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Mössbauer studies of the series Bi2−xPbxSr2Bin−1FenOy for x = 0.5, 1 and n = 2, 3

✍ Scribed by M. Pissas; A. Simopoulos; A. Kostikas; D. Niarchos

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
570 KB
Volume
176
Category
Article
ISSN
0921-4534

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A distinct gap feature has been observed in polycrystalline Bi2\_xPbxSr2Ca.Cu.+ tOy (x= 0.4, n = 1 and n = 2 ) break junctions. The gap values varied from junction to junction displaying different temperature dependences but the same critical temperature. The observed effect can be interpreted as an