Magnetic flux relaxation of epitaxial YBa2Cu3O7-δ films at low temperatures.

J. Lensink; C. F.J. Flipse; J. Roobeek; R. Griessen; B. Dam

doi:10.1016/0921-4534(89)91198-2

Magnetic flux relaxation of epitaxial YBa₂Cu₃O_7-δ films at low temperatures.

J. Lensink, C. F.J. Flipse, J. Roobeek, R. Griessen, B. Dam

ChemE/Chemical Engineering

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

16 Citations (Scopus)

Abstract

In this paper we present magnetic flux relaxation mea critical current J_c measurements on epitaxial coevaporated films of YBa₂Cu₃O_7-δ superconductor. We measured a critical current of 3.5 * 10¹¹ A/m² at 4.2 K and 1.3 * 10¹⁰ A/m² at 77 K. J_c depends strongly on the magnetic field B for B applied perpendicularly to the surface. The magnetization relaxation M(t) is logarithmic in time. In contrast to single crystals and polycrystalline samples the normalized magnetization relaxation tends towards a constant value at low temperatures and is weakly field-dependent.

Original language	English
Pages (from-to)	663-664
Number of pages	2
Journal	Physica C: Superconductivity and its Applications
Volume	162-164
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-4534(89)91198-2
Publication status	Published - Dec 1989

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title = "Magnetic flux relaxation of epitaxial YBa2Cu3O7-δ films at low temperatures.",

abstract = "In this paper we present magnetic flux relaxation mea critical current Jc measurements on epitaxial coevaporated films of YBa2Cu3O7-δ superconductor. We measured a critical current of 3.5 * 1011 A/m2 at 4.2 K and 1.3 * 1010 A/m2 at 77 K. Jc depends strongly on the magnetic field B for B applied perpendicularly to the surface. The magnetization relaxation M(t) is logarithmic in time. In contrast to single crystals and polycrystalline samples the normalized magnetization relaxation tends towards a constant value at low temperatures and is weakly field-dependent.",

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AU - Lensink, J.

AU - Flipse, C. F.J.

AU - Roobeek, J.

AU - Griessen, R.

AU - Dam, B.

PY - 1989/12

Y1 - 1989/12

N2 - In this paper we present magnetic flux relaxation mea critical current Jc measurements on epitaxial coevaporated films of YBa2Cu3O7-δ superconductor. We measured a critical current of 3.5 * 1011 A/m2 at 4.2 K and 1.3 * 1010 A/m2 at 77 K. Jc depends strongly on the magnetic field B for B applied perpendicularly to the surface. The magnetization relaxation M(t) is logarithmic in time. In contrast to single crystals and polycrystalline samples the normalized magnetization relaxation tends towards a constant value at low temperatures and is weakly field-dependent.

AB - In this paper we present magnetic flux relaxation mea critical current Jc measurements on epitaxial coevaporated films of YBa2Cu3O7-δ superconductor. We measured a critical current of 3.5 * 1011 A/m2 at 4.2 K and 1.3 * 1010 A/m2 at 77 K. Jc depends strongly on the magnetic field B for B applied perpendicularly to the surface. The magnetization relaxation M(t) is logarithmic in time. In contrast to single crystals and polycrystalline samples the normalized magnetization relaxation tends towards a constant value at low temperatures and is weakly field-dependent.

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JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 1

ER -

Magnetic flux relaxation of epitaxial YBa₂Cu₃O_7-δ films at low temperatures.

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