercivity and structural phase transition temperature, and a decrease in saturation magnetization and anisotropy energy. The highest value of coercivity measured in the films is 23 kOe and in the ribbons is 5.6 kOe. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions.

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