3.3k citations · 10.2k across the 89 of their papers we have counts for
90 papers
A High-Speed Waveguide Integrated InSe Photodetector on SiN Photonics for NIR Applications
Srinvasa Reddy Tamalampudi, Juan Esteban Villegas, Ghada Dushaq +3
On-chip integration of two-dimensional (2D) materials offers great potential for the realization of novel optoelectronic devices in different photonic platforms. In particular, ind…
Planar Thermal Hall Effects in Kitaev Spin Liquid Candidate Na2Co2TeO6
Hikaru Takeda, Jiancong Mai, Masatoshi Akazawa +7
We investigate both the longitudinal thermal conductivity () and the planar thermal Hall conductivity () in the Kitaev spin liquid candidate of Co-based honeycomb a…
Charge density wave and superconductivity in 6R-TaS2
Sudip Pal, Prakash Bahera, S. R. Sahoo +6
The layered transition metal dichalcogenide compounds 1T-TaS2 and 4H-TaS2 are well known for their exotic properties, which include charge density wave, superconductivity, Mott tra…
Lorentz-boost-driven magneto-optics in a Dirac nodal-line semimetal
J. Wyzula, X. Lu, D. Santos-Cottin +13
Optical response of crystalline solids is to a large extent driven by excitations that promote electrons among individual bands. This allows one to apply optical and magneto-optica…
Robust topological state against magnetic impurities observed in superconductor PbTaSe2
Daniel Multer, Jia-Xin Yin, Songtian S. Zhang +5
Magnetic impurities deposited on topological superconductor candidate PbTaSe2 can introduce a non-splitting zero-energy state inside the superconducting gap, which has been propose…
Pressure-induced excitations in the out-of-plane optical response of the nodal-line semimetal ZrSiS
J. Ebad-Allah, S. Rojewski, M. Vöst +9
The anisotropic optical response of the layered, nodal-line semimetal ZrSiS at ambient and high pressure is investigated by frequency-dependent reflectivity measurements for the po…
Observation of a Smoothly Tunable Dirac Point in
Sean Howard, Arjun Raghavan, Davide Iaia +9
State-of-the-art topological devices require the use topological surface states to drive electronic transport. In this study, we examine a tunable topological system, $Ge(Bi_{x}Sb_…
Hot carrier-assisted switching of the electron-phonon interaction in 1-VSe
Paulina Majchrzak, Sahar Pakdel, Deepnarayan Biswas +20
We apply an intense infrared laser pulse in order to perturb the electronic and vibrational states in the three-dimensional charge density wave material 1-VSe. Ultrafast sna…
Ice Giant Atmospheric Science
Emma K. Dahl, Shawn Brueshaber, Richard Cosentino +24
This white paper, written in support of NASA's 2023-2032 Planetary Decadal Survey, outlines 10 major questions that focus on the origin, evolution, and current processes that shape…
Fully gapped superconductivity without sign reversal in the topological superconductor PbTaSe
Yue Sun, Shunichiro Kittaka, Toshiro Sakakibara +8
We investigate the superconducting gap function of topological superconductor PbTaSe. Temperature, magnetic field, and three-dimensional (3D) field-angle dependences of the spe…
Wohlleben Effect and Emergent Pi junctions in superconducting Boron doped Diamond thin films
L. Govindaraj, S. Arumugam, R. Thiyagarajan +9
Diamond is an excellent band insulator. However, boron (B) doping is known to induce superconductivity. We present two interesting effects in superconducting B doped diamond (BDD)…
EPIC Simulations of Neptune's Dark Spots Using an Active Cloud Microphysical Model
Nathan Hadland, Ramanakumar Sankar, Raymond Paul LeBeau +1
The Great Dark Spot (GDS-89) observed by Voyager 2 was the first of several large-scale vortices observed on Neptune, the most recent of which was observed in 2018 in the northern…
