124 citations · 593 across the 26 of their papers we have counts for
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Unification of the Pressure and Composition Dependence of Superconductivity in Ru substituted BaFe2As2
T. R. Devidas, Awadhesh Mani, Shilpam Sharma +3
Temperature dependent high pressure electrical resistivity studies has been carried out on Ba(Fe_{1-x}Ru_{x})_{2}As_{2} single crystals with x = 0.12, 0.26 and 0.35, which correspo…
Structural investigations in BaFe2-xRuxAs2 as a function of Ru and temperature
Shilpam Sharma, A. Bharathi, K. Vinod +6
We present Synchrotron XRD measurements on powdered single crystal samples of BaFe2-xRuxAs2 samples, as a function of Ru content at room temperature. The Rietveld refinements revea…
Critical current density and magnetic phase diagram of BaFe1.29Ru0.71As2 Single Crystals
Shilpam Sharma, K. Vinod, C. S. Sundar +1
The critical current density has been measured on single crystals of Ru substituted BaFe2As2 superconductor at several temperatures and in fields up to 16 T. The magnetisation vers…
High intrinsic flux pinning strength of BaFe2-xCoxAs2 superconductor
K. Vinod, Shilpam Sharma, A. T. Satya +2
The field dependence of flux pinning potential, U0, for under-doped, optimally doped and over-doped Ba(Fe,Co)2As2 single crystals has been investigated. U0 is determined using the…
Superconducting and critical properties of PrOFe0.9Co0.1As: effect of P doping
Shilpam Sharma, Jai Prakash, Gohil S. Thakur +4
PrOFe0.9Co0.1As is known to be a superconductor with a TC of ~14 K. In an attempt to induce charge transfer and also induce chemical pressure between the FeAs and PrO layers we hav…
Upper critical field anisotropy in BaFe2-xCoxAs2 single crystals synthesized without flux
K. Vinod, A. T. Satya, Shilpam Sharma +2
The upper critical field was measured upto 12 T for three BaFe2-xCoxAs2 single crystals with estimated Co concentrations of x = 0.082, x = 0.117 and x = 0.143. HC2 versus temperatu…
Pressure induced superconductivity in BaFe2As2 single crystal
Awadhesh Mani, Nilotpal Ghosh, S. Paulraj +2
The evolution of pressure induced superconductivity in single crystal as well as polycrystalline samples of BaFe2As2 has been investigated through temperature dependent electrical…
Critical properties of superconducting Ba1-xKxFe2As2
A. Bharathi, Shilpam Sharma, R. Paulraj +3
Magnetisation and magnetoresistance measurements have been carried out on superconducting Ba1-xKxFe2As2 samples with x=0.40 and 0.50. From low field magnetization data carried out…
Superconductivity in Ru substituted BaFe2-xRuxAs2
Shilpam Sharma, A. Bharathi, Sharat Chandra +6
The occurrence of bulk superconductivity at ~22 K is reported in polycrystalline samples of BaFe2-xRuxAs2 for nominal Ru content in the range of x=0.75 to 1.125. A systematic suppr…
Raman Scattering Investigation of Electron Phonon Coupling in Carbon substituted MgB2
T. Sakuntala, A. Bharathi, S. K. Deb +3
Room temperature Raman scattering measurements have been carried out on well characterized samples of MgB2-xCx. The Raman line corresponding to the E2g phonon mode shows progressiv…
Raman Studies in MgB2-xCx
T. Sakuntala, S. K. Deb, A. Bharathi +3
Raman scattering measurements have been carried out in MgB2-xCx for x=0.0 -0.30. The broad Raman band around 600cm-1 range, which corresponds to the E2g mode in MgB2 is seen to nar…
Synthesis and search for superconductivity in LiBC
A. Bharathi, S. Jemima Balaselvi, M. Premila +4
Following the recent theoretical prediction of superconductivity in hole doped LiBC by Rosner et al [1], we have attempted to synthesise Li deficient LixBC (x = 1, 0.8, 0.6 and 0.4…
Infrared absorption in superconducting MgB2
C. S. Sundar, A. Bharathi, M. Premila +6
Infrared absorption measurements in the range of 125 to 700 cm^(-1) have been carried out as a function of temperature upto 5 K in MgB2. The absorption spectrum is characterised by…