output
20142024
most citedUnconventional Superconductivity at Mesoscopic Point-contacts on the 3-Dimensional Dirac Semi-metal CdAs

184 citations

21 papers

cond-mat.mtrl-sci2024★ 28 cited

Ultralow Lattice Thermal Conductivity in Complex Structure Cu26V2Sn6Se32 due to Interaction of Low-Frequency Acoustic-Optical Phonons

Kewal Singh Rana, Debattam Sarkar, Nidhi +4

Damping of phonon momentum suppresses the lattice thermal conductivity (kl) through low energy acoustic-optical phonon interactions. We studied the thermal transport properties and…

cond-mat.mtrl-sci2023★ 4 cited

Emerging interfacial magnetization in isovalent manganite heterostructures driven by octahedral coupling

Yogesh Kumar, Harsh Bhatt, S. Kakkar +7

The distortion of corner-sharing octahedra in isovalent perovskite transition-metal oxide interfaces is proven to be an excellent way to tailor the electronic and magnetic properti…

cond-mat.supr-con2023

Electrically controlled quantum transition to an anomalous metal in 2D

Soumyadip Halder, Mona Garg, Shreekant Gawande +5

The mechanism through which superconductivity is destroyed upon controlled disordering often holds the key to understanding the mechanism of emergence of superconductivity. Here we…

cond-mat.mtrl-sci2023★ 5 cited

Unconventional quantum oscillations and evidence of nonparabolic electronic states in quasi-two-dimensional electron system at complex oxide interfaces

Km Rubi, Denis R. Candido, Manish Dumen +10

The simultaneous occurrence of electric-field controlled superconductivity and spin-orbit interaction makes two-dimensional electron systems (2DES) constructed from perovskite tran…

cond-mat.mes-hall2023★ 1 cited

Odd symmetry planar Hall effect: A method of detecting current-induced in-plane magnetization switching

Raghvendra Posti, Abhishek Kumar, Mayank Baghoria +3

Type-x device attracts considerable interest in the field of spintronics due to its robust spin-orbit torque (SOT) induced magnetization switching, and easy deposition technique. H…

cond-mat.mtrl-sci2023★ 17 cited

Interaction of Acoustic and Optical Phonons in Soft Bonded Cu-Se Framework of Large Unit Cell Minerals with Anionic Disorders

Kewal Singh Rana, Raveena Gupta, Debattam Sarkar +6

Large unit cell copper-chalcogenide based minerals with high crystalline anharmonicity have a potential for thermoelectric applications owing to their inherent poor lattice thermal…

cond-mat.supr-con2022★ 6 cited

Experimental and first-principles studies of superconductivity in topological nodal line semimetal SnTaS

Soumen Ash, Moumita Naskar, Ravi Shankar P. N. +3

We report a detailed study of superconductivity in polycrystalline SnTaS using electrical transport, magnetization and heat capacity measurements. SnTaS crystallizes in cen…

cond-mat.str-el2021★ 1 cited

Bulk Rashba spin splitting and Dirac surface state in -type (BiSbSe single crystal

P. K. Ghose, S. Bandyopadhyay, T. K. Dalui +7

We report bulk Rashba spin splitting (RSS) and associated Dirac surface state in (BiSbSe, exhibiting dominant -type conductivity. We argue from the synchr…

cond-mat.mes-hall2019★ 121 cited

Planar Hall Effect and Anisotropic Magnetoresistance in a polar-polar interface of LaVO-KTaO with strong spin-orbit coupling

Neha Wadehra, Ruchi Tomar, R. K Gopal +3

Among the perovskite oxide family, KTaO (KTO) has recently attracted considerable interest as a possible system for the realization of the Rashba effect. In this work, we impro…

cond-mat.mtrl-sci2018★ 30 cited

A de Hass-van Alphen study of the Type-II Dirac semimetal candidates Te ( Pt, Pd)

Amit, R. K. Singh, Neha Wadhera +2

We report on a magneto-transport and quantum oscillations study on high quality single crystals of the transition metal di-tellurides PtTe and PdTe. The de Haas-van Alphen…

cond-mat.supr-con2016★ 4 cited

Enhanced zero-bias conductance peak and splitting at mesoscopic interfaces between an -wave superconductor and a 3D Dirac semimetal

