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应用多种光致发光光谱技术测定了高Tc超导体YBa_2Cu_3O_x的荧光光谱,对谱带的比较研究和指认表明,在这种样品中同时存在着Cu~+、Cu~(2+)和Cu~(3+)。
The fluorescence spectra of YBa_2Cu_3O_x with high Tc superconductor were measured by using a variety of photoluminescence spectroscopy. The comparative study and identification of the bands indicated that Cu 2+, Cu 2+ and Cu 2+ 3+).