Journal
PHYSICAL REVIEW B
Volume 97, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.97.235122
Keywords
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Funding
- Helmholtz Society [VH-NG-840]
- Swiss National Science Foundation [200021_165529]
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We investigate the three-dimensional electronic structure of the seminal charge-density-wave (CDW) material 2H-NbSe2 by soft x-ray angle-resolved photoelectron spectroscopy and density functional theory. Our results reveal the pronounced 3D character of the electronic structure formed in the quasi-two-dimensional layered crystal structure. In particular, we find a strong dispersion along k(z) excluding a nesting-driven CDW formation based on experimental data. The 3D-like band structure of 2H-NbSe2 has strong implications for the intriguing phase competition of CDW order with superconductivity.
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