Effect of alpha irradiation on polycrystalline Bi-2223 superconductors
作者： S.K. Bandyopadhyay , P. Barat , Pintu Sen , Udayan De , A. De
DOI: 10.1016/0921-4534(94)90180-5
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摘要: Abstract Polycrystalline samples of Bi 1.84 Pb 0.34 Sr 1.91 Ca 2.03 Cu 3.06 O 10+ x ((Bi, Pb)-2223) with T c ( R = 0) 112 K have been irradiated by α particles 40 MeV energy up to a maximum dose 1.5 × 10 16 α/cm 2 . is observed decrease increasing dose. At the highest dose, semiconducting behavior in resistivity measurements, and X-ray diffraction scanning electron microscopy indicate partial amorphization. has not recovered annealing. The possible mechanism radiation damage (Bi, Pb)-2223 discussed; it appears be different from CaCu 8+ (Bi-2212).
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