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 …

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 …

[HTML][HTML] Weak antilocalization, spin–orbit interaction, and phase coherence length of a Dirac semimetal Bi0.97Sb0.03

YA Salawu, JH Yun, JS Rhyee, M Sasaki, HJ Kim - Scientific Reports, 2022 - nature.com
The present study develops a general framework for weak antilocalization (WAL) in a three-
dimensional (3D) system, which can be applied for a consistent description of longitudinal …

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 …

Quantum oscillations in three-dimensional topological insulators

SI Vedeneev - Physics-Uspekhi, 2017 - iopscience.iop.org
Quantum oscillations in three-dimensional topological insulators - IOPscience Skip to content
IOP Science home Accessibility Help Search Journals Journals list Browse more than 100 …

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 …

[HTML][HTML] Topological delocalization and tuning of surface channel separation in Bi2Se2Te Topological Insulator Thin films

RK Gopal, S Singh, A Mandal, J Sarkar, C Mitra - Scientific Reports, 2017 - nature.com
The surface states of a 3D topological insulator (TI) exhibit topological protection against
backscattering. However, the contribution of bulk electrons to the transport data is an …

[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 …