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Superconductivity in the (Dy1−xPrx) Ba2Cu2Oy system

✍ Scribed by X.W. Cao; C.Y. Wu; J.C. Ho

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
211 KB
Volume
182
Category
Article
ISSN
0921-4534

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✦ Synopsis

A series of orthorhombic (Dyt _xPrx)Ba2Cu3Oy samples with x= 0-1.0 were synthesized and characterized by XRD, DTA and electrical resistivity measurements. Pr-doping suppresses the superconducting transitions more or less linearly to a complete quenching at x-~ 0.6. Meanwhile, increase in normal-state resistivities and their deviation from a linear temperature dependence begin to show up near x-~ 0.3-0.4, beyond which a semiconducting behavior prevails. These results are discussed in conjunction with those previously reported for isomorphic compounds (Yt _~Prx) Ba2Cu3Oy, ( Eut _xPr~) Ba2Cu3Oy, and ( Gd~ _~Pr~) Ba2Cu30 r

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