Radio frequency response of Ag-sheathed (Bi, Pb)2Sr2Ca2Cu3O10+x superconducting tapes

被引：15

作者：

Grasso, G ^{[1
]}

Malagoli, A ^{[1
]}

Scati, N ^{[1
]}

Guasconi, P ^{[1
]}

Roncallo, S ^{[1
]}

Siri, AS ^{[1
]}

机构：

[1] Ist Nazl Fis Mat, Res Unit Genoa, I-16146 Genoa, Italy

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2000年 / 13卷 / 10期

关键词：

D O I：

10.1088/0953-2048/13/10/102

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The response of long (Bi, Pb)(2)Sr2Ca2Cu3O10 conductors fabricated by the oxide-powder-in-tube method to a radio frequency excitation was investigated while employed as the inductive part of large GC resonating circuits. After removal of the outer silver sheath, superconducting devices cooled down to 77 K showed superior properties compared to equivalent non-superconducting circuits: Bi-based resonators, conceived for a working frequency in the range between 5 and 17 MHz, presented an improvement of the quality factor by a factor of 20. This result opens new perspectives for the application of Bi-based superconducting materials in the detection of a weak radio frequency signal, as in magnetic resonance imaging.

引用

页码：L15 / L18

页数：4

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