310 citations · 1.1k across the 22 of their papers we have counts for
22 papers
Kramers nodal line in the charge density wave state of YTe and the influence of twin domains
Shuvam Sarkar, Joydipto Bhattacharya, Pramod Bhakuni +13
Recent studies have focused on the relationship between charge density wave (CDW) collective electronic ground states and nontrivial topological states. Using angle-resolved photoe…
Growth of bilayer stanene on a magnetic topological insulator aided by a buffer layer
Sajal Barman, Pramod Bhakuni, Shuvam Sarkar +10
Stanene, a two-dimensional counterpart to graphene, has the potential to exhibit novel quantum phenomena when grown on a magnetic topological insulator (MTI). This work demonstrate…
Scanning SQUID-on-tip microscope in a top-loading cryogen-free dilution refrigerator
Haibiao Zhou, Nadav Auerbach, Indranil Roy +12
The scanning superconducting quantum interference device (SQUID) fabricated on the tip of a sharp quartz pipette (SQUID-on-tip) has emerged as a versatile tool for nanoscale imagin…
Charge density wave induced nodal lines in LaTe
Shuvam Sarkar, Joydipto Bhattacharya, Pampa Sadhukhan +11
LaTe is a noncentrosymmetric (NC) material with time reversal (TR) symmetry in which the charge density wave (CDW) is hosted by the Te bilayers. Here, we show that LaTe hos…
Direct observation of vortices in an electron fluid
Amit Aharon-Steinberg, Tobias Völkl, Arkady Kaplan +12
Vortices are the hallmarks of hydrodynamic flow. Recent studies indicate that strongly-interacting electrons in ultrapure conductors can display signatures of hydrodynamic behavior…
Anomalous Hall effect in half-metallic Heusler compound CoTi (=Si, Ge)
Shubhankar Roy, Ratnadwip Singha, Arup Ghosh +2
Though Weyl fermions have recently been observed in several materials with broken inversion symmetry, there are very few examples of such systems with broken time reversal symmetry…
Atoms to topological electronic materials: A bedtime story for beginners
Arnab Kumar Pariari
In this review, We discussed the theoretical foundation and experimental discovery of different topological electronic states of material in condensed matter. At first, we briefly…
Complex exchange mechanism driven ferromagnetism in half-metallic Heusler CoTiGe: Evidence from critical behavior
Shubhankar Roy, Nazir Khan, Ratnadwip Singha +2
We have investigated the critical phenomenon associated with the magnetic phase transition in the half-metallic full-Heusler CoTiGe. The compound undergoes a continuous ferroma…
Magnetotransport properties and giant anomalous Hall angle in half-Heusler compound TbPtBi
Ratnadwip Singha, Shubhankar Roy, Arnab Pariari +2
Magnetic lanthanide half-Heuslers (PtBi; being the lanthanide) represent an attractive subgroup of the Heusler family and have been identified as ideal candidates for time r…
Fascinating interplay between Charge Density Wave Order and magnetic field in Non-magnetic Rare-Earth Tritelluride LaTe
Arnab Pariari, Sudipta Koley, Shubhankar Roy +4
Charge density wave (CDW) states in solids bear an intimate connection to underlying fermiology. Modification of the latter by a suitable perturbation provides an attractive handle…
Planar Hall effect in type II Dirac semimetal VAl
Ratnadwip Singha, Shubhankar Roy, Arnab Pariari +2
The study of electronic properties in topological systems is one of the most fascinating topics in condensed matter physics, which has generated enormous interests in recent times.…
Tip-induced Superconductivity Coexisting with Preserved Topological Properties in Line-nodal Semimetal ZrSiS
Leena Aggarwal, Chandan K. Singh, Mohammad Aslam +6
ZrSiS was recently shown to be a new material with topologically non-trivial band structure which exhibits multiple Dirac nodes and a robust linear band dispersion up to an unusual…
Magneto-transport properties of proposed triply degenerate topological semimetal PdBiS
Shubhankar Roy, Arnab Pariari, Ratnadwip Singha +2
We report transport properties of single-crystalline PdBiS, which has been predicted to host an unconventional electronic phase of matter beyond three-dimensional…
Probing lattice dynamics and electron-phonon coupling in topological nodal-line semimetal ZrSiS
Ratnadwip Singha, Sudeshna Samanta, Swastika Chatterjee +6
Topological materials provide an exclusive platform to study the dynamics of relativistic particles in table-top experiments and offer the possibility of wide-scale technological a…
Probing the Fermi surface and magnetotransport properties in MoAs
Ratnadwip Singha, Arnab Pariari, Prabhat Mandal +2
Transition metal dipnictides (TMDs) have recently been identified as possible candidates to host topology protected electronic band structure. These materials belong to an isostruc…
Anisotropic Fermi surface probed by the de Haas-van Alphen oscillation in proposed Dirac Semimetal TaSb
Arnab Pariari, Ratnadwip Singha, Shubhankar Roy +2
TaSb has been predicted theoretically and proposed through magnetotransport experiment to be a topological semimetal. In earlier reports, the Shubnikov-de Haas oscillation ha…
Prominent metallic surface conduction and the singular magnetic response of topological Dirac fermion in three-dimensional topological insulator BiSbTeSe
Prithwish Dutta, Arnab Pariari, Prabhat Mandal
We report semiconductor to metal-like crossover in temperature dependence of resistivity () due to the switching of charge transport from bulk to surface channel in three-dimens…
Magnetotransport properties and evidence of topological insulating state in LaSbTe
Ratnadwip Singha, Arnab Pariari, Biswarup Satpati +1
In this report, we present the magnetotransport and magnetization properties of LaSbTe single crystals. Magnetic field-induced turn-on behavior and low-temperature resistivity plat…
Coexistence of topological Dirac fermions in the surface and three-dimensional Dirac cone state in the bulk of ZrTe single crystal
Arnab Pariari, Prabhat Mandal
Although, the long-standing debate on the resistivity anomaly in ZrTe somewhat comes to an end, the exact topological nature of the electronic band structure remains elusive…
Large nonsaturating magnetoresistance and signature of non-degenerate Dirac nodes in ZrSiS
R. Singha, A. Pariari, B. Satpati +1
While the discovery of Dirac and Weyl type excitations in electronic systems is a major breakthrough in recent condensed matter physics, finding appropriate materials for fundament…
Probing the Fermi Surface of 3D Dirac Semimetal CdAs through de Haas-van Alphen Technique
A. Pariari, P. Dutta, P. Mandal
We have observed Shubnikov-de Haas and de Haas-van Alphen effect in the single crystals of three dimensional Dirac semimetal CdAs upto 50 K, traceable at field as low a…
Tuning the scattering mechanism in three-dimensional Dirac semimetal CdAs
A. Pariari, N. Khan, R. Singha +2
To probe the charge scattering mechanism in CdAs single crystal, we have analyzed the temperature and magnetic field dependence of the Seebeck coefficient (). The la…