Analytical transmission electron microscopy of thick YBa 2Cu 3O 7-δ films on rabits

Keith J. Leonard; Sukill Kang; Byeongwon Kang; Amit Goyal; Donald M. Kroeger

Analytical transmission electron microscopy of thick YBa ₂Cu ₃O _7-δ films on rabits

Keith J. Leonard^*
, Sukill Kang
, Byeongwon Kang
, Amit Goyal
, Donald M. Kroeger

^*Corresponding author for this work

Department of Physics

Oak Ridge National Laboratory
Pohang University of Science and Technology

Research output: Contribution to conference › Paper › peer-review

Abstract

Microstructural changes related to the critical current density dependence on film thickness in superconducting YBa ₂Cu ₃O _7-δ (YBCO) films have been investigated through electron microscopy. Pulsed laser deposited YBCO films ranging in thickness from 0.19 to 6.4 μm were grown on rolling assisted biaxially textured substrates (RABiTS) having two different buffer layer architectures. Remarkable improvements in the YBCO microstructure were observed in samples deposited on Ni-3%W, with a thick Y ₂O ₃ seed layer. Films grown on this structure showed little random oriented grain formations along with minimal interfacial reactions. The causes of reduced performance with increased film thickness will be addressed for both RABiTS architectures.

Original language	English
Pages	113-122
Number of pages	10
State	Published - 2004
Event	Fabrication of Long-Length and Bulk High-Temperature Superconductors - Nashville, TN., United States Duration: 2003.04.27 → 2003.04.30

Conference

Conference	Fabrication of Long-Length and Bulk High-Temperature Superconductors
Country/Territory	United States
City	Nashville, TN.
Period	03.04.27 → 03.04.30

Cite this

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title = "Analytical transmission electron microscopy of thick YBa 2Cu 3O 7-δ films on rabits",

abstract = "Microstructural changes related to the critical current density dependence on film thickness in superconducting YBa 2Cu 3O 7-δ (YBCO) films have been investigated through electron microscopy. Pulsed laser deposited YBCO films ranging in thickness from 0.19 to 6.4 μm were grown on rolling assisted biaxially textured substrates (RABiTS) having two different buffer layer architectures. Remarkable improvements in the YBCO microstructure were observed in samples deposited on Ni-3\%W, with a thick Y 2O 3 seed layer. Films grown on this structure showed little random oriented grain formations along with minimal interfacial reactions. The causes of reduced performance with increased film thickness will be addressed for both RABiTS architectures.",

author = "Leonard, \{Keith J.\} and Sukill Kang and Byeongwon Kang and Amit Goyal and Kroeger, \{Donald M.\}",

year = "2004",

language = "English",

pages = "113--122",

note = "Fabrication of Long-Length and Bulk High-Temperature Superconductors ; Conference date: 27-04-2003 Through 30-04-2003",

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TY - CONF

T1 - Analytical transmission electron microscopy of thick YBa 2Cu 3O 7-δ films on rabits

AU - Leonard, Keith J.

AU - Kang, Sukill

AU - Kang, Byeongwon

AU - Goyal, Amit

AU - Kroeger, Donald M.

PY - 2004

Y1 - 2004

N2 - Microstructural changes related to the critical current density dependence on film thickness in superconducting YBa 2Cu 3O 7-δ (YBCO) films have been investigated through electron microscopy. Pulsed laser deposited YBCO films ranging in thickness from 0.19 to 6.4 μm were grown on rolling assisted biaxially textured substrates (RABiTS) having two different buffer layer architectures. Remarkable improvements in the YBCO microstructure were observed in samples deposited on Ni-3%W, with a thick Y 2O 3 seed layer. Films grown on this structure showed little random oriented grain formations along with minimal interfacial reactions. The causes of reduced performance with increased film thickness will be addressed for both RABiTS architectures.

AB - Microstructural changes related to the critical current density dependence on film thickness in superconducting YBa 2Cu 3O 7-δ (YBCO) films have been investigated through electron microscopy. Pulsed laser deposited YBCO films ranging in thickness from 0.19 to 6.4 μm were grown on rolling assisted biaxially textured substrates (RABiTS) having two different buffer layer architectures. Remarkable improvements in the YBCO microstructure were observed in samples deposited on Ni-3%W, with a thick Y 2O 3 seed layer. Films grown on this structure showed little random oriented grain formations along with minimal interfacial reactions. The causes of reduced performance with increased film thickness will be addressed for both RABiTS architectures.

UR - https://www.scopus.com/pages/publications/2642571185

M3 - Paper

AN - SCOPUS:2642571185

SP - 113

EP - 122

T2 - Fabrication of Long-Length and Bulk High-Temperature Superconductors

Y2 - 27 April 2003 through 30 April 2003

ER -

Analytical transmission electron microscopy of thick YBa ₂Cu ₃O _7-δ films on rabits

Abstract

Conference

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