Oxygen K-edge fine structure of TlBa2Ca1-xYxCu2O7 studied by electron energy loss spectroscopy

D. Shindo; K. Hiraga; S. Nakajima; M. Kikuchi; Y. Syono; N. Kobayashi; K. Hojou; T. Soga; S. Furuno; H. Otsu

doi:10.1016/0921-4534(89)90151-2

Oxygen K-edge fine structure of TlBa₂Ca_1-xY_xCu₂O₇ studied by electron energy loss spectroscopy

D. Shindo, K. Hiraga, S. Nakajima, M. Kikuchi, Y. Syono, N. Kobayashi, K. Hojou, T. Soga, S. Furuno, H. Otsu

Center for Advanced Microscopy and Spectroscopy

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

The fine structures of the oxygen K-edge in TlBa₂Ca_1-xY_xCu₂O₇ (x=0, 0.8 and 1.0) with single Tl-O laye rs were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy decreases with the increase of the Y content. Although a small density of the hole state is observable in the compound Tl₁Ba₂Ca_0.2Y_0.8Cu₂O₇, it s hows the semiconducting character. It was pointed out that the decrease of the hole content mainly results in the transition from superconductor to semiconductor in the compound Tl₁Ba₂Ca_1-xY_xCu₂O₇.

Original language	English
Pages (from-to)	794-796
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	159
Issue number	6
DOIs	https://doi.org/10.1016/0921-4534(89)90151-2
Publication status	Published - 1989 Aug 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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Oxygen K-edge fine structure of TlBa₂Ca_1-xY_xCu₂O₇ studied by electron energy loss spectroscopy. / Shindo, D.; Hiraga, K.; Nakajima, S.; Kikuchi, M.; Syono, Y.; Kobayashi, N.; Hojou, K.; Soga, T.; Furuno, S.; Otsu, H.

In: Physica C: Superconductivity and its applications, Vol. 159, No. 6, 01.08.1989, p. 794-796.

Research output: Contribution to journal › Article › peer-review

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title = "Oxygen K-edge fine structure of TlBa2Ca1-xYxCu2O7 studied by electron energy loss spectroscopy",

abstract = "The fine structures of the oxygen K-edge in TlBa2Ca1-xYxCu2O7 (x=0, 0.8 and 1.0) with single Tl-O laye rs were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy decreases with the increase of the Y content. Although a small density of the hole state is observable in the compound Tl1Ba2Ca0.2Y0.8Cu2O7, it s hows the semiconducting character. It was pointed out that the decrease of the hole content mainly results in the transition from superconductor to semiconductor in the compound Tl1Ba2Ca1-xYxCu2O7.",

author = "D. Shindo and K. Hiraga and S. Nakajima and M. Kikuchi and Y. Syono and N. Kobayashi and K. Hojou and T. Soga and S. Furuno and H. Otsu",

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T1 - Oxygen K-edge fine structure of TlBa2Ca1-xYxCu2O7 studied by electron energy loss spectroscopy

AU - Shindo, D.

AU - Hiraga, K.

AU - Nakajima, S.

AU - Kikuchi, M.

AU - Syono, Y.

AU - Kobayashi, N.

AU - Hojou, K.

AU - Soga, T.

AU - Furuno, S.

AU - Otsu, H.

PY - 1989/8/1

Y1 - 1989/8/1

N2 - The fine structures of the oxygen K-edge in TlBa2Ca1-xYxCu2O7 (x=0, 0.8 and 1.0) with single Tl-O laye rs were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy decreases with the increase of the Y content. Although a small density of the hole state is observable in the compound Tl1Ba2Ca0.2Y0.8Cu2O7, it s hows the semiconducting character. It was pointed out that the decrease of the hole content mainly results in the transition from superconductor to semiconductor in the compound Tl1Ba2Ca1-xYxCu2O7.

AB - The fine structures of the oxygen K-edge in TlBa2Ca1-xYxCu2O7 (x=0, 0.8 and 1.0) with single Tl-O laye rs were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy decreases with the increase of the Y content. Although a small density of the hole state is observable in the compound Tl1Ba2Ca0.2Y0.8Cu2O7, it s hows the semiconducting character. It was pointed out that the decrease of the hole content mainly results in the transition from superconductor to semiconductor in the compound Tl1Ba2Ca1-xYxCu2O7.

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