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

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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10.1016/0921-4534(89)90151-2

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

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