Plasma oxidation of the high Tc superconducting perovskites

B. G. Bagley; L. H. Greene; J. M. Tarascon; G. W. Hull

doi:10.1063/1.98367

Plasma oxidation of the high T_c superconducting perovskites

B. G. Bagley, L. H. Greene, J. M. Tarascon, G. W. Hull

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Abstract

A near room-temperature plasma oxidation process is shown to restore superconductivity and metalliclike behavior in oxygen deficient La_2-x Sr_x CuO_4-y and YBa₂Cu₃O _7-x compounds. In the YBa₂Cu₃O_7-x compound the conversion from an oxygen deficient n-type tetragonal to the p-type orthorhombic phase with a concomitant factor of 5×10⁵ increase in room-temperature conductivity is also accomplished. This process is of technological importance because oxygen can be restored in these materials at temperatures compatible with device processing. Of scientific interest, the process allows us to carefully control the oxidation state and thereby systematically study the 90 and 55 K superconducting transitions in YBa ₂Cu₃O_7-x.

Original language	English (US)
Pages (from-to)	622-624
Number of pages	3
Journal	Applied Physics Letters
Volume	51
Issue number	8
DOIs	https://doi.org/10.1063/1.98367
State	Published - 1987
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.98367

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Cite this

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title = "Plasma oxidation of the high Tc superconducting perovskites",

abstract = "A near room-temperature plasma oxidation process is shown to restore superconductivity and metalliclike behavior in oxygen deficient La2-x Srx CuO4-y and YBa2Cu3O 7-x compounds. In the YBa2Cu3O7-x compound the conversion from an oxygen deficient n-type tetragonal to the p-type orthorhombic phase with a concomitant factor of 5×105 increase in room-temperature conductivity is also accomplished. This process is of technological importance because oxygen can be restored in these materials at temperatures compatible with device processing. Of scientific interest, the process allows us to carefully control the oxidation state and thereby systematically study the 90 and 55 K superconducting transitions in YBa 2Cu3O7-x.",

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T1 - Plasma oxidation of the high Tc superconducting perovskites

AU - Bagley, B. G.

AU - Greene, L. H.

AU - Tarascon, J. M.

AU - Hull, G. W.

PY - 1987

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N2 - A near room-temperature plasma oxidation process is shown to restore superconductivity and metalliclike behavior in oxygen deficient La2-x Srx CuO4-y and YBa2Cu3O 7-x compounds. In the YBa2Cu3O7-x compound the conversion from an oxygen deficient n-type tetragonal to the p-type orthorhombic phase with a concomitant factor of 5×105 increase in room-temperature conductivity is also accomplished. This process is of technological importance because oxygen can be restored in these materials at temperatures compatible with device processing. Of scientific interest, the process allows us to carefully control the oxidation state and thereby systematically study the 90 and 55 K superconducting transitions in YBa 2Cu3O7-x.

AB - A near room-temperature plasma oxidation process is shown to restore superconductivity and metalliclike behavior in oxygen deficient La2-x Srx CuO4-y and YBa2Cu3O 7-x compounds. In the YBa2Cu3O7-x compound the conversion from an oxygen deficient n-type tetragonal to the p-type orthorhombic phase with a concomitant factor of 5×105 increase in room-temperature conductivity is also accomplished. This process is of technological importance because oxygen can be restored in these materials at temperatures compatible with device processing. Of scientific interest, the process allows us to carefully control the oxidation state and thereby systematically study the 90 and 55 K superconducting transitions in YBa 2Cu3O7-x.

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