31 citations · 118 across the 25 of their papers we have counts for
25 papers
Ferromagnetic Spin Glass State and Anomalous Hall Effect in Topological Semimetal Candidate Mn2Sb2Te5
M. M. Sharma, Ankush Saxena, S. M. Huang +3
Materials that intrinsically possess both magnetism and topological states represent a key frontier of quantum materials research. Recently, Mn2(Bi/Sb)2Te5 has emerged as a promisi…
Field driven Metal-Insulator transition in rhombohedral Bismuth and Arsenic crystals
N. K. Karn, Mukul S. Laad, V. P. S. Awana
The metal to insulator (MIT) transition is accompanied by huge changes in physical responses by the control and tuning of experimental parameters like doping, pressure, chemical co…
Crystal Growth & Physical Property Characterization of Mixed Topological Insulator BiSbTe
Dinesh Kumar, Kapil Kumar, N. K. Karn +3
This article reports the synthesis of a single crystalline mixed topological insulator (TI) BiSbTe and its detailed structural and magneto-transport properties. The single crys…
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…
Investigation of Angle dependent SdH oscillations in Topological Insulator Bismuth
N. K. Karn, Yogesh Kumar, Geet Awana +1
The current article investigated the band structure in the presence and absence of spin-orbit coupling (SOC), examined the Z2 invariants, and investigated the detailed angle-depend…
Anisotropy in Electronic and Magneto-transport of 2D superconductor NbSe
N. K. Karn, M. M. Sharma, I. Felner +1
This article reports the successful synthesis of single crystalline two-dimensional thin flakes of NbSe. The XRD pattern of the grown crystal ensured its crystallization in a s…
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…
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…
Electronic Transport and Fermi Surface Topology of Zintl Phase Compound SrZn2Ge2
M. K. Hooda, A. Chakraborty, S. Roy +7
We report a comprehensive study on the electronic transport properties of SrZn2Ge2 single crystals. The electrical resistivity of the compound exhibits metallic behavior, following…
Absence of superconductivity in LK-99 at ambient conditions
Kapil Kumar, N. K. Karn, Yogesh Kumar +1
The report of synthesis of modified Lead apatite (LK-99) with evidence of superconductivity at more than boiling water temperature has steered the whole scientific community. There…
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…
Weak Antilocalization and topological edge states in PdSn
N. K. Karn, M. M. Sharma, V. P. S. Awana
Here we report, the successful synthesis of single crystals of topological semimetal (TSM) candidate, PdSn using the self-grown route. The synthesized crystal is well character…
Two-fold anisotropic superconducting state in topological superconductor SnAu
M. M. Sharma, Ganesh Gurjar, S. Patnaik +1
Here we report the anisotropic magnetotransport properties in the superconducting state of SnAu single crystal. SnAu single crystal is synthesized through an easy melt grow…
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…
Detailed structural and topological analysis of SnBi2Te4 single crystal
Ankush Saxena, N. K. Karn, M. M. Sharma +1
We report herein the successful synthesis of the topological material SnBi2Te4 in single-crystal form. Phase purity and unidirectional growth are evident from X-ray diffraction (XR…
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…
Weak antilocalization and ferromagnetism in magnetic Weyl semimetal Co3Sn2S2
Kapil Kuma, M. M. Sharma, V. P. S. Awana
Here we report successful synthesis of single crystalline magnetic Weyl semimetal Co3Sn2S2. The synthesized crystal is characterized through various tools viz. X-ray diffraction, f…
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-…
Thickness-Dependent Magneto Transport of Bi2Se3/SiO2 Topological Insulator thin films
Yogesh Kumar, Prince Sharma, V. P. S. Awana
Topological insulators are immensely investigated for their surface states related properties as these materials can be used for various spintronics, quantum computing, and optoele…
Probing the topological surface states in superconducting Sn4Au single crystal: A magneto transport study
M. M. Sharma, Poonam Rani, V. P. S. Awana
Materials exhibiting bulk superconductivity along with magnetoresistance (MR) in their normal state have emerged as suitable candidates for topological superconductivity. In this a…
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…
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…
Effect of magnetic (Nd) doping on electrical and magnetic properties of topological Sb2Te3 single crystal
Kapil Kumar, Yogesh Kumar, M. Singh +3
Here, we report the growth and characterization of single crystals of NdxSb2-xTe3, by solid state reaction route via self-flux method. The phase and layered growth are confirmed th…