Direct observation of multiband charge density waves in NbTe2
- Authors
- Jang, Won-Jun; Sim, Junyoung; Heo, Jin Eun; Noh, Heeyoon; Kim, Ryung; Chang, Seo Hyoung; Jeon, Sangjun; Kim, Hyo Won
- Issue Date
- Sep-2022
- Publisher
- American Physical Society
- Citation
- Physical Review B, v.106, no.12
- Journal Title
- Physical Review B
- Volume
- 106
- Number
- 12
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/59300
- DOI
- 10.1103/PhysRevB.106.125110
- ISSN
- 2469-9950
2469-9969
- Abstract
- The electronic structure of periodic lattice distortion (PLD) in NbTe2 was examined using low-temperature scanning tunneling spectroscopy and microscopy. The striped PLDs with 3×1 and 1×92 superstructures were characterized in real and reciprocal space. The simultaneous formation of momentum-specific suppressions in the spectral weight and phase shifts of the wavefront related to the superstructures were observed at multiple energies. These unusual energy dependencies are well agreed with the charge density waves (CDWs) formed in the multiband electronic structure of NbTe2. Fermi-surface nesting and reconstruction of the reciprocal lattice were suggested in developing the multiband CDWs in NbTe2. © 2022 American Physical Society.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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