The mechanism of surface decomposition of Tl and Hg-containing superconductors

Wuzong Zhou; DA Jefferson; WY Liang; GB Peacock; A Asab; I Gameson; PP Edwards

The mechanism of surface decomposition of Tl and Hg-containing superconductors

Wuzong Zhou, DA Jefferson, WY Liang, GB Peacock, A Asab, I Gameson, PP Edwards

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

Abstract

The surface chemistry of various Tl- and Hg-containing superconducting oxides has been studied by high resolution transmission electron microscopy. The mechanism of surface decomposition of these materials is discussed. High chemical reactivity of the Tl-O and Hg-O layers seem to be the main course of the decomposition. It is proposed that a surface substitution of Tl and Hg may stabilise the structures without losing superconducting properties.

Original language	English
Pages (from-to)	13-14
Number of pages	2
Journal	Journal of Superconductivity
Volume	11
Publication status	Published - Feb 1998

Keywords

surface
superconductors
decomposition
electron microscopy

Cite this

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title = "The mechanism of surface decomposition of Tl and Hg-containing superconductors",

abstract = "The surface chemistry of various Tl- and Hg-containing superconducting oxides has been studied by high resolution transmission electron microscopy. The mechanism of surface decomposition of these materials is discussed. High chemical reactivity of the Tl-O and Hg-O layers seem to be the main course of the decomposition. It is proposed that a surface substitution of Tl and Hg may stabilise the structures without losing superconducting properties.",

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AU - Zhou, Wuzong

AU - Jefferson, DA

AU - Liang, WY

AU - Peacock, GB

AU - Asab, A

AU - Gameson, I

AU - Edwards, PP

PY - 1998/2

Y1 - 1998/2

N2 - The surface chemistry of various Tl- and Hg-containing superconducting oxides has been studied by high resolution transmission electron microscopy. The mechanism of surface decomposition of these materials is discussed. High chemical reactivity of the Tl-O and Hg-O layers seem to be the main course of the decomposition. It is proposed that a surface substitution of Tl and Hg may stabilise the structures without losing superconducting properties.

AB - The surface chemistry of various Tl- and Hg-containing superconducting oxides has been studied by high resolution transmission electron microscopy. The mechanism of surface decomposition of these materials is discussed. High chemical reactivity of the Tl-O and Hg-O layers seem to be the main course of the decomposition. It is proposed that a surface substitution of Tl and Hg may stabilise the structures without losing superconducting properties.

KW - surface

KW - superconductors

KW - decomposition

KW - electron microscopy

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M3 - Article

SN - 0896-1107

VL - 11

SP - 13

EP - 14

JO - Journal of Superconductivity

JF - Journal of Superconductivity

ER -

The mechanism of surface decomposition of Tl and Hg-containing superconductors

Abstract

Keywords

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