Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates

Atle Jorstad Qviller; Vitaliy Yurchenko; Jørn Inge Vestgården; Tom Henning Johansen; Yuri Galperin; Peter Mozhaev; Julia Mozhaeva; Jørn Bindslev Hansen; Claus Schelde Jacobsen

doi:10.1007/s10948-010-0915-5

Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates

Atle Jorstad Qviller, Vitaliy Yurchenko, Jørn Inge Vestgården, Tom Henning Johansen, Yuri Galperin, Peter Mozhaev, Julia Mozhaeva, Jørn Bindslev Hansen, Claus Schelde Jacobsen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

In type-II superconductors, increasing applied magnetic field penetrates gradually in the form of magnetic vortices. It is of great interest to understand the dynamics of magnetic flux in different superconducting materials, as this phenomenon can severely limit the performance of superconductors in applications. YBa2Cu3O7−x (YBCO) is an important high-temperature superconductor, but until recently, it has been hard to make wires from it due to misalignment of superconducting grains. A solution to this problem is to deposit YBCO on vicinal substrates to better align the grains. Some of these samples show a strongly intermittent flux penetration at low temperatures. In this work, we have studied flux penetration in YBCO deposited on a 14° vicinal substrate of NdGaO3 (NGO) at different temperatures.

Original language	English
Journal	Journal of Superconductivity and Novel Magnetism
Volume	24
Issue number	1-2
Pages (from-to)	179-181
ISSN	1557-1939
DOIs	https://doi.org/10.1007/s10948-010-0915-5
Publication status	Published - 2011

Keywords

Thermomagnetic instability
Magneto-optical imaging
Flux avalanches
Vicinal substrate
Miscut substrate

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Qviller, Atle Jorstad ; Yurchenko, Vitaliy ; Vestgården, Jørn Inge ; Johansen, Tom Henning ; Galperin, Yuri ; Mozhaev, Peter ; Mozhaeva, Julia ; Hansen, Jørn Bindslev ; Jacobsen, Claus Schelde. / Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates. In: Journal of Superconductivity and Novel Magnetism. 2011 ; Vol. 24, No. 1-2. pp. 179-181.

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title = "Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates",

abstract = "In type-II superconductors, increasing applied magnetic field penetrates gradually in the form of magnetic vortices. It is of great interest to understand the dynamics of magnetic flux in different superconducting materials, as this phenomenon can severely limit the performance of superconductors in applications. YBa2Cu3O7−x (YBCO) is an important high-temperature superconductor, but until recently, it has been hard to make wires from it due to misalignment of superconducting grains. A solution to this problem is to deposit YBCO on vicinal substrates to better align the grains. Some of these samples show a strongly intermittent flux penetration at low temperatures. In this work, we have studied flux penetration in YBCO deposited on a 14° vicinal substrate of NdGaO3 (NGO) at different temperatures.",

keywords = "Thermomagnetic instability, Magneto-optical imaging, Flux avalanches, Vicinal substrate, Miscut substrate",

author = "Qviller, {Atle Jorstad} and Vitaliy Yurchenko and Vestg{\aa}rden, {J{\o}rn Inge} and Johansen, {Tom Henning} and Yuri Galperin and Peter Mozhaev and Julia Mozhaeva and Hansen, {J{\o}rn Bindslev} and Jacobsen, {Claus Schelde}",

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doi = "10.1007/s10948-010-0915-5",

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Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates. / Qviller, Atle Jorstad; Yurchenko, Vitaliy; Vestgården, Jørn Inge; Johansen, Tom Henning; Galperin, Yuri; Mozhaev, Peter; Mozhaeva, Julia; Hansen, Jørn Bindslev; Jacobsen, Claus Schelde.

In: Journal of Superconductivity and Novel Magnetism, Vol. 24, No. 1-2, 2011, p. 179-181.

Research output: Contribution to journal › Journal article › Research › peer-review

TY - JOUR

T1 - Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates

AU - Qviller, Atle Jorstad

AU - Yurchenko, Vitaliy

AU - Vestgården, Jørn Inge

AU - Johansen, Tom Henning

AU - Galperin, Yuri

AU - Mozhaev, Peter

AU - Mozhaeva, Julia

AU - Hansen, Jørn Bindslev

AU - Jacobsen, Claus Schelde

PY - 2011

Y1 - 2011

N2 - In type-II superconductors, increasing applied magnetic field penetrates gradually in the form of magnetic vortices. It is of great interest to understand the dynamics of magnetic flux in different superconducting materials, as this phenomenon can severely limit the performance of superconductors in applications. YBa2Cu3O7−x (YBCO) is an important high-temperature superconductor, but until recently, it has been hard to make wires from it due to misalignment of superconducting grains. A solution to this problem is to deposit YBCO on vicinal substrates to better align the grains. Some of these samples show a strongly intermittent flux penetration at low temperatures. In this work, we have studied flux penetration in YBCO deposited on a 14° vicinal substrate of NdGaO3 (NGO) at different temperatures.

AB - In type-II superconductors, increasing applied magnetic field penetrates gradually in the form of magnetic vortices. It is of great interest to understand the dynamics of magnetic flux in different superconducting materials, as this phenomenon can severely limit the performance of superconductors in applications. YBa2Cu3O7−x (YBCO) is an important high-temperature superconductor, but until recently, it has been hard to make wires from it due to misalignment of superconducting grains. A solution to this problem is to deposit YBCO on vicinal substrates to better align the grains. Some of these samples show a strongly intermittent flux penetration at low temperatures. In this work, we have studied flux penetration in YBCO deposited on a 14° vicinal substrate of NdGaO3 (NGO) at different temperatures.

KW - Thermomagnetic instability

KW - Magneto-optical imaging

KW - Flux avalanches

KW - Vicinal substrate

KW - Miscut substrate

U2 - 10.1007/s10948-010-0915-5

DO - 10.1007/s10948-010-0915-5

M3 - Journal article

VL - 24

SP - 179

EP - 181

JO - Journal of Superconductivity and Novel Magnetism

JF - Journal of Superconductivity and Novel Magnetism

SN - 1557-1939

IS - 1-2

ER -

Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates

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Keywords

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