A study of the physical properties of single crystalline Fe5B2P

Tej N. Lamichhane; Valentin Taufour; Srinivasa Thimmaiah; David S. Parker; Sergey L. Bud'Ko; Paul C. Canfield

doi:10.1016/j.jmmm.2015.10.088

A study of the physical properties of single crystalline Fe₅B₂P

Tej N. Lamichhane, Valentin Taufour, Srinivasa Thimmaiah, David S. Parker, Sergey L. Bud'Ko, Paul C. Canfield

Materials Theory

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

28 Scopus citations

Abstract

Single crystals of Fe₅B₂P were grown by self-flux growth technique. Structural and electrical and magnetic anisotropic properties are studied. The Curie temperature of Fe₅B₂P is determined to be 655±2 K. The saturation magnetization is determined to be 1.72_μB/Fe at 2 K. The temperature variation of the anisotropy constant K₁ is determined for the first time, reaching ∼0.50MJ/^m3 at 2 K, and it is comparable to that of hard ferrites. The saturation magnetization is found to be larger than the hard ferrites. The first principle calculations of saturation magnetization and anisotropy constant are found to be consistent with the experimental results.

Original language	English
Pages (from-to)	525-531
Number of pages	7
Journal	Journal of Magnetism and Magnetic Materials
Volume	401
DOIs	https://doi.org/10.1016/j.jmmm.2015.10.088
State	Published - Mar 1 2016

Funding

We thank T. Kong, U. Kaluarachchi, K. Dennis, and A. Sapkota for useful discussion. This research was supported by the Critical Material Institute , an Energy Innovation Hub funded by U.S. Department of Energy, Office of Energy Efficiency and Renewal Energy, Advanced Manufacturing Office . This work was also supported by the Office of Basic Energy Sciences, Materials Sciences Division, U.S. DOE . The first principle calculation of this work was performed in Oak Ridge National Laboratory.

Funders	Funder number
Critical Material Institute
Materials Sciences Division
U.S. Department of Energy
Advanced Manufacturing Office
Office of Energy Efficiency and Renewable Energy
Basic Energy Sciences

Keywords

Anisotropy constant
Arrott plot
Demagnetization factor
Magnetization
Single crystal
Transition temperature

Access to Document

10.1016/j.jmmm.2015.10.088

Cite this

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title = "A study of the physical properties of single crystalline Fe5B2P",

abstract = "Single crystals of Fe5B2P were grown by self-flux growth technique. Structural and electrical and magnetic anisotropic properties are studied. The Curie temperature of Fe5B2P is determined to be 655±2 K. The saturation magnetization is determined to be 1.72μB/Fe at 2 K. The temperature variation of the anisotropy constant K1 is determined for the first time, reaching ∼0.50MJ/m3 at 2 K, and it is comparable to that of hard ferrites. The saturation magnetization is found to be larger than the hard ferrites. The first principle calculations of saturation magnetization and anisotropy constant are found to be consistent with the experimental results.",

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AU - Lamichhane, Tej N.

AU - Taufour, Valentin

AU - Thimmaiah, Srinivasa

AU - Parker, David S.

AU - Bud'Ko, Sergey L.

AU - Canfield, Paul C.

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N2 - Single crystals of Fe5B2P were grown by self-flux growth technique. Structural and electrical and magnetic anisotropic properties are studied. The Curie temperature of Fe5B2P is determined to be 655±2 K. The saturation magnetization is determined to be 1.72μB/Fe at 2 K. The temperature variation of the anisotropy constant K1 is determined for the first time, reaching ∼0.50MJ/m3 at 2 K, and it is comparable to that of hard ferrites. The saturation magnetization is found to be larger than the hard ferrites. The first principle calculations of saturation magnetization and anisotropy constant are found to be consistent with the experimental results.

AB - Single crystals of Fe5B2P were grown by self-flux growth technique. Structural and electrical and magnetic anisotropic properties are studied. The Curie temperature of Fe5B2P is determined to be 655±2 K. The saturation magnetization is determined to be 1.72μB/Fe at 2 K. The temperature variation of the anisotropy constant K1 is determined for the first time, reaching ∼0.50MJ/m3 at 2 K, and it is comparable to that of hard ferrites. The saturation magnetization is found to be larger than the hard ferrites. The first principle calculations of saturation magnetization and anisotropy constant are found to be consistent with the experimental results.

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