High critical temperature superconductor antenna comprising La.s

Details High critical temperature superconductor antenna comprising La.s High critical temperature superconductor antenna comprising La.s

1999-07-29

2000-01-04

Kopec, Mark

Superconductor technology: apparatus, material, process

High temperature devices, systems, apparatus, com- ponents,...

Antenna

505238, H01L 3912

Patent

active

060119829

ABSTRACT:
Compounds of the of the general formula La.sub.3-z Me.sub.z Ba.sub.3 Ca.sub.1-v Nc.sub.v Cu.sub.7 O.sub.16+x, wherein Me can be a rare earth metal or an alkaline metal ion selected from the group consisting of yttrium (Y), ytterbium (Yb), sodium (Na) and Nc can be a 2+ion selected from the group consisting of magnesium (Mg) and cadmium (Cd) have been prepared as the HTSC in thin film superconductors. These compounds can be used as thin film high critical superconductors in thin film high critical temperature superconducting structures and antennas and in multilayered structures and devices such as Josephson junctions, broadband impedance transformers and both flux flow and field effect transistors

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Zhang et al "Supression of Superconductivity in CaLaBaCu.sub.3 Oy . . . " lic Xuebao 44(5) 1279-85, Abstract Only, 1995.
Kao et al "Superconductivity in the R3CaBa3Cu70y . . . " Mates. Res. Soc. Symp. Proc. 275, pp. 347-351, Abstract Only, 1992.
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