Arnab Pariari
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View article: Escape-Induced Temporally Correlated Noise Driven Universality Crossover
Escape-Induced Temporally Correlated Noise Driven Universality Crossover Open
Universal behavior in far-from-equilibrium systems is driven by interactions between transport processes and noise structure. The Kardar-Parisi-Zhang (KPZ) framework predicts that extensions incorporating conserved currents or temporally c…
View article: Experimental Detection of Topological Electronic State and Large Linear Magnetoresistance in SrSn<sub>4</sub> Superconductor
Experimental Detection of Topological Electronic State and Large Linear Magnetoresistance in SrSn<sub>4</sub> Superconductor Open
While recent experiments confirm the existence of hundreds of topological electronic materials, only a few exhibit the coexistence of superconductivity (SC) and a topological electronic state. These compounds attract significant attention …
View article: Kramers nodal line in the charge density wave state of YTe$_3$ and the influence of twin domains
Kramers nodal line in the charge density wave state of YTe$_3$ and the influence of twin domains Open
Recent studies have focused on the relationship between charge density wave (CDW) collective electronic ground states and nontrivial topological states. Using angle-resolved photoemission and density functional theory, we establish that YT…
View article: Room Temperature Relaxometry of Single Nitrogen Vacancy Centers in Proximity to α-RuCl<sub>3</sub> Nanoflakes
Room Temperature Relaxometry of Single Nitrogen Vacancy Centers in Proximity to α-RuCl<sub>3</sub> Nanoflakes Open
Nitrogen vacancy (NV) center-based magnetometry has been proven to be a versatile sensor for various classes of magnetic materials in broad temperature and frequency ranges. Here, we use the longitudinal relaxation time T1 of single NV cen…
View article: Demonstration and imaging of cryogenic magneto-thermoelectric cooling in a van der Waals semimetal
Demonstration and imaging of cryogenic magneto-thermoelectric cooling in a van der Waals semimetal Open
Attaining viable thermoelectric cooling at cryogenic temperatures is of considerable fundamental and technological interest for electronics and quantum materials applications. In-device temperature control can provide more efficient and pr…
View article: Room temperature relaxometry of single nitrogen-vacancy centers in proximity to $α$-RuCl$_3$ nanoflakes
Room temperature relaxometry of single nitrogen-vacancy centers in proximity to $α$-RuCl$_3$ nanoflakes Open
Investigating spin and charge noise in strongly correlated electron systems is a valuable way to analyze their physical properties and unlock new phases of matter. In this context, nitrogen-vacancy (NV) center-based magnetometry has been p…
View article: Imaging the Ettingshausen effect and cryogenic thermoelectric cooling in a van der Waals semimetal
Imaging the Ettingshausen effect and cryogenic thermoelectric cooling in a van der Waals semimetal Open
Attaining viable thermoelectric cooling at cryogenic temperatures is of major fundamental and technological interest for novel electronics and quantum materials applications. In-device temperature control can provide a more efficient and p…
View article: Growth of bilayer stanene on a magnetic topological insulator aided by a buffer layer
Growth of bilayer stanene on a magnetic topological insulator aided by a buffer layer Open
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 demonstrates the formation of up to bilayer stanene on 30\% Sb-doped M…
View article: Scanning SQUID-on-tip microscope in a top-loading cryogen-free dilution refrigerator
Scanning SQUID-on-tip microscope in a top-loading cryogen-free dilution refrigerator Open
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 the nanoscale imaging of magnetic, thermal, and transport properties of mic…
View article: Scanning SQUID-on-tip microscope in a top-loading cryogen-free dilution refrigerator
Scanning SQUID-on-tip microscope in a top-loading cryogen-free dilution refrigerator Open
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 imaging of magnetic, thermal, and transport properties of microsc…
View article: Charge density wave induced nodal lines in LaTe$_3$
Charge density wave induced nodal lines in LaTe$_3$ Open
LaTe$_3$ 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$_3$ hosts a Kramers nodal line (KNL), a twofold degenerate nodal l…
View article: Fascinating interplay between Charge Density Wave Order and magnetic field in Non-magnetic Rare-Earth Tritelluride LaTe$_{3}$
Fascinating interplay between Charge Density Wave Order and magnetic field in Non-magnetic Rare-Earth Tritelluride LaTe$_{3}$ Open
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 to unearth novel CDW states. Here, we combine extensive ma…
