Influence of micro-structure in the low temperature critical currents of YBa2Cu3O7-δ thin films

J. C. Martínez; B. Dam; B. Stäuble-Pümpin; G. Doornbos; R. Surdeanu; U. Poppe; R. Griessen

doi:10.1007/bf00768516

Influence of micro-structure in the low temperature critical currents of YBa₂Cu₃O_7-δ thin films

J. C. Martínez^*, B. Dam, B. Stäuble-Pümpin, G. Doornbos, R. Surdeanu, U. Poppe, R. Griessen

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

Epitaxial YBa₂Cu₃O_7-δ films nucleate in c-axis oriented single-crystalline islands. The surface of the single-crystalline SrTiO₃ substrates exhibit steps of one third of the YBa₂Cu₃O_7-δ c-axis. These steps generate a mismatch in the island boundaries between the CuO₂ superconducting blocks. We show that these defect regions are strong candidates for being the pinning centers responsible for the large critical currents observed in Laser Ablated and Sputtered thin films.

Original language	English
Pages (from-to)	1017-1022
Number of pages	6
Journal	Journal of Low Temperature Physics
Volume	105
Issue number	3-4
DOIs	https://doi.org/10.1007/bf00768516
Publication status	Published - 1996
Externally published	Yes

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title = "Influence of micro-structure in the low temperature critical currents of YBa2Cu3O7-δ thin films",

abstract = "Epitaxial YBa2Cu3O7-δ films nucleate in c-axis oriented single-crystalline islands. The surface of the single-crystalline SrTiO3 substrates exhibit steps of one third of the YBa2Cu3O7-δ c-axis. These steps generate a mismatch in the island boundaries between the CuO2 superconducting blocks. We show that these defect regions are strong candidates for being the pinning centers responsible for the large critical currents observed in Laser Ablated and Sputtered thin films.",

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AU - Martínez, J. C.

AU - Dam, B.

AU - Stäuble-Pümpin, B.

AU - Doornbos, G.

AU - Surdeanu, R.

AU - Poppe, U.

AU - Griessen, R.

PY - 1996

Y1 - 1996

N2 - Epitaxial YBa2Cu3O7-δ films nucleate in c-axis oriented single-crystalline islands. The surface of the single-crystalline SrTiO3 substrates exhibit steps of one third of the YBa2Cu3O7-δ c-axis. These steps generate a mismatch in the island boundaries between the CuO2 superconducting blocks. We show that these defect regions are strong candidates for being the pinning centers responsible for the large critical currents observed in Laser Ablated and Sputtered thin films.

AB - Epitaxial YBa2Cu3O7-δ films nucleate in c-axis oriented single-crystalline islands. The surface of the single-crystalline SrTiO3 substrates exhibit steps of one third of the YBa2Cu3O7-δ c-axis. These steps generate a mismatch in the island boundaries between the CuO2 superconducting blocks. We show that these defect regions are strong candidates for being the pinning centers responsible for the large critical currents observed in Laser Ablated and Sputtered thin films.

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JO - Journal of Low Temperature Physics

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IS - 3-4

ER -

Influence of micro-structure in the low temperature critical currents of YBa₂Cu₃O_7-δ thin films

Abstract

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