Journal
PHYSICAL REVIEW B
Volume 102, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.102.214439
Keywords
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Funding
- Elements Strategy Initiative Center for Magnetic Materials (ESICMM) through the Ministry of Education, Culture, Sports, Science and Technology (MEXT) [JPMXP0112101004]
- GP-Spin at Tohoku Universit, Japan
- JSPS KAKENHI [JP18K04678]
- [SOLID21]
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In this study we investigate the finite-temperature magnetic properties of Sm2Fe17Nx (x = 0, 3) using an effective spin model constructed based on the information obtained by first-principles calculations. We find that assuming the plausible trivalent Sm3+ configuration results in a model that can satisfactorily describe the magnetization curves of Sm2Fe17N3. By contrast, the model based on the divalent Sm2+ configuration is suitable to reproduce the magnetization curves of Sm2Fe17. These results expand the understanding of how electronic structure affects the magnetic properties of these compounds.
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