Please use this identifier to cite or link to this item: http://hdl.handle.net/11717/2170
Title: HIGH-T//c SUPERCONDUCTIVITY IN Ln//2// minus //xBa//xCu//2O//5 (1. 0 less than equivalent to x less than equivalent to 1. 6) AND LnBa//2Cu//3O//7 (Ln equals Dy, Er, Tm, Yb AND Y) COMPOUNDS.
Authors: Subba Rao, G.V.
Varadaraju, U.V.
Vijayashree, R.
Padmanabhan, K.
Balakrishnan, R.
Mary, T.A.
Raju, N.P.
Srinivasan, R.
De, U.
Janaki, J.
Radhakrishnan, T.S.
Keywords: CERAMIC MATERIALS
RARE EARTH COMPOUNDS
X-RAY ANALYSIS
MAGNETIC SUSCEPTIBILITY
OXIDE SUPERCONDUCTORS
REENTRANT BEHAVIOR
SUPERCONDUCTING MATERIALS
Issue Date: 1987
Citation: Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics, 148(1), 237-238
Abstract: Structure and T//c data on LnBa//2Cu//3O//7 (Ln equals Dy, Ho, Er, Tm, Yb and Y) compounds are reported and discussed. No reentrant behavior has been noted in these high-T//c superconductors for Ln equals Er and Yb until 4. 2 K. Four-probe resistivity was measured in the range 77-300 K employing ultrasonically soldered In-contacts. An inductance bridge with carrier-frequency amplifier was used to quickly check the samples for superconductivity at and above 77 K. A calibrated test set-up was employed to measure the superconductivity transition by the magnetic susceptibility technique.
URI: http://hdl.handle.net/11717/2170
ISSN: 1651757
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