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journal article·2016-05-01Open access

Electronic structures of MnB soft magnet

Jihoon Park, Yang-Ki Hong, Hyun-Kyu Kim, Woncheol Lee, Chang-Dong Yeo, Seong-Gon Kim, Myung-Hwa Jung, Chul-Jin Choi, Oleg N. Mryasov

AIP Advances· Volume 6· Issue 5
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Source abstract

Abstract

We have calculated the electronic structure of MnB using first-principles calculations based on the density functional theory within the local-spin-density approximation. The temperature dependence of saturation magnetization [Ms(T)] was calculated by mean field approximation. The calculated density of states (DOS) shows that the energy region near the Fermi energy (EF) is mostly attributed to the d bands of Mn. The saturation magnetizations (Ms) of MnB were calculated to be 964.5 emu/cm3 (1.21 T) at 0 K and 859.3 emu/cm3 (1.08 T) at 300 K. The calculated Ms at 300 K is in good agreement with experimental Ms of 851.5 emu/cm3.
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Research context

OpenAlex topics: Magnetic Properties of Alloys · Magnetic properties of thin films · Rare-earth and actinide compounds

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Affiliations

The University of Alabama 1 Department of Electrical and Computer Engineering and MINT Center, , Tuscaloosa, Alabama 35487, USA

Texas Tech University 2 Department of Mechanical Engineering, , Lubbock, TX 79409, USA

Mississippi State University 3 Department of Physics & Astronomy and Center for Computational Sciences, , Mississippi State, Mississippi 39792, USA

Sogang University 4 Department of Physics, , Seoul 121-742, South Korea

Korea Institute of Materials Science 5 , Changwon, Kyung-Nam, South Korea

The University of Alabama 6 Department of Physics and Astronomy and MINT Center, , Tuscaloosa, Alabama 35487, USA

Funding

Division of Civil, Mechanical and Manufacturing Innovation

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