G V Subba Rao
Articles written in Pramana – Journal of Physics
Volume 29 Issue 2 August 1987 pp 1- Rapid Communication
Enhancement of thermopower in the high
R Srinivasan V Sankaranarayanan N P Raju S Natarajan U V Varadaraju G V Subba Rao
The absolute thermopower of single phase YBa2Cu3O7 and Y0.8Er0.2Ba2Cu3O7 has been measured in the range 250 K to the superconducting transition temperature. It is found that these compounds show a large enhancement of thermopower in the range 150 K down to
Volume 30 Issue 5 May 1988 pp 419-421 Condensed Matter Physics
Specific heat of YBa2Cu3O7−
N Sankar V Sankaranarayanan R Srinivasan G Rangarajan G V Subba Rao
The specific heat of superconducting oxide compound, YBa2Cu3O7 −
Volume 30 Issue 6 June 1988 pp 569-595 Condensed Matter Physics
A K Grover C Radhakrishnamurty P Chaddah G Ravi Kumar G V Subba Rao
We present DC and low frequency AC magnetization measurements on various RBa2Cu3O7 superconductors. We identify features intrinsic to these compounds, and establish the features originating from intergranular links in sintered pellets. The isothermal magnetization curves, and the temperature dependence of magnetization in field-cooled and zero field-cooled states are shown to be consistent with the calculations done following a recent extension of Bean’s model. Low field anomalies predicted within this model are observed, and yield
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