2k citations · 3.2k across the 113 of their papers we have counts for
117 papers
Aging Effects on Superconducting Properties of BiS2-Based Compounds: First-12-Year Restudy
Poonam Rani, Rajveer Jha, V. P. S. Awana +1
Decomposition of superconductors sometimes becomes crucial when studying essential physical properties of the superconductors. For example, the cuprate superconductor YBa2Cu3O7-d d…
Valence band electronic structure of Nb2Pd1.2Se5 and Nb2Pd0.95S5 superconductors
H. Lohani, P. Mishra, R. Goyal +2
We present a comparative study of our valence band photoemission results on Nb2Pd1.2Se5 and Nb2Pd0.95S5 superconductors which is supported by our DFT based electronic structure cal…
Valence band electronic structure of Pd based ternary chalcogenide superconductors
H. Lohani, P. Mishra, R. Goyal +2
We present a comparative study of the valence band electronic structure of Pd based ternary chalcogenide superconductors Nb2Pd0.95S5, Ta2Pd0.97S6 and Ta2Pd0.97Te6 using experimenta…
Electromagnetic properties of copper doped lead apatite Pb9Cu(PO4)6O
M. Singh, P. Saha, K. Kumar +4
We report on the structural, electrical and magnetic measurements in as-grown polycrystalline samples of Pb10-xCux(PO4)6O. This compound has been recently reported to be a room tem…
Growth and characterization of the magnetic topological insulator candidate MnSbTe
Ankush Saxena, V. P. S. Awana
We report a new member of topological insulator (TI) family i.e., MnSbTe, which belongs to MnSbTe family and is a sister compound of MnBiTe. An anti…
Synthesis of possible room temperature superconductor LK-99:PbCu(PO)O
Kapil Kumar, N. K. Karn, V. P. S. Awana
The quest for room-temperature superconductors has been teasing scientists and physicists, since its inception in 1911 itself. Several assertions have already been made about room…
Drastic suppression of CDW (charge density wave) by Pd addition in TiSe2
Abhilasha Saini, N. K. Karn, Kapil Kumar +2
TiSe2 is a known Topological semimetal (TSM) having both the semi-metallic and topological characters simultaneously and the Charge density wave (CDW) at below 200K. In the current…
Shubnikov de Haas (SdH) Oscillation in Self-Flux Grown Rhombohedral Single Crystalline Bismuth
Yogesh Kumar, Prince Sharma, N. K. Karn +1
The historic de Haas van Alphen effect observed in the late 1950s in CSIR-NPL by J.S. Dhillon and D. Shoenberg in pure bismuth and zinc metal is revisited in this article hrough a…
A comprehensive review on topological superconducting materials and interfaces
M. M. Sharma, Prince Sharma, N. K. Karn +1
Superconductivity in topological materials has drawn a significant interest of the scientific community as these materials provide a hint of the existence of Majorana fermions conc…
Growth, structure, micro-structure and magneto transport of an easy route synthesized bulk polycrystalline TiSe2
Abhilasha Saini, Kapil Kumar, M. M. Sharma +2
This article reports an easy route synthesis of bulk polycrystalline TiSe2. Phase purity and microstructure are determined through powder X-ray diffraction (PXRD) and field emissio…
Topological Superconductor AuSn4: A first principle study
N. K. Karn, M. M. Sharma, V. P. S. Awana
Topological semimetals such as Weyl or Dirac semimetals with superconductivity have emerged as a new class of topological materials to realize and study Majorana Fermion. This arti…
Bulk superconductivity and non-trivial band topology analysis of Pb2Pd
M. M. Sharma, N. K. Karn, Poonam Rani +2
A perfect topological superconductor can be realized by the simultaneous existence of bulk superconductivity along with topological non-trivial surface states. In this article, we…
Andreev reflection spectroscopy on SnAs single crystals
Sandeep Howlader, Nikhlesh Mehta, M. M. Sharma +2
Binary compounds of SnT family(T= As, Sb, Te, S, Se, P) exhibit novel properties like superconductivity, topologically protected states etc. Some of these compounds crystallize in…
Accessing Phase Slip Events in Nb Meander Wires
Deepika Sawle, Sudhir Husale, Sachin Yadav +3
We report transport studies through Nb-based superconducting meander wires fabricated by focused ion beam (FIB) milling technique. The effect of meandering on quantum transport has…
SnAs: a 4K weak type-II superconductor with non-trivial band topology
M. M. Sharma, N. K. Karn, Prince Sharma +3
Superconductors with non-trivial band topology are emerging as one of the best avenues to study quantum anomalies and experimental realization of Majorana Fermions. This article re…
Structural and WAL analysis of Topological single-crystal SnSb2Te4
Ankush Saxena, M. M. Sharma, Prince Sharma +5
Here, we report successful single crystal growth of SnSb2Te4 using the self-flux method. Unidirectional crystal growth is confirmed through X Ray Diffraction (XRD) pattern taken on…
Probing the Topological Surface States through Magnetoresistance and Ultrafast Charge Carrier Dynamics in (Bi/Sb)2Te3
Prince Sharma, Yogesh Kumar, V. P. S. Awana +1
Topological insulators with their topological protected surface states are highly promising quantum materials. In this article the micro-flakes of single-crystalline topological in…
Superconductivity with Topological non-trivial surface states in NbC
N. K. Karn, M. M. Sharma, Prince Sharma +3
Quantum materials with non-trivial band topology and bulk superconductivity are considered superior materials to realize topological superconductivity. In this regard, we report de…
Modeling of Magneto-Conductivity of Bismuth Selenide -- A Topological Insulator
Yogesh Kumar, Rabia Sultana, Prince Sharma +1
We report the magneto-conductivity analysis of Bi2Se3 single crystal at different temperatures in a magnetic field range of 14Tesla. The single crystals are grown by the self-flux…
Comprehensive Analysis for the High Field Magneto-conductivity of Bi2Te3 Single Crystal
Yogesh Kumar, Rabia Sultana, V. P. S. Awana
Here, we report the magneto-conductivity (up to 14Tesla and down to 5K) analysis of Bi2Te3 single-crystal. A sharp magneto-conductivity (MC) rise (inverted v-type cusp) is observed…
Excited-state dynamics of structurally characterized crystal of SnxSb1-x
Prince Sharma, M. M. Sharma, Kapil Kumar +2
The topological behavior of heavy metal alloys opens a vast area for incredible research and future technology. Here, we extend our previous report about the superconducting proper…
High Field Magneto-Transport of Mixed Topological Insulators Bi2Se3-xTex (x = 0, 1, 2 & 3)
Deepak Sharma, Yogesh Kumar, P. Kumar +3
The article comprises structural, microstructural, and physical properties analysis of Bi2Se3-xTex (x= 0, 1, 2 and 3) mixed topological insulator (MTI) single crystals. All the cry…
Metal Doping in Topological Insulators- A Key for Tunable Generation of Terahertz
Prince Sharma1, M. M Sharma, Mahesh Kumar +1
The unique surface edge states make topological insulators a primary focus among different applications. In this article, we synthesized a large single crystal of Niobium(Nb)-doped…
Type-II Superconductivity below 4K in Sn0.4Sb0.6
M. M. Sharma, Kapil Kumar, Lina Sang +2
In this article, we report the occurrence of superconductivity in Sn0.4Sb0.6 single crystal at below 4K. Rietveld refined Powder XRD data confirms the phase purity of as grown crys…