MG2TIO4 AS A NOVEL SUBSTRATE FOR HIGH-TEMPERATURE SUPERCONDUCTING THIN-FILMS

被引:27
作者
HAEFKE, H [1 ]
LANG, HP [1 ]
SUM, R [1 ]
GUNTHERODT, HJ [1 ]
BERTHOLD, L [1 ]
HESSE, D [1 ]
机构
[1] MAX PLANCK INST MICROSTRUCTURE PHYS,W-4050 HALLE,GERMANY
关键词
D O I
10.1063/1.108243
中图分类号
O59 [应用物理学];
学科分类号
摘要
Single-crystalline Mg2TiO4 layers have been employed as a novel substrate material for superconducting YBa2Cu3O7-delta (YBCO) thin films. The Mg2TiO4 substrate layers have been grown on MgO cleavage faces by a solid-state reaction between the MgO crystal and TiO2 vapor. The structure and morphology of laser-deposited YBCO thin films have been studied by x-ray diffraction, transmission electron microscopy, electron diffraction, and scanning tunneling microscopy. YBCO has been grown on Mg2TiO4(001) with the epitaxial relationship [100](001) YBCO\\[100](001)Mg2TiO4 and (considering twins)\\[010](001)Mg2TiO4. The film morphology is characterized by growth spirals originating from screw dislocations.
引用
收藏
页码:2359 / 2361
页数:3
相关论文
共 15 条
[1]   POSSIBLE HIGH-TC SUPERCONDUCTIVITY IN THE BA-LA-CU-O SYSTEM [J].
BEDNORZ, JG ;
MULLER, KA .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1986, 64 (02) :189-193
[2]   THE GROWTH OF CRYSTALS AND THE EQUILIBRIUM STRUCTURE OF THEIR SURFACES [J].
BURTON, WK ;
CABRERA, N ;
FRANK, FC .
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1951, 243 (866) :299-358
[3]   SOLID-SOLUTION FORMATION, ELECTRICAL-PROPERTIES AND ZERO-RESISTANCE BEHAVIOR IN THE SPINEL SYSTEM MG2TIO4-MGTI2O4 [J].
COGLE, TJ ;
MATEUS, CAS ;
BINKS, JH ;
IRVINE, JTS .
JOURNAL OF MATERIALS CHEMISTRY, 1991, 1 (02) :289-291
[4]   EFFECT OF WATER VAPOR ON INITIAL SINTERING OF MAGNESIA [J].
EASTMAN, PF ;
CUTLER, IB .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1966, 49 (10) :526-&
[5]   AES AND UPS STUDIES OF CO AND CO-2 ADSORPTION ON MG AND MGO [J].
FUKUDA, Y ;
TOYOSHIMA, I .
SURFACE SCIENCE, 1985, 158 (1-3) :482-489
[6]   THE DECOMPOSITION OF MAGNESIUM HYDROXIDE IN AN ELECTRON MICROSCOPE [J].
GOODMAN, JF .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1958, 247 (1250) :346-&
[7]   FORMATION OF CERAMIC THIN-FILMS BY SOLID-STATE INTERFACE REACTIONS [J].
HESSE, D .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1987, 5 (04) :1696-1702
[8]   SOLID-STATE REACTIONS FOR THE EPITAXIAL-GROWTH OF SPINEL FILMS [J].
HESSE, D ;
BETHGE, H .
JOURNAL OF CRYSTAL GROWTH, 1983, 65 (1-3) :69-76
[9]   FORMATION OF MG2TIO4 EPITAXIAL THIN-FILMS ON MGO BY SOLID-STATE REACTION [J].
HESSE, D ;
BETHGE, H .
JOURNAL OF CRYSTAL GROWTH, 1981, 52 (APR) :875-882
[10]  
HESSE D, 1981, Patent No. 151828