Journal
PHYSICAL REVIEW LETTERS
Volume 122, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.017601
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Funding
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0012704]
- Diamond Light Source [NT11039, SI13797, NT17065, MT8776]
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The charge density wave (CDW) in ZrTe3 is quenched in samples with a small amount of Te isoelectronically substituted by Se. Using angle-resolved photoemission spectroscopy we observe subtle changes in the electronic band dispersions and Fermi surfaces upon Se substitution. The scattering rates are substantially increased, in particular for the large three-dimensional Fermi surface sheet. The quasi-one-dimensional band is unaffected by the substitution and still shows a gap at low temperature, which starts to open from room temperature. Long-range order is, however, absent in the electronic states as in the periodic lattice distortion. The competition between superconductivity and the CDW is thus linked to the suppression of long-range order of the CDW.
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