PREPARATION AND CHARACTERIZATION OF TEXTURED THICK-FILMS OF THE 2212-PHASE IN THE BSCCO AND BPSCCO SYSTEMS

被引：9

作者：

DIMESSO, L

FRANCESCONI, MG

CALESTANI, G

SILVA, E

FASTAMPA, R

MARCON, R

FIORANI, D

AGOSTINELLI, E

TESTA, AM

机构：

[1] CNR,CTR STRUTTURIST DIFFRATTOMETR,I-43100 PARMA,ITALY

[2] CNR,GRP NAZL STRUTTURA MAT,ROME,ITALY

[3] UNIV ROME LA SAPIENZA,DIPARTMENTO FIS,I-00185 ROME,ITALY

[4] CNR,ITSE,I-00016 MONTEROTONDO,ITALY

[5] MINIST RIC SCI & TECHNOL,CTR INTERUNIV STRUTTURA MAT,ROME,ITALY

来源：

PHYSICA C | 1991年 / 176卷 / 1-3期

关键词：

D O I：

10.1016/0921-4534(91)90716-C

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The preparation of textured thick films of the 2212 phase in the BSCCO and BPSCCO systems by a partial melting process of powders deposited on Ag substrates by drying alcoholic suspensions is reported. The quality of the films in the BPSCCO system can be improved as far as microstructure and electrical properties is concerned, by starting from non-stoichiometric compositions, in particular by adding PbO to 2212 BSCCO powders. The influence of the PbO addition on structural, electrical and magnetic properties is discussed. Very high critical current densities (5 x 10(6)-9 x 10(6) A cm-2 at 10 K and for H = 5 kOe), comparable to or quite greater than those reported for single crystals, can be obtained by this new preparation method.

引用

页码：216 / 226

页数：11

共 19 条

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