Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer
Chiral magnons in altermagnets have attracted significant attention due to their unique spin transport phenomenon in the absence of strong spin–orbit coupling. Here, we explore a novel structure, square lattice Janus Mn2SeTe (s-Mn2SeTe) monolayer, derived from the antiferromagnetic square lattice Mn...
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| Language: | English |
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Elsevier
2024-12-01
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| Series: | Computational Materials Today |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2950463524000218 |
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| author | Haodong Yu Wanxiang Feng Fawei Zheng Yugui Yao |
| author_facet | Haodong Yu Wanxiang Feng Fawei Zheng Yugui Yao |
| author_sort | Haodong Yu |
| collection | DOAJ |
| description | Chiral magnons in altermagnets have attracted significant attention due to their unique spin transport phenomenon in the absence of strong spin–orbit coupling. Here, we explore a novel structure, square lattice Janus Mn2SeTe (s-Mn2SeTe) monolayer, derived from the antiferromagnetic square lattice MnSe monolayer. Based on first-principles calculations, we investigate the electronic and magnetic properties of s-Mn2SeTe, revealing its altermagnetic nature and the presence of non-degenerate chiral magnons. We further demonstrate that the manipulation of exchange parameters through lattice strain and carrier doping in altermagnetic s-Mn2SeTe has a substantial impact on the chiral magnons. This strategy modulates both the spin Seebeck effect and spin transverse transport, potentially even reversing their transport direction. Our findings enhance understanding of altermagnetic properties, suggesting new applications in spintronics. |
| format | Article |
| id | doaj-art-7b5a2cc420b64297959ffb472ce595ff |
| institution | DOAJ |
| issn | 2950-4635 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Computational Materials Today |
| spelling | doaj-art-7b5a2cc420b64297959ffb472ce595ff2025-08-20T02:41:08ZengElsevierComputational Materials Today2950-46352024-12-01410002110.1016/j.commt.2024.100021Chiral magnons in an altermagnetic Janus Mn2SeTe MonolayerHaodong Yu0Wanxiang Feng1Fawei Zheng2Yugui Yao3Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China; Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China; International Center for Quantum Materials, Beijing Institute of Technology, Zhuhai 519000, ChinaCentre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China; Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China; International Center for Quantum Materials, Beijing Institute of Technology, Zhuhai 519000, ChinaCorresponding authors.; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China; Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China; International Center for Quantum Materials, Beijing Institute of Technology, Zhuhai 519000, ChinaCorresponding authors.; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China; Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China; International Center for Quantum Materials, Beijing Institute of Technology, Zhuhai 519000, ChinaChiral magnons in altermagnets have attracted significant attention due to their unique spin transport phenomenon in the absence of strong spin–orbit coupling. Here, we explore a novel structure, square lattice Janus Mn2SeTe (s-Mn2SeTe) monolayer, derived from the antiferromagnetic square lattice MnSe monolayer. Based on first-principles calculations, we investigate the electronic and magnetic properties of s-Mn2SeTe, revealing its altermagnetic nature and the presence of non-degenerate chiral magnons. We further demonstrate that the manipulation of exchange parameters through lattice strain and carrier doping in altermagnetic s-Mn2SeTe has a substantial impact on the chiral magnons. This strategy modulates both the spin Seebeck effect and spin transverse transport, potentially even reversing their transport direction. Our findings enhance understanding of altermagnetic properties, suggesting new applications in spintronics.http://www.sciencedirect.com/science/article/pii/S2950463524000218AltermagnetismChiral magnonJanus structure |
| spellingShingle | Haodong Yu Wanxiang Feng Fawei Zheng Yugui Yao Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer Computational Materials Today Altermagnetism Chiral magnon Janus structure |
| title | Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer |
| title_full | Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer |
| title_fullStr | Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer |
| title_full_unstemmed | Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer |
| title_short | Chiral magnons in an altermagnetic Janus Mn2SeTe Monolayer |
| title_sort | chiral magnons in an altermagnetic janus mn2sete monolayer |
| topic | Altermagnetism Chiral magnon Janus structure |
| url | http://www.sciencedirect.com/science/article/pii/S2950463524000218 |
| work_keys_str_mv | AT haodongyu chiralmagnonsinanaltermagneticjanusmn2setemonolayer AT wanxiangfeng chiralmagnonsinanaltermagneticjanusmn2setemonolayer AT faweizheng chiralmagnonsinanaltermagneticjanusmn2setemonolayer AT yuguiyao chiralmagnonsinanaltermagneticjanusmn2setemonolayer |