337 citations · 1k across the 27 of their papers we have counts for
12 papers · 1 filter
Intrinsic nonreciprocal bulk plasmons in noncentrosymmetric magnetic systems
Debasis Dutta, Atasi Chakraborty, Amit Agarwal
Nonreciprocal plasmonics enables one-way light propagation at the nanoscale and it is an essential building block for photonics applications. Here, we explore intrinsic nonreciproc…
Modeling Motivational Interviewing Strategies On An Online Peer-to-Peer Counseling Platform
Raj Sanjay Shah, Faye Holt, Shirley Anugrah Hayati +4
Millions of people participate in online peer-to-peer support sessions, yet there has been little prior research on systematic psychology-based evaluations of fine-grained peer-cou…
Large nonsaturating magnetoresistance, weak anti-localization and non-trivial topological states in SrAlSi
Sudip Malick, A. B. Sarkar, Antu Laha +5
We explore the electronic and topological properties of single crystal SrAlSi using magnetotransport experiments in conjunction with first-principle calculations. We find t…
Strongly bound excitons in monolayer MoSiZ (Z = pnictogen)
Pushpendra Yadav, Bramhachari Khamari, Bahadur Singh +2
Reduced dielectric screening in two-dimensional materials enables bound excitons, which modifies their optical absorption and optoelectronic response even at room temperature. Here…
Nonlinear anomalous Hall effects probe topological phase-transitions in twisted double bilayer graphene
Atasi Chakraborty, Kamal Das, Subhajit Sinha +3
Nonlinear anomalous Hall effect is the Berry curvature dipole induced second-order Hall voltage or temperature difference in response to a longitudinal electric field or temperatur…
Tunable interband and intraband plasmons in twisted double bilayer graphene
Atasi Chakraborty, Debasis Dutta, Amit Agarwal
Flat bands in twisted moire superlattices support a variety of topological and strongly correlated phenomena along with easily tunable electrical and optical properties. Here, we d…
Nonlinear magnetoconductivity in Weyl and multi-Weyl semimetal in quantizing magnetic field
Sunit Das, Kamal Das, Amit Agarwal
Magnetotransport and magneto-optics experiments offer a very powerful probe for studying the physical properties of materials. Here, we investigate the second-order nonlinear magne…
Berry curvature dipole senses topological transition in a moiré superlattice
Subhajit Sinha, Pratap Chandra Adak, Atasi Chakraborty +8
Topological aspects of electron wavefunction play a crucial role in determining the physical properties of materials. Berry curvature and Chern number are used to define the topolo…
Magnetically tunable Dirac and Weyl fermions in the Zintl materials family
Anan Bari Sarkar, Sougata Mardanya, Shin-Ming Huang +7
Recent classification efforts encompassing crystalline symmetries have revealed rich possibilities for solid-state systems to support a tapestry of exotic topological states. Howev…
Collective plasmonic modes in the chiral multifold fermionic material CoSi
Debasis Dutta, Barun Ghosh, Bahadur Singh +4
Plasmonics in topological semimetals offers exciting opportunities for fundamental physics exploration as well as for technological applications. Here, we investigate plasmons in t…
Strain-tunable in-plane ferroelectricity and lateral tunnel junction in monolayer group-IV monochalcogenides
Achintya Priydarshi, Yogesh Singh Chauhan, Somnath Bhowmick +1
2D Ferroelectric materials are promising for designing low-dimensional memory devices. Here, we explore strain tunable ferroelectric properties of group-IV monochalcogenides MX (M=…
Two-dimensional MoSi2N4: An Excellent 2D Semiconductor for Transistors
Keshari Nandan, Barun Ghosh, Amit Agarwal +2
We report the performance of field-effect transistors (FETs), comprised of mono-layer of recently synthesized layered two-dimensional MoSi2N_4 as channel material, using the first…