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20202026
most citedRaman Spectroscopy of Bi2Se3-xTex (x= 0 to 3) Topological Insulator Crystals

31 citations · 118 across the 25 of their papers we have counts for

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cond-mat.mtrl-sci2026

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…

cond-mat.mtrl-sci2025

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…

cond-mat.mtrl-sci2025

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…

cond-mat.mtrl-sci2024★ 3 cited

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…

cond-mat.mtrl-sci2024

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…

cond-mat.mtrl-sci2023★ 12 cited

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…

cond-mat.mtrl-sci2023

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…

cond-mat.mtrl-sci2022★ 16 cited

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…

cond-mat.mtrl-sci2022★ 11 cited

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…

cond-mat.mtrl-sci2022

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…

cond-mat.mtrl-sci2022

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…

cond-mat.mtrl-sci2022★ 5 cited

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…

cond-mat.mtrl-sci2021

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…

cond-mat.mtrl-sci2020★ 31 cited

Raman Spectroscopy of Bi2Se3-xTex (x= 0 to 3) Topological Insulator Crystals

Deepak Sharma, M. M. Sharma, R. S. Meena +1

We report crystal growth and Raman spectroscopy characterization of pure and mixed bulk topological insulators. The series comprises of both binary and ternary tetradymite topologi…