Comment on "Direct evidence for hidden one-dimensional Fermi surface of hexagonal K0.25WO3"

Details Comment on "Direct evidence for hidden one-dimensional Fermi surface of hexagonal K0.25WO3" Comment on "Direct evidence for hidden one-dimensional Fermi surface of hexagonal K0.25WO3"

2009-05-07

arxiv.org/abs/0905.1031v1

Inorg. Chem. 48 (2009) 11492--11494

Physics

Chemical Physics

Scientific paper

10.1021/ic901725f

We comment a recent work titled "Direct evidence for hidden one-dimensional Fermi surface of hexagonal K0.25WO3". In this paper the authors report photoemission and theoretical results on the K0.25WO3 system which led them to propose that a Charge Density Wave (CDW), associated with hidden one-dimensional bands, was responsible for the well known resistivity anomaly in such system. In the present comment we report the results of a first principles density functional theory (DFT) study showing that there are no one-dimensional bands as suggested by these authors.

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