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
258 papers
Moire-Engineered Excitonic Landscape and Phonon-Mediated Recombination in Twisted WSe2 Bilayers
Memansa Thapa, Aksa Thomas, Jayalekshmi U. J. +7
We report light emission from the moire superlattice of a twisted bilayer of tungsten diselenide (WSe2/WSe2) encapsulated in insulating hexagonal boron nitride (hBN). The low-tempe…
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…
Magneto transport and first principle study of strong topological insulator gray Arsenic
N. K. Karn, Kapil Kumar, Geet Awana +3
This article reports the synthesis of a single crystalline gray Arsenic (As) via the Bismuth flux method. The X-ray Diffraction (XRD) pattern revealed the single phase of the grown…
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…
Weak Anti-Localization Effect in Topological NiInS Single Crystal
Kapil Kumar, Yogesh Kumar, V. P. S. Awana
NiInS is the most recent entrant into the family of topological insulator (TI) materials, the same exhibits very high MR in a low-temperature regime. Here, we report th…
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…
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…
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…
Band topology and non-trivial surface States in type-II Dirac semi-metal (Ni, Pd)Te2
NK Karn, VPS Awana
The semi-metals having electrons near the Fermi level follow the relativistic equation of motion, and show Dirac or Weyl-type behavior. Their orbital resolved electronic bands anal…
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…
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…
2D-Double transition metal MXenes for spintronics applications: surface functionalization induced ferromagnetic half-metallic complexes
Kripa Dristi Dihingia, Swagata Saikia, N. Yedukondalu +2
MXenes are rapidly emerging two-dimensional (2D) materials with thickness, composition, and functionalization-dependent outstanding properties having applications in diverse fields…
Investigation of structural and magneto-transport properties of PdTe2 single crystals
Yogesh Kumar, Prince Sharma, M. M. Sharma +1
The growth and structural analysis of topological semimetal (TSM) PdTe2 were carried out in this study. The self-flux method was employed to grow the single crystals which were str…
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…
Surface states induced weak anti-localization effect in Bi0.85Sb0.15 topological single crystal
Yogesh Kumar, VPS Awana
We report, an experimental evidence of surface states (SS) driven magneto-transport in a Bi0.85Sb0.15 single crystal. Detailed high field (up to 12T) and low temperature (down to 2…
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…
Tuneable electron-magnon coupling of ferromagnetic surface states in PdCoO
Federico Mazzola, Chi-Ming Yim, Veronika Sunko +11
Controlling spin wave excitations in magnetic materials underpins the burgeoning field of magnonics. Yet, little is known about how magnons interact with the conduction electrons o…
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…