| 摘要 |
The disclosed substance has a composition of a general chemical formula of Bi2-(Sr2Ca1)1=xt(La2Y1)x-Cu y-Oz, where 0.4~x~1, y=2 and z=9-10.5, wherein said substance is an insulator or a semiconductor in the dark, and has a photoconductivity Q(.lambda.,T) in conjugate with superconductivity of a superconductor of an adjacent component of the Bi-SrCa-LaY-Cu-O system at a critical temperature (T) of less than 105-115 K and less than 65-85 K at photoexcitation in an optical wavelength range (.lambda.) of 420-670 nm. The present invention relates to a method for producing the same and a superconductive optoelectronic device with the same. The present invention also relates to an element, a device and an apparatus in superconductive optoelectronics.
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