Nature of in situ superconducting film formation

Q. Y. Ying; H. S. Kim; D. T. Shaw; H. S. Kwok

doi:10.1063/1.101725

Nature of in situ superconducting film formation

Q. Y. Ying
, H. S. Kim
, D. T. Shaw
, H. S. Kwok

Department of Electrical Engineering

SUNY Buffalo

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

51 Scopus citations

Abstract

The resistivity of a Y-Ba-Cu-O film was monitored during laser deposition in real time. Both deposition parameters leading to in situ films and those requiring high-temperature (850°C) post-annealing were examined. It was found that in both cases, the resistivity was dependent on the oxygen partial pressure during deposition, and that filling the chamber with oxygen immediately after deposition was crucial to the formation of the superconducting phase. Oxygen outdiffusion during deposition at high temperature (600°C) was found to be the major obstacle to true in situ film formation.

Original language	English
Pages (from-to)	1041-1043
Number of pages	3
Journal	Applied Physics Letters
Volume	55
Issue number	10
DOIs	https://doi.org/10.1063/1.101725
State	Published - 1989

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title = "Nature of in situ superconducting film formation",

abstract = "The resistivity of a Y-Ba-Cu-O film was monitored during laser deposition in real time. Both deposition parameters leading to in situ films and those requiring high-temperature (850°C) post-annealing were examined. It was found that in both cases, the resistivity was dependent on the oxygen partial pressure during deposition, and that filling the chamber with oxygen immediately after deposition was crucial to the formation of the superconducting phase. Oxygen outdiffusion during deposition at high temperature (600°C) was found to be the major obstacle to true in situ film formation.",

author = "Ying, \{Q. Y.\} and Kim, \{H. S.\} and Shaw, \{D. T.\} and Kwok, \{H. S.\}",

year = "1989",

doi = "10.1063/1.101725",

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pages = "1041--1043",

journal = "Applied Physics Letters",

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AU - Ying, Q. Y.

AU - Kim, H. S.

AU - Shaw, D. T.

AU - Kwok, H. S.

PY - 1989

Y1 - 1989

N2 - The resistivity of a Y-Ba-Cu-O film was monitored during laser deposition in real time. Both deposition parameters leading to in situ films and those requiring high-temperature (850°C) post-annealing were examined. It was found that in both cases, the resistivity was dependent on the oxygen partial pressure during deposition, and that filling the chamber with oxygen immediately after deposition was crucial to the formation of the superconducting phase. Oxygen outdiffusion during deposition at high temperature (600°C) was found to be the major obstacle to true in situ film formation.

AB - The resistivity of a Y-Ba-Cu-O film was monitored during laser deposition in real time. Both deposition parameters leading to in situ films and those requiring high-temperature (850°C) post-annealing were examined. It was found that in both cases, the resistivity was dependent on the oxygen partial pressure during deposition, and that filling the chamber with oxygen immediately after deposition was crucial to the formation of the superconducting phase. Oxygen outdiffusion during deposition at high temperature (600°C) was found to be the major obstacle to true in situ film formation.

UR - https://www.scopus.com/pages/publications/0009192267

U2 - 10.1063/1.101725

DO - 10.1063/1.101725

M3 - Article

AN - SCOPUS:0009192267

SN - 0003-6951

VL - 55

SP - 1041

EP - 1043

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 10

ER -

Nature of in situ superconducting film formation

Abstract

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