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Observation of quantum oscillations in FIB fabricated nanowires of topological insulator (Bi2Se3)
Biplab Bhattacharyya, Alka Sharma, V P S Awana +3
Since last few years, research based on topological insulators (TI) is in great interests due to intrinsic exotic fundamental properties and future potential applications such as q…
FIB synthesis of Bi2Se3 1D nanowires demonstrating the co-existence of Shubnikov-de Haas oscillations and linear magnetoresistance
Biplab Bhattacharyya, Alka Sharma, V P S Awana +2
Since the discovery of topological insulators (TI), there are considerable interests in demonstrating metallic surface states, their shielded robust nature to the backscattering an…
Unusual non saturating Giant Magneto-resistance in single crystalline Bi2Te3 topological insulator
Rabia Sultana, P. Neha, R. Goyal +2
We report synthesis, structural details and electrical transport properties of topological insulator Bi2Te3. The single crystalline specimens of Bi2Te3 are obtained from high tempe…
Unusual Dirac fermions on the surface of noncentrosymmetric - BiPd superconductor
S. Thirupathaiah, Soumi Ghosh, Rajveer Jha +8
Combining multiple emergent correlated properties such as superconductivity and magnetism within the topological matrix can have exceptional consequences in garnering new and exoti…
Superconductivity at 5.5 K in Nb2PdSe5 compound
Reena Goyal, Govind Gupta, A. K. Srivastava +1
We report superconductivity in as synthesized Nb2PdSe5, which is similar to recently discovered Nb2PdS5 compound having very high upper critical field, clearly above the Pauli para…
Flux free growth of superconducting FeSe single crystals
P. K. Maheshwari, L. M. Joshi, Bhasker Gahtori +4
We report flux free growth of superconducting FeSe single crystals by an easy and versatile high temperature melt and slow cooling method for first time. The room temperature XRD o…
Influence of Ni doping on critical parameters of PdTe superconductor
Reena Goyal, Rajveer Jha, Brajesh Tiwari +2
We report the effect of Ni doping on superconductivity of PdTe. The superconducting parameters like critical temperature (Tc), upper critical field (Hc2) and normalized specific-he…
An inter comparison of the upper critical fields (Hc2) of different superconductors - YBa2Cu3O7, MgB2, NdFeAsO0.8F0.2, FeSe0.5Te0.5 and Nb2PdS5
R. Sultana, P. Rani, A. K. Hafiz +2
Here we report the comparison of the upper critical fields of different superconductors being calculated by two different theories i.e., Werthamer Helfand Hohenburg (WHH) and Ginzb…
Tuning the magnetocrystalline anisotropy in CoPO by means of substitution: a ferromagnetic resonance study
G. Prando, A. Alfonsov, A. Pal +3
We report on broad-band electron spin resonance measurements performed within the itinerant ferromagnetic phase of CoPO ( = La, Pr, Nd and Sm). We reveal that the substit…
Ultrasensitive interplay between ferromagnetism and superconductivity in NbGd composite thin films
Ambika Bawa, Anurag Gupta, Sandeep Singh +2
A model binary hybrid system composed of a randomly distributed rare-earth ferromagnetic (Gd) part embedded in an s-wave superconducting (Nb) matrix is being manufactured to study…