Position-dependent texture analysis of melt-textured YBCO by means of electron backscatter diffraction

A. Koblischka-Veneva; M. R. Koblischka; K. Ogasawara; M. Murakami

doi:10.1016/S0921-4534(03)00860-8

Position-dependent texture analysis of melt-textured YBCO by means of electron backscatter diffraction

A. Koblischka-Veneva, M. R. Koblischka, K. Ogasawara, M. Murakami

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

4 Citations (Scopus)

Abstract

The texture and phase distribution of melt-textured YBa₂Cu ₃O_x (YBCO) was studied by means of automated electron backscatter diffraction (EBSD) analysis as a function of the position in the bulk pellet of 4 cm diameter. A total of five samples was cut from the pellet; four samples from the surface of the bulk with different distances to the seed crystal, and one cut in vertical direction in the middle of the pellet. The melt-textured YBCO samples require a two-phase analysis to be performed, so a high surface quality is necessary to enable an automated EBSD scan. Good quality Kikuchi patterns are obtained from both the 1 2 3 and 2 1 1 phases. We found an inhomogeneous distribution of the 2 1 1 particles. Whereas the samples cut from the surface contain a large amount of 211 particles, in the samples of the vertical direction only traces of 2 1 1 particles are found. Furthermore, we measured the misorientation angle distribution of all samples. The data are presented in form of phase mappings, misorientation distribution functions and pole figures.

Original language	English
Pages (from-to)	607-612
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	392-396
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0921-4534(03)00860-8
Publication status	Published - 2003 Oct 1
Externally published	Yes
Event	Proceedings of the 15th International Symposium on Superconduc - Yokohama, Japan Duration: 2002 Nov 11 → 2002 Nov 13

Keywords

Automated mapping
Bulk high-T superconductors
Ceramics
EBSD
Electron backscatter diffraction
SEM

ASJC Scopus subject areas

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

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10.1016/S0921-4534(03)00860-8

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title = "Position-dependent texture analysis of melt-textured YBCO by means of electron backscatter diffraction",

abstract = "The texture and phase distribution of melt-textured YBa2Cu 3Ox (YBCO) was studied by means of automated electron backscatter diffraction (EBSD) analysis as a function of the position in the bulk pellet of 4 cm diameter. A total of five samples was cut from the pellet; four samples from the surface of the bulk with different distances to the seed crystal, and one cut in vertical direction in the middle of the pellet. The melt-textured YBCO samples require a two-phase analysis to be performed, so a high surface quality is necessary to enable an automated EBSD scan. Good quality Kikuchi patterns are obtained from both the 1 2 3 and 2 1 1 phases. We found an inhomogeneous distribution of the 2 1 1 particles. Whereas the samples cut from the surface contain a large amount of 211 particles, in the samples of the vertical direction only traces of 2 1 1 particles are found. Furthermore, we measured the misorientation angle distribution of all samples. The data are presented in form of phase mappings, misorientation distribution functions and pole figures.",

keywords = "Automated mapping, Bulk high-T superconductors, Ceramics, EBSD, Electron backscatter diffraction, SEM",

author = "A. Koblischka-Veneva and Koblischka, {M. R.} and K. Ogasawara and M. Murakami",

year = "2003",

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T1 - Position-dependent texture analysis of melt-textured YBCO by means of electron backscatter diffraction

AU - Koblischka-Veneva, A.

AU - Koblischka, M. R.

AU - Ogasawara, K.

AU - Murakami, M.

PY - 2003/10/1

Y1 - 2003/10/1

N2 - The texture and phase distribution of melt-textured YBa2Cu 3Ox (YBCO) was studied by means of automated electron backscatter diffraction (EBSD) analysis as a function of the position in the bulk pellet of 4 cm diameter. A total of five samples was cut from the pellet; four samples from the surface of the bulk with different distances to the seed crystal, and one cut in vertical direction in the middle of the pellet. The melt-textured YBCO samples require a two-phase analysis to be performed, so a high surface quality is necessary to enable an automated EBSD scan. Good quality Kikuchi patterns are obtained from both the 1 2 3 and 2 1 1 phases. We found an inhomogeneous distribution of the 2 1 1 particles. Whereas the samples cut from the surface contain a large amount of 211 particles, in the samples of the vertical direction only traces of 2 1 1 particles are found. Furthermore, we measured the misorientation angle distribution of all samples. The data are presented in form of phase mappings, misorientation distribution functions and pole figures.

AB - The texture and phase distribution of melt-textured YBa2Cu 3Ox (YBCO) was studied by means of automated electron backscatter diffraction (EBSD) analysis as a function of the position in the bulk pellet of 4 cm diameter. A total of five samples was cut from the pellet; four samples from the surface of the bulk with different distances to the seed crystal, and one cut in vertical direction in the middle of the pellet. The melt-textured YBCO samples require a two-phase analysis to be performed, so a high surface quality is necessary to enable an automated EBSD scan. Good quality Kikuchi patterns are obtained from both the 1 2 3 and 2 1 1 phases. We found an inhomogeneous distribution of the 2 1 1 particles. Whereas the samples cut from the surface contain a large amount of 211 particles, in the samples of the vertical direction only traces of 2 1 1 particles are found. Furthermore, we measured the misorientation angle distribution of all samples. The data are presented in form of phase mappings, misorientation distribution functions and pole figures.

KW - Automated mapping

KW - Bulk high-T superconductors

KW - Ceramics

KW - EBSD

KW - Electron backscatter diffraction

KW - SEM

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DO - 10.1016/S0921-4534(03)00860-8

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SN - 0921-4534

VL - 392-396

SP - 607

EP - 612

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 1

T2 - Proceedings of the 15th International Symposium on Superconduc

Y2 - 11 November 2002 through 13 November 2002

ER -

Position-dependent texture analysis of melt-textured YBCO by means of electron backscatter diffraction

Abstract

Keywords

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