Leena Aggarwal, Sirshendu Gayen, Shekhar Das +3

Mesoscopic point contacts between elemental metals and the topological 3D Dirac semimetal CdAs have been recently shown to be superconducting with unconventional pairing wh…

cond-mat.supr-con2016★ 28 cited

Unusual mixed valence of Eu in two new materials EuSr2Bi2S4F4 and Eu2SrBi2S4F4: Mössbauer and X-ray photoemission Spectroscopy investigations

Zeba Haque, Gohil Singh Thakur, Rangasamy Parthasarathy +9

We have synthesized two new Eu-based compounds, EuSr2Bi2S4F4 and Eu2SrBi2S4F4 which are derivatives of Eu3Bi2S4F4, an intrinsic superconductor with Tc = 1.5 K. They belong to a tet…

cond-mat.mes-hall2016★ 8 cited

Electrical domain writing and nanoscale potential modulation on LaVO/SrTiO

Mohammad Balal, Shilpa Sanwlani, Neha Wadehra +2

The high-mobility 2DEGs formed at the interfaces between certain insulating perovskite oxides have been known to be a novel playground of exotic physical orders like, superconducti…

cond-mat.supr-con2016★ 5 cited

Evidence of a pseudogap driven by competing orders of multi-band origin in the ferromagnetic superconductor SrCeFBiS

Mohammad Aslam, Arpita Paul, Gohil S. Thakur +7

From temperature and magnetic field dependent point-contact spectroscopy on the ferromagnetic superconductor SrCeFBiS (bulk superconducting = 2.5 K) we ob…

cond-mat.mtrl-sci2016★ 10 cited

Magnetic structures of rare earth intermetallic compounds RCuAs (R = Pr, Nd, Tb, Dy, Ho, and Yb)

Y. Zhao, J. W. Lynn, Gohil S. Thakur +3

Neutron scattering studies have been carried out on polycrystalline samples of a series of rare earth intermetallic compounds RCuAs (R = Pr, Nd, Dy, Tb, Ho and Yb) as a functio…

cond-mat.supr-con2015★ 1 cited

Coexistence of superconductivity and itinerant ferromagnetism in Sr0.5Ce0.5FBiS2-xSex (x = 0.5 and 1.0), the first non-U material with Tc < TFM

Gohil S. Thakur, G. Fuchs, K. Nenkov +4

We have carried out detailed magnetic and transport studies of the new Sr0.5Ce0.5FBiS2-xSex (x = 0.5, 1) superconductors derived by doping Se in Sr0.5Ce0.5FBiS2. Se-doping produces…

cond-mat.str-el2015★ 26 cited

Photoinduced demagnetization and insulator-to-metal transition in ferromagnetic insulating BaFeO thin films

T. Tsuyama, S. Chakraverty, N. Pontius +4

We studied the electronic and magnetic dynamics of ferromagnetic insulating BaFeO3 thin films by using pump-probe time-resolved resonant x-ray reflectivity at the Fe 2p edge. By ch…

cond-mat.supr-con2015★ 19 cited

Pressure enhanced superconductivity at 10 K in La doped EuBiS2F

Gohil S. Thakur, Rajveer Jha, Zeba Haque +3

Polycrystalline Eu0.5La0.5BiS2F was synthesized by solid state reaction which crystallizes in the tetragonal CeOBiS2 structure (P4/nmm). We report here enhancement of Tc to 2.2 K i…

cond-mat.supr-con2014★ 184 cited

Unconventional Superconductivity at Mesoscopic Point-contacts on the 3-Dimensional Dirac Semi-metal CdAs

Leena Aggarwal, Abhishek Gaurav, Gohil S. Thakur +3

Since the three dimensional (3D) Dirac semi-metal CdAs exists close to topological phase boundaries, in principle it should be possible to drive it into exotic new phases,…

cond-mat.supr-con2014★ 10 cited

CuFeAs: A New Member in the 111-Family of Iron-Pnictides

Gohil S Thakur, Zeba Haque, L C Gupta +1

We have synthesized CuFeAs, a new iron-pnictide compound with a layered tetragonal Cu2Sb type structure (space group P4/nmm: a = b = 3.7442(2) Å and c = 5.8925(4) Å) that is identi…

cond-mat.str-el2014★ 49 cited

X-ray spectroscopic study of BaFeO thin films; an Fe ferromagnetic insulator

T. Tsuyama, T. Matsuda, S. Chakraverty +7

We investigated the electronic and magnetic properties of fully oxidized BaFeO3 thin films, which show ferromagnetic-insulating properties with cubic crystal structure, by hard x-r…