27 citations · 176 across the 26 of their papers we have counts for
26 papers
Improving the critical current density of the alloy superconductor through successive cold-working and annealing at different temperatures
Asi Khandelwal, SK. Ramjan, Basudev Padhi +5
The critical current density () of V-Ti alloy superconductors is strongly influenced by the size and distribution of microstructural defects that pin magnetic flux lines. In t…
Effect of Underlayer Induced Charge Carrier Substitution on the Superconductivity of Ti40V60 Alloy Thin Films
Shekhar Chandra Pandey, Shilpam Sharma, Pooja Gupta +2
The influence of metallic and semiconducting (V, Al, and Si) under-layer induced charge carrier substitution on the superconducting properties of the Ti40V60 alloy thin films are s…
Effect of Deposition Pressure on the Superconductivity of Ti40V60 Alloy Thin Films
Shekhar Chandra Pandey, Shilpam Sharma, R. Venkatesh +2
The growth and characterization of high quality superconducting thin films is essential for fundamental understanding and also for the use of these films in technological applicati…
Extending the optical absorption in a lumped element meander structure to far-infrared wavelengths
Shekhar Chandra Pandey, Shilpam Sharma, Anudeep Singh +5
Superconducting radiation detectors typically exhibit detection and single photon sensitivity limited to the mid infrared wavelength range. Extending their detection capabilities i…
Negative temperature coefficient of resistivity due to the itinerant spin fluctuations in metallic VTi alloy
SK Ramjan, Asi Khandelwal, L. S. Sharath Chandra +1
Few concentrated disordered binary metallic alloys show a negative temperature coefficient of resistivity (TCR), which is quite unusual. VTi is one such alloy that…
Sputtering Current Driven Growth & Transport Characteristics of Superconducting Ti40V60 Alloy Thin Films
Shekhar Chandra Pandey, Shilpam Sharma, K. K. Pandey +4
The room temperature growth, characterization, and electrical transport properties of magnetron sputtered superconducting Ti40V60 alloy thin films are presented. The films exhibit…
Ambient Temperature Growth and Superconducting Properties of Ti-V Alloy Thin Films
Shekhar Chandra Pandey, Shilpam Sharma, Ashish Khandelwal +1
A study on the optimization of ambient temperature growth and superconducting properties of Ti-V alloy thin films grown on SiO2-coated Si substrate is reported here. These films ha…
Structural and Magnetic Properties of V-Ti-Si Alloy Superconductors
Asi Khandelwal, L. S. Sharath Chandra, Archna Sagdeo +2
The structural and magnetic properties of the as-cast and annealed VSiTi ( = 0, 0.05, 0.10, 0.15) alloy superconductors are reported here. It is found that…
Temperature and terahertz frequency dependence of the dielectric properties of Fe3O4 thin films deposited on Si substrate
Ashish Khandelwal, L. S. Sharath Chandra, Shilpam Sharma +4
The FeO/Si films are considered to be promising materials for THz spintronic applications due to their high temperature magnetic transition and semiconducting properties. I…
Enhancement of functional properties of VTi alloy superconductor by the addition of yttrium
SK. Ramjan, L. S. Sharath Chandra, Rashmi Singh +3
We show here that the yttrium is immiscible and precipitates with various sizes in the body centred cubic VTi alloy superconductor. The number and size of the preci…
Temperature induced first order electronic topological transition in -AgSe
L. S. Sharath Chandra, SK. Ramjan, Soma Banik +2
-AgSe is a promising material for room temperature thermoelectric applications and magneto-resistive sensors. However, no attention was paid earlier to the hysteresis in the…
Strong paramagnetic response in Y containing VTi superconductor
SK Ramjan, LS Sharath Chandra, Rashmi Singh +1
We report here, the systematic field-cooled (FC) magnetisation of superconducting (VTi)-Y alloys in presence of applied magnetic fields upto 7 T. Paramagnetic respo…
Interesting magnetic response of the nuclear fuel material UO2
Sudip Pal, L. S. Sharath Chandra, M. K. Chattopadhyay +1
Magnetic response of uranium dioxide (UO2) has been investigated through temperature and magnetic field dependent dc magnetization measurements. UO2 is a paramagnet at room tempera…
Studies on DC transport and terahertz conductivity of granular molybdenum thin films for microwave radiation detector applications
Shilpam Sharma, Ashish Khandelwal, E. P. Amaladass +5
The morphological, transport and terahertz optical properties of DC magnetron sputtered granular molybdenum thin-films with nano-grains embedded in an amorphous matrix have been st…
Localization of electronic states resulting from electronic topological transitions in the MoRe alloys: A photoemission study
L. S. Sharath Chandra, Shyam Sundar, Soma Banik +4
We present the results of resonant photoemission spectroscopy experiments on the MoRe alloy compositions spanning over two electronic topological transitions (ETT) at…
Grain refinement and enhancement of critical current density in the V_0.60Ti_0.40 alloy superconductors with Gd addition
Sabyasachi Paul, SK Ramjan, R Venkatesh +2
The V-Ti alloys are promising materials as alternate to the commercial Nb-based superconductors for high current-high magnetic field applications. However, the critical current den…
Two channel heat conduction in the superconducting state of the as-cast VZr alloys
Sabyasachi Paul, L. S. Sharath Chandra, M. K. Chattopadhyay
We present here the temperature dependence of heat capacity (()) and thermal conductivity (()) in the superconducting state as well as in the normal state of as-cast V$…
Superconductivity in VZr alloys]{Evolution of high field superconductivity and high critical current density in the as-cast VZr alloys
L. S. Sharath Chandra, Sabyasachi Paul, Ashish Khandelwal +5
We report here the structural, electrical and magnetic properties of as-cast VZr alloys ( =0 - 0.4) at low temperatures. We observe that all the alloys undergo succe…
Thermal conductivity of strong coupling VTi superconductors in the Mott-Ioffe-Regel limit
Sabyasachi Paul, L. S. Sharath Chandra, M. K. Chattopadhyay
We report an enhancement of thermal conductivity () below the superconducting transition temperature () in the high carrier density -VTi alloys. We find that…
Study of NbRe non-centrosymmetric superconductor in the normal and superconducting states
Shyam Sundar, S. Salem-Sugui, M. K. Chattopadhyay +4
We examine the evidence for multiband superconductivity and non s-wave pairing in the non-centrosymmetric superconductor NbRe, using electrical transport, magneti…
Strong electron-phonon coupling and multiband effects in the superconducting -phase MoRe alloys
Shyam Sundar, L S Sharath Chandra, M K Chattopadhyay +5
Superconducting transition temperature of some of the cubic -phase MoRe alloys with x > 0.10 is an order of magnitude higher than that in the elements Mo and R…
High field paramagnetic Meissner effect in MoRe alloy superconductors
Shyam Sundar, M K Chattopadhyay, L S Sharath Chandra +1
We have performed an experimental study on the temperature and field dependence of magnetization of a series of superconducting MoRe alloys. Our studies reveal the pr…
Evidence of multiband superconductivity in the -phase MoRe alloys
Shyam Sundar, L S Sharath Chandra, M K Chattopadhyay +1
We present a detailed study of the superconducting properties in the beta-phase MoRe (x = 0.25 and 0.4) solid solution alloys pursued through magnetization and heat cap…
Electronic structure of the MoRe alloys studied through resonant photoemission spectroscopy
Shyam Sundar, Soma Banik, L S Sharath Chandra +6
We have studied the electronic structure of Mo rich MoRe alloys (0 x 0.4) using valence band photoemission spectroscopy in the photon energy range 23-70 eV…