Erratum: Anomalous metallic state with strong charge fluctuations in BaxTi8 O16+δ revealed by hard x-ray photoemission spectroscopy (Physical Review B (2018) 97 (165116) DOI: 10.1103/PhysRevB.97.165116)

S. Dash, T. Kajita, M. Okawa, T. Saitoh, E. Ikenaga, N. L. Saini, Takuro Katsufuji, Takashi Mizokawa

Research output: Contribution to journalComment/debate

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Abstract

We have studied a charge-orbital driven metal-insulator transition (MIT) in hollandite-type Ba x Ti 8 O 16 + d by means of hard x-ray photoemission spectroscopy (HAXPES). The Ti 2 p HAXPES indicates strong Ti3 + / Ti 4 + charge fluctuation in the metallic phase above the MIT temperature. The metallic phase is characterized by a power-law spectral function near the Fermi level which would be a signature of bad metal with non-Drude polaronic behavior. The power-law spectral shape is associated with the large Seebeck coefficient of the metallic phase in Ba x Ti 8 O 16 + d .

Original languageEnglish
Article number079901
JournalPhysical Review B
Volume99
Issue number7
DOIs
Publication statusPublished - 2019 Feb 6
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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