SPATIAL VARIATIONS IN THE OXYGEN-CONTENT OF YBA2CU3O7-DELTA EPITAXIALLY DEPOSITED ON MGO AS ASSESSED USING A TRANSMISSION ELECTRON-MICROSCOPY MOIRE METHOD

被引：10

作者：

WILLIAMS, EJ

STOBBS, WM

机构：

[1] Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB2 3QZ, Pembroke Street

来源：

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES | 1993年 / 68卷 / 01期

关键词：

D O I：

10.1080/01418619308219353

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thin films of YBa2Cu3O7-delta (YBCO) grown by sputter deposition on MgO(001) have been examined using transmission electron microscopy. Moire fringes originating from interference between YBCO and MgO reflections have been used to obtain values for the degree of orthorhombic distortion of the YBCO and hence its oxygen content. It is found that the oxygen content can vary and that such variations, when seen, are related to the separation of the twin boundaries. The reliability and scope of the technique used are discussed, and the results compared with information concerning the oxygen content deduced from resistance-temperature curves for the same material.

引用

页码：1 / 17

页数：17

共 12 条

[1] THE USE OF MOIRE TECHNIQUES TO MEASURE RIGID BODY DISPLACEMENTS [J].

ECOB, RC ;

STOBBS, WM .

JOURNAL OF MICROSCOPY-OXFORD, 1983, 129 (MAR) :275-284

[2] ORTHO-II STRUCTURE IN ABA2CU3O7-DELTA COMPOUNDS (A=ER, ND, PR, SM, YB) [J].

KREKELS, T ;

ZOU, H ;

VANTENDELOO, G ;

WAGENER, D ;

BUCHGEISTER, M ;

HOSSEINI, SM ;

HERZOG, P .

PHYSICA C, 1992, 196 (3-4) :363-368

[3] MEASUREMENT OF LATTICE DISPLACEMENT ACROSS A COINCIDENCE GRAIN-BOUNDARY [J].

MATTHEWS, JW ;

STOBBS, WM .

PHILOSOPHICAL MAGAZINE, 1977, 36 (02) :373-383

[4] THE BEHAVIOR AND PROPERTIES OF IN-SITU-FORMED YBA2CU3OX THIN-FILMS DURING REVERSIBLE OXIDATION DEOXIDATION [J].

MORRIS, GW ;

TOMLINSON, EJ ;

SOMEKH, RE ;

BARBER, ZH ;

WILLIAMS, EJ ;

RAY, MP ;

EVETTS, JE .

IEEE TRANSACTIONS ON MAGNETICS, 1991, 27 (02) :1430-1433

[5] SPECIMEN PREPARATION METHODS FOR THE EXAMINATION OF SURFACES AND INTERFACES IN THE TRANSMISSION ELECTRON-MICROSCOPE [J].

NEWCOMB, SB ;

BOOTHROYD, CB ;

STOBBS, WM .

JOURNAL OF MICROSCOPY-OXFORD, 1985, 140 :195-207

[6] RELATION BETWEEN SUPERCONDUCTING TRANSITION-TEMPERATURE AND OXYGEN ORDERING IN YBA2CU3O6+X [J].

POULSEN, HF ;

ANDERSEN, NH ;

ANDERSEN, JV ;

BOHR, H ;

MOURITSEN, OG .

NATURE, 1991, 349 (6310) :594-596

[7] DETERMINATION OF INSITU MISFITS OF COHERENT PARTICLES [J].

RICHARDS, CG ;

STOBBS, WM .

JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1975, 8 (APR1) :226-228

[8] LATTICE SPACINGS FROM LATTICE FRINGES [J].

SELF, PG ;

BHADESHIA, HKDH ;

STOBBS, WM .

ULTRAMICROSCOPY, 1981, 6 (01) :29-40

[9] LONG PERIOD MIXED LAYER POLYTYPES IN THE TL2BA2CANCU1+NO6+2N SUPERCONDUCTORS [J].

VANTENDELOO, G ;

VERWERFT, M ;

AMELINCKX, S .

PHYSICA C, 1989, 162 :947-948

[10]

Wong-Ng W, 1987, POWDER DIFFR, V2, P192

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