Anisotropic transport and quantum oscillations in the quasi-one-dimensional TaNiTe5: Evidence for the nontrivial band topology
C. Q. Xu, Y. Liu, P. G. Cai +16
The past decade has witnessed the burgeoning discovery of a variety of topological states of matter with distinct nontrivial band topologies. Thus far, most of materials studied po…
Ultralow Schottky Barriers in hBN-Encapsulated Monolayer WSe Tunnel Field-Effect Transistors
Gaurav Pande, Jyun-Yan Siao, Wei-Liang Chen +7
To explore the potential of field-effect transistors (FETs) based on monolayers of the two-dimensional semiconducting channel(SC) for spintronics, the two most important issues are…
Electron-Electron Interactions in 2D Semiconductor InSe
Arvind Shankar Kumar, Kasun Premasiri, Min Gao +4
Electron-electron interactions (EEIs) in 2D van der Waals structures is one of the topics with high current interest in physics. We report the observation of a negative parabolic m…
Fragmentation modelling of the August 2019 impact on Jupiter
Ramanakumar Sankar, Csaba Palotai, Ricardo Hueso +3
On 7th August 2019, an impact flash lasting s was observed on Jupiter. The video of this event was analysed to obtain the lightcurve and determine the energy release and ini…
Random magnetic anisotropy driven transitions in layered perovskite LaSrCoO
Abdul Ahad, K. Gautam, S. S. Majid +8
Attempts to unravel the nature of magnetic ordering in LaSrCoO (Co), a compound intermediate between antiferromagnetic (AFM) LaCoO (Co) and ferromagnetic…
Field-free platform for topological zero-energy mode in superconductors LiFeAs and PbTaSe
Songtian S. Zhang, Jia-Xin Yin, Guangyang Dai +22
Superconducting materials exhibiting topological properties are emerging as an exciting platform to realize fundamentally new excitations from topological quantum states of matter.…
Dirac Nodal Line and Rashba Splitting Surface States in Nonsymmorphic ZrGeTe
Yun Yen, Cheng-Li Chiu, Ping-Hui Lin +4
Dirac semimetals (DSMs) are three dimensional analogue to graphene with symmety enforced bulk Dirac nodes. Among various DSMs, ZrSiS has been attracting more interests recently, du…
Oxidized-monolayer Tunneling Barrier for Strong Fermi-level Depinning in Layered InSe Transistors
Yi-Hsun Chen, Chih-Yi Cheng, Shao-Yu Chen +9
In 2D-semiconductor-based field-effect transistors and optoelectronic devices, metal-semiconductor junctions are one of the crucial factors determining device performance. The Ferm…
Magnetic and orbital correlations in multiferroic CaMnO probed by x-ray resonant elastic scattering
K. Gautam, S. S. Majid, S. Francoual +6
The quadruple perovskite CaMnO is a topical multiferroic, in which the hierarchy of electronic correlations driving structural distortions, modulated magnetism, and orbi…
Evidence for nematic superconductivity of topological surface states in PbTaSe2
Tian Le, Yue Sun, Hui-Ke Jin +16
Spontaneous symmetry breaking has been a paradigm to describe the phase transitions in condensed matter physics. In addition to the continuous electromagnetic gauge symmetry, an un…
3D Dirac semimetal Cd3As2: A review of material properties
I. Crassee, R. Sankar, W. -L. Lee +2
Cadmium arsenide (Cd3As2) - a time-honored and widely explored material in solid-state physics - has recently attracted considerable attention. This was triggered by a theoretical…
High-performance InSe Transistors with Ohmic Contact Enabled by Nonrectifying-barrier-type Indium Electrodes
Yu-Ting Huang, Yi-Hsun Chen, Yi-Ju Ho +10
The electrical contact to two-dimensional (2D)-semiconductor materials are decisive to the electronic performance of 2D-semiconductor field-effect devices (FEDs). The presence of a…