Transmission electron microscopy of Ba0.7Sr 0.3TiO3/YBa2Cu3O 7-δ epitaxial films on (0 0 1) SrTiO3 substrates

X. Y. Qi; H. Yang; X. Kong; G. Q. Hu; X. F. Duan; B. R. Zhao

doi:10.1016/j.jcrysgro.2003.10.039

Transmission electron microscopy of Ba_0.7Sr _0.3TiO₃/YBa₂Cu₃O _7-δ epitaxial films on (0 0 1) SrTiO₃ substrates

X. Y. Qi^*
, H. Yang
, X. Kong
, G. Q. Hu
, X. F. Duan
, B. R. Zhao

^*此作品的通讯作者

CAS - Institute of Physics
Dalian University of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

1 引用（Scopus）

摘要

Interface structures of Ba_0.7Sr_0.3TiO ₃/YBa₂Cu₃O_7-δ (BST/YBCO) films epitaxially grown on (0 0 1) SrTiO₃ substrate by DC magnetron sputtering and pulsed laser deposition are investigated by transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). A step-terrace structure was formed at the interfaces of BST/YBCO. Investigation shows that a perfect single crystalline epilayer of BST is achieved. Strained-layer step-flow growth mechanism is proposed for BST epilayer grown on YBCO surface with a mismatch between the BST and the YBCO epilayers.

源语言	英语
页（从-至）	353-358
页数	6
期刊	Journal of Crystal Growth
卷	262
期	1-4
DOI	https://doi.org/10.1016/j.jcrysgro.2003.10.039
出版状态	已出版 - 15 2月 2004
已对外发布	是

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@article{03a3c1c06fc941a9be8a4474b41fb21a,

title = "Transmission electron microscopy of Ba0.7Sr 0.3TiO3/YBa2Cu3O 7-δ epitaxial films on (0 0 1) SrTiO3 substrates",

abstract = "Interface structures of Ba0.7Sr0.3TiO 3/YBa2Cu3O7-δ (BST/YBCO) films epitaxially grown on (0 0 1) SrTiO3 substrate by DC magnetron sputtering and pulsed laser deposition are investigated by transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). A step-terrace structure was formed at the interfaces of BST/YBCO. Investigation shows that a perfect single crystalline epilayer of BST is achieved. Strained-layer step-flow growth mechanism is proposed for BST epilayer grown on YBCO surface with a mismatch between the BST and the YBCO epilayers.",

keywords = "A1. Transmission electron microscopy, A3. Laser epitaxy, A3. Step-flow growth, B1. Perovskites, B2. Superconducting materials",

author = "Qi, \{X. Y.\} and H. Yang and X. Kong and Hu, \{G. Q.\} and Duan, \{X. F.\} and Zhao, \{B. R.\}",

year = "2004",

month = feb,

day = "15",

doi = "10.1016/j.jcrysgro.2003.10.039",

language = "英语",

volume = "262",

pages = "353--358",

journal = "Journal of Crystal Growth",

issn = "0022-0248",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Transmission electron microscopy of Ba0.7Sr 0.3TiO3/YBa2Cu3O 7-δ epitaxial films on (0 0 1) SrTiO3 substrates

AU - Qi, X. Y.

AU - Yang, H.

AU - Kong, X.

AU - Hu, G. Q.

AU - Duan, X. F.

AU - Zhao, B. R.

PY - 2004/2/15

Y1 - 2004/2/15

N2 - Interface structures of Ba0.7Sr0.3TiO 3/YBa2Cu3O7-δ (BST/YBCO) films epitaxially grown on (0 0 1) SrTiO3 substrate by DC magnetron sputtering and pulsed laser deposition are investigated by transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). A step-terrace structure was formed at the interfaces of BST/YBCO. Investigation shows that a perfect single crystalline epilayer of BST is achieved. Strained-layer step-flow growth mechanism is proposed for BST epilayer grown on YBCO surface with a mismatch between the BST and the YBCO epilayers.

AB - Interface structures of Ba0.7Sr0.3TiO 3/YBa2Cu3O7-δ (BST/YBCO) films epitaxially grown on (0 0 1) SrTiO3 substrate by DC magnetron sputtering and pulsed laser deposition are investigated by transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). A step-terrace structure was formed at the interfaces of BST/YBCO. Investigation shows that a perfect single crystalline epilayer of BST is achieved. Strained-layer step-flow growth mechanism is proposed for BST epilayer grown on YBCO surface with a mismatch between the BST and the YBCO epilayers.

KW - A1. Transmission electron microscopy

KW - A3. Laser epitaxy

KW - A3. Step-flow growth

KW - B1. Perovskites

KW - B2. Superconducting materials

UR - https://www.scopus.com/pages/publications/0842265183

U2 - 10.1016/j.jcrysgro.2003.10.039

DO - 10.1016/j.jcrysgro.2003.10.039

M3 - 文章

AN - SCOPUS:0842265183

SN - 0022-0248

VL - 262

SP - 353

EP - 358

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

IS - 1-4

ER -

Transmission electron microscopy of Ba0.7Sr 0.3TiO3/YBa2Cu3O 7-δ epitaxial films on (0 0 1) SrTiO3 substrates

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Transmission electron microscopy of Ba_0.7Sr _0.3TiO₃/YBa₂Cu₃O _7-δ epitaxial films on (0 0 1) SrTiO₃ substrates