View article: Magnetotransport properties and giant anomalous Hall angle in the half-Heusler compound TbPtBi
Magnetotransport properties and giant anomalous Hall angle in the half-Heusler compound TbPtBi Open
Magnetic lanthanide half-Heuslers ($R$PtBi; $R$ being the lanthanide)\nrepresent an attractive subgroup of the Heusler family and have been identified\nas ideal candidates for time reversal symmetry breaking topological Weyl\nsemimetals. I…
View article: Anisotropic transverse magnetoresistance and Fermi surface in TaSb2
Anisotropic transverse magnetoresistance and Fermi surface in TaSb2 Open
TaSb 2 has been predicted theoretically to be a weak topological insulator. Whereas, the earlier magnetotransport experiment has established it as a topological semimetal. In the previous works, the Shubnikov-de Haas oscillation has been a…
View article: Probing lattice dynamics and electron-phonon coupling in the topological nodal-line semimetal ZrSiS
Probing lattice dynamics and electron-phonon coupling in the topological nodal-line semimetal ZrSiS Open
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 applications. ZrSiS is a newly discovered topological nodal-…
View article: Tip-induced Superconductivity Coexisting with Preserved Topological Properties in Line-nodal Semimetal ZrSiS
Tip-induced Superconductivity Coexisting with Preserved Topological Properties in Line-nodal Semimetal ZrSiS Open
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 unusually high energy of 2\,eV. Such a robust linear dispersion ma…
View article: Magnetotransport properties and evidence of a topological insulating state in LaSbTe
Magnetotransport properties and evidence of a topological insulating state in LaSbTe Open
In this report, we present the magnetotransport and magnetization properties\nof LaSbTe single crystals. Magnetic field-induced turn-on behavior and\nlow-temperature resistivity plateau have been observed. By adopting both\nmetal-semicondu…
View article: Effect of pressure on normal and superconducting state properties of iron based superconductor PrFeAsO0.6F y (y = 0.12, 0.14)
Effect of pressure on normal and superconducting state properties of iron based superconductor PrFeAsO0.6F y (y = 0.12, 0.14) Open
The effect of high pressure (up to 8 GPa) on normal and superconducting state properties of PrFeAsO 0.6 F 0.12 , an 1111-type iron based superconductor close to optimal doped region, has been investigated by measuring the temperature depen…
View article: Prominent metallic surface conduction and the singular magnetic response of topological Dirac fermion in three-dimensional topological insulator Bi1.5Sb0.5Te1.7Se1.3
Prominent metallic surface conduction and the singular magnetic response of topological Dirac fermion in three-dimensional topological insulator Bi1.5Sb0.5Te1.7Se1.3 Open
We report semiconductor to metal-like crossover in the temperature dependence of resistivity ( ρ ) due to the switching of charge transport from bulk to surface channel in three-dimensional topological insulator Bi 1.5 Sb 0.5 Te 1.7 Se 1.3…
View article: Anisotropic Fermi surface probed by the de Haas-van Alphen oscillation in proposed Dirac Semimetal TaSb$_{2}$
Anisotropic Fermi surface probed by the de Haas-van Alphen oscillation in proposed Dirac Semimetal TaSb$_{2}$ Open
TaSb$_{2}$ has been predicted theoretically and proposed through magnetotransport experiment to be a topological semimetal. In earlier reports, the Shubnikov-de Haas oscillation has been analyzed to probe the Fermi surface, with magnetic f…
View article: Large nonsaturating magnetoresistance and signature of nondegenerate Dirac nodes in ZrSiS
Large nonsaturating magnetoresistance and signature of nondegenerate Dirac nodes in ZrSiS Open
Significance Topological semimetals provide the opportunity to explore the fundamental physics of relativistic particles and offer the possibility of technological applications. However, finding robust systems with a sufficiently large ran…
View article: Signature of topological Dirac fermion in magnetization measurements of three-dimensional topological insulator Bi$_{1.5}$Sb$_{0.5}$Te$_{1.7}$Se$_{1.3}$
Signature of topological Dirac fermion in magnetization measurements of three-dimensional topological insulator Bi$_{1.5}$Sb$_{0.5}$Te$_{1.7}$Se$_{1.3}$ Open
Here, we report the observation of anomalous cusp-like paramagnetic peak over the native diamagnetic background of three-dimensional topological insulator Bi$_{1.5}$Sb$_{0.5}$Te$_{1.7}$Se$_{1.3}$ in magnetization measurements. Similar to t…
View article: Titanic magnetoresistance and signature of non-degenerate Dirac nodes in ZrSiS
Titanic magnetoresistance and signature of non-degenerate Dirac nodes in ZrSiS Open
We present the results on magnetotransport properties of ZrSiS single crystals. Extremely large, non-saturating and non-linear magneto-resistance ($\sim$ 1.4 $\times$ 10$^{5}$\%) is observed at 2 K and 9 T magnetic field. Large anisotropy …