Extremely large nonsaturating magnetoresistance and ultrahigh mobility due to topological surface states in the metallic topological insulator

K Shrestha, M Chou, D Graf, HD Yang, B Lorenz… - Physical Review B, 2017 - APS
Weak antilocalization (WAL) effects in Bi 2 Te 3 single crystals have been investigated at
high and low bulk charge-carrier concentrations. At low charge-carrier density the WAL …

Nontrivial Fermi surface topology of the kagome superconductor probed by de Haas–van Alphen oscillations

K Shrestha, R Chapai, BK Pokharel, D Miertschin… - Physical Review B, 2022 - APS
We have investigated the normal state Fermi-surface properties of the kagome
superconductor CsV 3 Sb 5 using torque magnetometry with applied fields (H) up to 35 T …

Electronic properties of kagome metal using high-field torque magnetometry

K Shrestha, B Regmi, G Pokharel, SG Kim, SD Wilson… - Physical Review B, 2023 - APS
This work presents electronic properties of the kagome metal ScV 6 Sn 6 using de Haas–
van Alphen (dHvA) oscillations and density-functional theory (DFT) calculations. The torque …

High quantum oscillation frequencies and nontrivial topology in kagome superconductor probed by torque magnetometry up to 45 T

K Shrestha, M Shi, B Regmi, T Nguyen, D Miertschin… - Physical Review B, 2023 - APS
Here, we present the Fermi surface properties of the kagome superconductor KV 3 Sb 5
using torque magnetometry at applied fields up to 45 T and temperatures down to that of …

Fermiology of the Dirac type-II semimetal candidates (Ni,Zr) using de Haas–van Alphen oscillations

T Nguyen, N Aryal, BK Pokharel, L Harnagea… - Physical Review B, 2022 - APS
We have investigated the Fermi surface properties of the Dirac type-II semimetal candidates
(Ni, Zr) Te 2 using torque magnetometry with applied fields up to 35 T. Magnetization shows …

Fermi surface mapping of the kagome superconductor using de Haas-van Alphen oscillations

K Shrestha, M Shi, T Nguyen, D Miertschin, K Fan… - Physical Review B, 2023 - APS
We present the results from torque magnetometry studies of the kagome superconductor
RbV 3 Sb 5 under applied fields up to 45 T and temperatures down to liquid He 3 …

Photothermal Control of Helicity-Dependent Current in Epitaxial Sb2Te2Se Topological Insulator Thin-Films at Ambient Temperature

S Roy, S Manna, C Mitra, B Pal - ACS Applied Materials & …, 2022 - ACS Publications
Optical control of helicity-dependent photocurrent in topological insulator (TI) Sb2Te2Se has
been studied at room temperature on epitaxial thin-films grown by pulsed laser deposition …

[HTML][HTML] Weak antilocalization effect due to topological surface states in Bi2Se2. 1Te0. 9

K Shrestha, D Graf, V Marinova, B Lorenz… - Journal of Applied …, 2017 - pubs.aip.org
We have investigated the weak antilocalization (WAL) effect in the p-type Bi 2 Se 2.1 Te 0.9
topological system. The magnetoconductance shows a cusp-like feature at low magnetic …

Quantum coherent transport and electron–electron interaction in BiSbTe3 single crystals

I Rajput, S Baral, MK Dasoundhi, D Kumar… - Materials Today …, 2022 - Elsevier
This report focuses on the role of defects on magnetotransport properties of the single crystal
of BiSbTe 3 topological insulator. Two cleaved crystals S1 and S2 of the same boule have …

Magnetic order and surface state gap in

TK Dalui, PK Ghose, S Majumdar, SK Mahatha… - Physical Review B, 2021 - APS
Magnetic transition element doping in topological insulators, which breaks the time-reversal
symmetry, gives rise to the diverse range of exotic consequences, though proper …