PREPARATION OF AS-DEPOSITED BI-SR-CA-CU-O FILMS WITH HIGH-TC SUPERCONDUCTING PHASE BY METALORGANIC CHEMICAL VAPOR-DEPOSITION

被引：22

作者：

ENDO, K

HAYASHIDA, S

ISHIAI, J

MATSUKI, Y

IKEDO, Y

MISAWA, S

YOSHIDA, S

机构：

[1] Electrotechnical Laboratory, Tsukuba, lbaraki

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1990年 / 29卷 / 02期

关键词：

As-deposited film; Bi-Sr-Ca-Cu-0; High T[!sub]c[!/sub]phase; MOCVD; Oxide superconductor; Thin film;

D O I：

10.1143/JJAP.29.L294

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

As-deposited Bi-Sr-Ca-Cu-O films with the high Tcphase were prepared on MgO (100) substrates by metalorganic chemical vapor deposition using triphenyl bismuth and β-diketonates of Sr, Ca and Cu as source materials. Films with a superconducting onset temprature of 110 K and a zero resistance temperature of 70 K were obtained at 800°C without postannealing. The X-ray diffraction patterns show that the films consist of the high Tcsingle phase with the c-axis oriented normal to the substrate surfaces. The surface structures of the films were found to be much smoother than those of postannealed ones. © 1990 IOP Publishing Ltd.

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页码：L294 / L297

页数：4

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