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

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

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Metal insulator transition
Photoelectron spectroscopy
photoelectric emission
X rays
Seebeck coefficient
Fermi level
insulators
metals
spectroscopy
Superconducting transition temperature
x rays
Metals
Seebeck effect
transition temperature
signatures
orbitals

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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

In: Physical Review B, Vol. 99, No. 7, 079901, 06.02.2019.

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 .",
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AU - Dash, S.

AU - Kajita, T.

AU - Okawa, M.

AU - Saitoh, T.

AU - Ikenaga, E.

AU - Saini, N. L.

AU - Katsufuji, Takuro

AU - Mizokawa, Takashi

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N2 - 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 .

AB - 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 .

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