A TEM study of Bi2Sr2CaCu2Ox superconducting thin films on SrTiO3 substrates

X. F. Zhang; B. Kabius; K. Urban; P. Schmitt; L. Schultz; G. Saemann-Ischenko

doi:10.1016/0921-4534(91)90586-N

A TEM study of Bi₂Sr₂CaCu₂O_x superconducting thin films on SrTiO₃ substrates

X. F. Zhang, B. Kabius, K. Urban, P. Schmitt, L. Schultz, G. Saemann-Ischenko

Materials Research Institute (MRI)

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

9 Scopus citations

Abstract

As-deposited Bi₂Sr₂CaCu₂O_x films on (001) SrTiO₃ substrates produced by laser deposition are investigated in a high-resolution electron microscope. The films are well-oriented with the crystallographic c-axis and a-axis direction of the films parallel to the [001] and [110] direction of the substrate, respectively. The substrate/film interface is sharp and good crystalline order is build up from the interface. Misfit dislocations were found inside the film nearby the interface. Planar defects occur in the films. In particular, 90°-rotation twins are found with the rotation axis parallel to the c-axis. The growth mechanism of the films and the effect of the lattice defects on flux pinning is discussed.

Original language	English (US)
Pages (from-to)	379-387
Number of pages	9
Journal	Physica C: Superconductivity and its applications
Volume	183
Issue number	4-6
DOIs	https://doi.org/10.1016/0921-4534(91)90586-N
State	Published - Nov 20 1991

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(91)90586-N

Cite this

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abstract = "As-deposited Bi2Sr2CaCu2Ox films on (001) SrTiO3 substrates produced by laser deposition are investigated in a high-resolution electron microscope. The films are well-oriented with the crystallographic c-axis and a-axis direction of the films parallel to the [001] and [110] direction of the substrate, respectively. The substrate/film interface is sharp and good crystalline order is build up from the interface. Misfit dislocations were found inside the film nearby the interface. Planar defects occur in the films. In particular, 90°-rotation twins are found with the rotation axis parallel to the c-axis. The growth mechanism of the films and the effect of the lattice defects on flux pinning is discussed.",

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AU - Zhang, X. F.

AU - Kabius, B.

AU - Urban, K.

AU - Schmitt, P.

AU - Schultz, L.

AU - Saemann-Ischenko, G.

PY - 1991/11/20

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N2 - As-deposited Bi2Sr2CaCu2Ox films on (001) SrTiO3 substrates produced by laser deposition are investigated in a high-resolution electron microscope. The films are well-oriented with the crystallographic c-axis and a-axis direction of the films parallel to the [001] and [110] direction of the substrate, respectively. The substrate/film interface is sharp and good crystalline order is build up from the interface. Misfit dislocations were found inside the film nearby the interface. Planar defects occur in the films. In particular, 90°-rotation twins are found with the rotation axis parallel to the c-axis. The growth mechanism of the films and the effect of the lattice defects on flux pinning is discussed.

AB - As-deposited Bi2Sr2CaCu2Ox films on (001) SrTiO3 substrates produced by laser deposition are investigated in a high-resolution electron microscope. The films are well-oriented with the crystallographic c-axis and a-axis direction of the films parallel to the [001] and [110] direction of the substrate, respectively. The substrate/film interface is sharp and good crystalline order is build up from the interface. Misfit dislocations were found inside the film nearby the interface. Planar defects occur in the films. In particular, 90°-rotation twins are found with the rotation axis parallel to the c-axis. The growth mechanism of the films and the effect of the lattice defects on flux pinning is discussed.

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A TEM study of Bi₂Sr₂CaCu₂O_x superconducting thin films on SrTiO₃ substrates

Abstract

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