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|a 10.1002/adma.202411733
|2 doi
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|a pubmed25n1265.xml
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|a (DE-627)NLM379983885
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|a (NLM)39511864
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|a eng
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|a Cai, Yongqing
|e verfasserin
|4 aut
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|a Observation of Highly Spin-Polarized Dangling Bond Surface States in Rare-Earth Pnictide Tellurides
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|c 2025
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 08.01.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a To generate and manipulate spin-polarized electronic states in solids are crucial for modern spintronics. The textbook routes employ quantum well states or Shockley/topological type surface states whose spin degeneracy is lifted by strong spin-orbit coupling and inversion symmetry breaking at the surface/interface. The resultant spin polarization is usually truncated because of the intertwining between multiple orbitals. Here a unique type of surface states is realized, namely, dangling bond surface states in a family of ternary rare-earth pnictide tellurides RePnTe (Re = La, Gd, Ce; Pn = Sb, Bi), with robust band structure and sizeable spin splitting. Spin and angle-resolved photoemission spectroscopy measurements reveal high spin polarization and distinct spin-momentum locking texture, which, according to the theoretical analysis, arise from local site asymmetry and surface-purified spin-orbital texture. The work extends the so-called "hidden spin polarization" from the bulk to the surface, presenting an intriguing spin-orbital-momentum-layer locking phenomenon, which may shed lights on potential spintronic applications
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|a Journal Article
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|a dangling bond surface state
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|a site asymmetry
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|a spin splitting
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|a spin‐orbit coupling
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|a spin‐orbital‐momentum‐layer locking
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|a Zhang, Jing
|e verfasserin
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|a Zha, Heming
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|a Zhang, Fayuan
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|a Wang, Yuan
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|a Chen, Weizhao
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|a Hao, Zhanyang
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|a Deng, Liwei
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|a Liu, Wenjing
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|a Rong, Hongtao
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|a Jiang, Zhicheng
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|a Yang, Yichen
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|a Jiang, Qi
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|a Liu, Zhengtai
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|a Ye, Mao
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|a Rienks, E D L
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|a Huang, Yaobo
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|a Guo, Shu
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|a Lin, Junhao
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|a Wang, Le
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|a Liu, Qihang
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|a Qiao, Shan
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|a Chen, Chaoyu
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 1 vom: 07. Jan., Seite e2411733
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:37
|g year:2025
|g number:1
|g day:07
|g month:01
|g pages:e2411733
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|u http://dx.doi.org/10.1002/adma.202411733
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