Occurrence of Metallic Bismuth and Superconductivity in Bi 2 Sr 2 CaCu 2 O y Crystals Irradiated by N + Ions

X-ray photoemission spectroscopy and X-ray diffraction reveal that N + ion irradiation causes the occurrence of the metallic bismuth and the surface decomposition in Bi 2 Sr 2 CaCu 2 O y crystals. We think that such change results in the change of oxygen content. Due to this fact, a possible reason...

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Published inJapanese Journal of Applied Physics Vol. 35; no. 4R; p. 2133
Main Authors Wang, Liangbin, Wu, Wenbin, Li, Xiao-Guang, Liu, Xianming, Zhu, Jingsheng, Shi, Lei, Jia, Yunbo, Zhou, Guien, Zhang, Yuheng
Format Journal Article
LanguageEnglish
Published 01.04.1996
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Summary:X-ray photoemission spectroscopy and X-ray diffraction reveal that N + ion irradiation causes the occurrence of the metallic bismuth and the surface decomposition in Bi 2 Sr 2 CaCu 2 O y crystals. We think that such change results in the change of oxygen content. Due to this fact, a possible reason for the decrease of the superconducting transition temperature is suggested as the change of oxygen content.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.35.2133