TY - JOUR
T1 - Double-peak superconducting transition in granular L-M-Cu-O(L=Pr,Nd,Sm,Eu, D; M=Ce,Th) superconductors
AU - Gerber, A.
AU - Grenet, T.
AU - Cyrot, M.
AU - Beille, J.
PY - 1990
Y1 - 1990
N2 - An unusual form of superconducting transition has been observed in some of the superconducting compounds L2-xMxCuO4-y (L=Pr,Nd,Sm,Eu; M=Ce,Th) under low magnetic fields. When the temperature is reduced below the critical one, the samples resistance first increases, then drops to a nonzero value, increases again, and finally decreases at low temperature, creating a characteristic double-peak transition. The behavior is explained in terms of intra- and intergranular superconducting transitions.
AB - An unusual form of superconducting transition has been observed in some of the superconducting compounds L2-xMxCuO4-y (L=Pr,Nd,Sm,Eu; M=Ce,Th) under low magnetic fields. When the temperature is reduced below the critical one, the samples resistance first increases, then drops to a nonzero value, increases again, and finally decreases at low temperature, creating a characteristic double-peak transition. The behavior is explained in terms of intra- and intergranular superconducting transitions.
UR - http://www.scopus.com/inward/record.url?scp=3943104477&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.65.3201
DO - 10.1103/PhysRevLett.65.3201
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AN - SCOPUS:3943104477
SN - 0031-9007
VL - 65
SP - 3201
EP - 3204
JO - Physical Review Letters
JF - Physical Review Letters
IS - 25
ER -