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Observation of mult...
Observation of multiple nodal lines in SmSbTe
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- Regmi, Sabin (författare)
- Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA.
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- Dhakal, Gyanendra (författare)
- Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA.
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- Cheenicode Kabeer, Fairoja (författare)
- Uppsala universitet,Materialteori
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- Harrison, Neil (författare)
- Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
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- Kabir, Firoza (författare)
- Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA.
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- Sakhya, Anup Pradhan (författare)
- Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA.
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- Gofryk, Krzysztof (författare)
- Idaho Natl Lab, Idaho Falls, ID 83415 USA.
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- Kaczorowski, Dariusz (författare)
- Polish Acad Sci, Inst Low Temp & Struct Res, Ul Okolna 2, PL-50422 Wroclaw, Poland.
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- Oppeneer, Peter M. (författare)
- Uppsala universitet,Materialteori
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- Neupane, Madhab (författare)
- Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA.
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Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA Materialteori (creator_code:org_t)
- American Physical Society, 2022
- 2022
- Engelska.
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Ingår i: Physical Review Materials. - : American Physical Society. - 2475-9953. ; 6:3
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Having been a ground for various topological fermionic phases, the family of ZrSiS-type 111 materials has been under experimental and theoretical investigations. Within this family of materials, the subfamily LnSbTe (Ln = lanthanide elements) is gaining interest in recent times as the strong correlation effects and magnetism arising from the 4f electrons of the lanthanides can provide an important platform to study the link between topology, magnetism, and correlation. In this Letter, we report the systematic study of the electronic structure of SmSbTe-a member of the LnSbTe subfamily-by utilizing angle-resolved photoemission spectroscopy in conjunction with first-principles calculations, transport, and magnetic measurements. Our experimental results identify multiple Dirac nodes forming the nodal lines along the Gamma-X and Z-R directions in the bulk Brillouin zone (BZ) as predicted by our theoretical calculations. A surface Dirac-like state is also observed at the (X) over bar point of the surface BZ. Our study highlights SmSbTe as a promising candidate to understand the topological electronic structure of LnSbTe materials.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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