Thickness dependence of the magnetic properties in YBa2Cu3O7-δ thin films

R. Prozorov; E. Sheriff; Y. Yeshurun; A. Shaulov

doi:10.1016/S0921-4534(97)01174-X

Thickness dependence of the magnetic properties in YBa₂Cu₃O_7-δ thin films

R. Prozorov, E. Sheriff, Y. Yeshurun, A. Shaulov

Department of Physics

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

Abstract

We report on magnetization measurements in laser ablated YBa₂Cu₃O_7-δ films with thickness 800 - 3000 Å. The persistent current density j and the magnetic relaxation rate decrease with increase of the thickness. At certain conditions this leads to a crossing of the relaxation curves measured in films of different thickness. These results are explained considering surface effects which cause a non-homogeneous distribution of j along the film thickness.

Original language	English
Pages (from-to)	2215-2216
Number of pages	2
Journal	Physica C: Superconductivity and its Applications
Volume	282
Issue number	PART 4
DOIs	https://doi.org/10.1016/S0921-4534(97)01174-X
State	Published - Aug 1997

Bibliographical note

Funding Information:
Acknowledgments: We are grateful to E. Sonin and V. Vinokur for useful discussions. This work was partially supported by The Israeli Science Foundations and the Heinrich Hertz Minerva Center for high - temperature superconductivity. Y. Y. acknowledges support from USA-Israel Binational Science Foundation. R. P. acknowledges support from the Clore Foundations.

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title = "Thickness dependence of the magnetic properties in YBa2Cu3O7-δ thin films",

abstract = "We report on magnetization measurements in laser ablated YBa2Cu3O7-δ films with thickness 800 - 3000 {\AA}. The persistent current density j and the magnetic relaxation rate decrease with increase of the thickness. At certain conditions this leads to a crossing of the relaxation curves measured in films of different thickness. These results are explained considering surface effects which cause a non-homogeneous distribution of j along the film thickness.",

author = "R. Prozorov and E. Sheriff and Y. Yeshurun and A. Shaulov",

note = "Funding Information: Acknowledgments: We are grateful to E. Sonin and V. Vinokur for useful discussions. This work was partially supported by The Israeli Science Foundations and the Heinrich Hertz Minerva Center for high - temperature superconductivity. Y. Y. acknowledges support from USA-Israel Binational Science Foundation. R. P. acknowledges support from the Clore Foundations.",

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AU - Prozorov, R.

AU - Sheriff, E.

AU - Yeshurun, Y.

AU - Shaulov, A.

N1 - Funding Information: Acknowledgments: We are grateful to E. Sonin and V. Vinokur for useful discussions. This work was partially supported by The Israeli Science Foundations and the Heinrich Hertz Minerva Center for high - temperature superconductivity. Y. Y. acknowledges support from USA-Israel Binational Science Foundation. R. P. acknowledges support from the Clore Foundations.

PY - 1997/8

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N2 - We report on magnetization measurements in laser ablated YBa2Cu3O7-δ films with thickness 800 - 3000 Å. The persistent current density j and the magnetic relaxation rate decrease with increase of the thickness. At certain conditions this leads to a crossing of the relaxation curves measured in films of different thickness. These results are explained considering surface effects which cause a non-homogeneous distribution of j along the film thickness.

AB - We report on magnetization measurements in laser ablated YBa2Cu3O7-δ films with thickness 800 - 3000 Å. The persistent current density j and the magnetic relaxation rate decrease with increase of the thickness. At certain conditions this leads to a crossing of the relaxation curves measured in films of different thickness. These results are explained considering surface effects which cause a non-homogeneous distribution of j along the film thickness.

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IS - PART 4

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Thickness dependence of the magnetic properties in YBa₂Cu₃O_7-δ thin films

Abstract

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