441 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- CSIR National Physical Laboratory of IndiaIN125 papers
- Academy of Scientific and Innovative ResearchIN58 papers
- Indian Institute of Science BangaloreIN20 papers
- Indian Institute of Technology KanpurIN18 papers
- Bhabha Atomic Research CentreIN15 papers
- Jamia Millia IslamiaIN15 papers
- University of DelhiIN15 papers
- Indian Institute of Technology BombayIN12 papers
- Jawaharlal Nehru UniversityIN11 papers
- National Chemical LaboratoryIN11 papers
- Jawaharlal Nehru Centre for Advanced Scientific ResearchIN8 papers
- University of St AndrewsGB8 papers
92 papers · 1 filter
Interplay between superconducting fluctuations and weak localization in disordered TiN thin films
Sachin Yadav, Bikash Gajar, R. P. Aloysius +1
The interplay between superconducting fluctuations (SFs) and weak localization (WL) has been probed by temperature dependent resistance [R(T)] and magnetoresistance (MR) measuremen…
Superconductivity at 9 K in Pb-Bi Alloy
N. K. Karn, Kapil Kumar, Naveen Kumar +4
In the present work, we report the synthesis of Pb-Bi alloy with enhanced Tc of up to 9K, which is higher than that of Pb. The alloy is synthesized via a solid-state reaction route…
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…
Fermi surface and band structure of BiPd from ARPES studies
H. Lohani, P. Mishra, Anurag Gupta +2
We present a detailed electronic structure study of the non-centrosymmetric superconductor BiPd based on our angle resolved photoemission spectroscopy (ARPES) measurements and Dens…
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…
Normal state magneto transport properties of FeSeTe superconductor: The role of topological surface states
N. K. Karn, M. M. Sharma, V. P. S. Awana
Doped Iron Chalcogenide (FeCh) superconductors are extensively studied in the context of topological superconductivity. However, the evidence of topological surface states in elect…
Probing electron-electron interaction along with superconducting fluctuations in disordered TiN thin films
Sachin Yadav, Vinay Kaushik, M. P. Saravanan +1
Here, we demonstrate an interplay between superconducting fluctuations and electron-electron interaction (EEI) by low temperature magnetotransport measurements for a set of 2D diso…
Sn2Pd: a possible superconducting material with topological surface states
M. M. Sharma, V. P. S. Awana
In this article, we report the detailed magneto transport measurements of the topological semimetal (TSM) candidate, Sn2Pd. Single crystal of Sn2Pd is synthesized through the self-…
Novel Emergent Phases in a Two-Dimensional Superconductor
Simrandeep Kaur, Hemanta Kumar Kundu, Sumit Kumar +4
In this letter, we report our observation of an extraordinarily rich phase diagram of a LaScO/SrTiO heterostructure. Close to the superconducting transition temperature, th…
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…
Detailed magneto-heat capacity analysis of SnAs topological superconductor
M. M. Sharma, V. P. S. Awana
In this article, we report magneto-heat capacity analysis of superconducting SnAs, which is characterized through X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), a…
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…
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…
A Robust nitridation technique for fabrication of disordered superconducting TiN thin films featuring phase slip events
Sachin Yadav, Vinay Kaushik, M. P. Saravanan +3
Disorder induced phase slip (PS) events appearing in the current voltage characteristics (IVCs) are reported for two-dimensional TiN thin films produced by a robust substrate media…
Superconductivity below 2.5K in Nb0.25Bi2Se3 topological insulator single crystal
M. M. Sharma, P. Rani, Lina Sang +2
We report crystal growth and below 2.5K superconductivity of Nb0.25Bi2Se3. These crystals are grown by self flux method. The X-ray diffraction (XRD) pattern of as grown crystal fla…
Substrate mediated nitridation of niobium into superconducting Nb2N thin films for phase slip study
Bikash Gajar, Sachin Yadav, Deepika Sawle +4
Here we report a novel nitridation technique for transforming niobium into hexagonal Nb2N which appears to be superconducting below 1K. The nitridation is achieved by high temperat…
Protected superconductivity at the boundaries of charge-density-wave domains
B. Leridon, J. Vanacken, V. Moshchalkov +7
Solid 4He may acquire superfluid characteristics due to the frustration of the solid phase at grain boundaries. Here, we show that an analogous effect occurs in systems with compet…
Superconductivity in doped FeTe1-xSx (x= 0.00 to 0.25) single crystals
P. K Maheshwar, V. Raghavendra Reddy, B. Gahtori +1
We report self flux growth and characterization of FeTe1-xSx (x= 0.00 to 0.25) single crystal series. Surface X-ray diffraction (XRD) exhibited crystalline nature with growth in (0…
Short Note on Superconductivity at Ambient Temperature and Pressure in Silver Embedded Gold Nano-particles: A Goldsmith job ahead
V. P. S. Awana
Very recent observation of superconductivity in both transport (resistance versus temperature) and magnetization (Zero field cooled) at around 235 K has obviously raised many eyebr…
Heat capacity and Mosssbauer study of Self flux grown FeTe Single Crystal
P. K Maheshwari, V. Raghavendra Reddy, V. P. S. Awana
We report mainly the heat capacity and Mossbauer study of self flux grown FeTe single crystal, which is ground state compound of the Fe chalcogenides superconducting series, i.e.,…
Competition between electron pairing and phase coherence in superconducting interfaces
G. Singh, A. Jouan, L. Benfatto +12
The large diversity of exotic electronic phases displayed by two-dimensional superconductors confronts physicists with new challenges. These include the recently discovered quantum…
Evidence for conventional superconductivity in Sr0.1Bi2Se3 from high pressure studies
K. Manikandan, Shruti, P. Neha +9
SrxBi2Se3 is recently reported to be a superconductor derived from topological insulator Bi2Se3. It shows a maximum resistive Tc of 3.25 K at ambient pressure. We report magnetic (…