Local electronic structure, O–T phase tr
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Lingwei Li; Shixun Cao; Fen Liu; Wenfeng Li; Changyun Chi; Chao Jing; Jincang Zh
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Article
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2005
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Elsevier Science
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English
⚖ 126 KB
Y 0.8 Ca 0.2 Ba 2 Cu 3 O y samples with large range of oxygen content, have been systematically studied by means of positron annihilation technology, transport property measurements and X-ray diffraction. The positron lifetime parameters have a strong dependence on oxygen content y, and show evident