867 citations · 1.5k across the 39 of their papers we have counts for
39 papers
Magnetic anisotropy in the near-stoichiometric van der Waals ferromagnet FeGeTe
Riju Pal, Joyal John Abraham, Satyabrata Bera +5
Quasi-two-dimensional (2D) van der Waals (vdW) ferromagnets such as the series FeGeTe, with a relatively high Curie temperature and robust metallicity, offer an ideal p…
Observation of correlation-driven topological transport and robust ferromagnetism in 2D CrS
Sk Md Obaidulla, M. Nur Hasan, Dayal Das +10
The realization of correlated layered magnets hosting robust ferromagnetism with emergent topological transport remains a key challenge in quantum materials. Here we report the fir…
Spin-phonon interaction in a symmetry-enforced spin-polarized state
Suman Kalyan Pradhan, Dayal Das, Shubham Patel +8
Symmetry-governed magnetic materials have emerged as a promising platform for spintronic functionalities without net magnetization or stray magnetic fields, motivating the explorat…
Impact of Disorder Dynamics and Multi-Domain Kinetics on the Sliding Ferroelectricity of CVD-Grown 3R-WSe2 Bilayers
Sourav Paul, Prasenjit Ghosh, Krishna Prasad Maity +9
Sliding ferroelectricity in van der Waals (vdW) layered systems has emerged as a promising route toward non-volatile nanoscale devices, where interlayer displacement in non-centros…
Intrinsic Electric Field Driven High Sensitive Photodetection in Alloy TMDC MoSSe
Chumki Nayak, Suvadip Masanta, Shubhadip Moulick +7
Alloying offers an effective way to improve the functionality of transition metal dichalcogenides (TMDCs) in both fundamental research and optoelectronic applications, as it allows…
Spin Reorientation Driven Renormalization of Spin-Phonon Coupling in FeGeTe
Riju Pal, Md. Nur Hasan, Chumki Nayak +9
Quasi-2D van der Waals ferromagnet FeGeTe, featuring the simultaneous presence of high Curie temperature ( K) and a spin-reorientation transition a…
Disentangling the unusual magnetic anisotropy of the near-room-temperature ferromagnet FeGeTe
Riju Pal, Joyal J. Abraham, Alexander Mistonov +9
In the quest for two-dimensional conducting materials with high ferromagnetic ordering temperature the new family of the layered FeGeTe compounds, especially the near-r…
Single-Defect Spectroscopy via Random Telegraph Noise in Graphene-Contacted ReS-hBN Heterostructures
Shubhrasish Mukherjee, Gaurab Samanta, Shubhadip Moulick +5
Defect spectroscopy in two-dimensional (2D) field-effect transistors (FETs) requires device architectures that suppress contact and disorder artifacts while preserving intrinsic ca…
Unconventional Electromechanical Response in Ferrocene Assisted Gold Atomic Chain
Biswajit Pabi, Štěpán Marek, Tal Klein +3
Atomically thin metallic chains serve as pivotal systems for studying quantum transport, with their conductance strongly linked to the orbital picture. Here, we report a non-monoto…
Alloying as a new route to generating interlayer excitons
Suvadip Masanta, Chumki Nayak, Premananda Chatterjee +3
Heterobilayers formed by stacking two-dimensional atomic crystals are particularly promising for low-dimensional semiconductor optics, as they host interlayer excitons, bound state…
Skyrmionic Transport and First Order Phase Transitions in Twisted Bilayer Graphene Quantum Hall Ferromagnet
Vineet Pandey, Prasenjit Ghosh, Riju Pal +6
Large-angle twisted bilayer graphene (TBLG) realizes a multicomponent quantum Hall (QH) platform of spin, valley and layer pseudospins with strong Coulomb interaction-driven symmet…
Valley polarization and photocurrent generation in transition metal dichalcogenide alloy MoSSe
Chumki Nayak, Suvadip Masanta, Sukanya Ghosh +4
Monolayer transition metal dichalcogenides (TMDCs) constitute the core group of materials in the emerging semiconductor technology of valleytronics. While the coupled spin-valley p…
Resonant transport in a highly conducting single molecular junction via metal-metal covalent bond
Biswajit Pabi, Štepán Marek, Adwitiya Pal +5
Achieving highly transmitting molecular junctions through resonant transport at low bias is key to the next-generation low-power molecular devices. Although, resonant transport in…
Detection of nontrivial topology driven by charge density wave in a semi-Dirac metal
Rafiqul Alam, Prasun Boyal, Shubhankar Roy +6
The presence of electron correlations in a system with topological order can lead to exotic ground states. Considering single crystals of LaAgSb2 which has a square net crystal str…
Establishing Magnetic Coupling in Spin-crossover-2D Hybrid Nanostructures via Interfacial Charge-transfer Interaction
Shatabda Bhattacharya, Shubhadip Moulick, Chinmoy Das +5
Despite a clear demonstration of bistability in spin-crossover (SCO) materials, the absence of long-range magnetic order and poor electrical conductivity limit their prospect in sp…
Structural regulation of mechanical gating in molecular junctions
Biswajit Pabi, Jakub Šebesta, Richard Korytár +2
In contrast to silicon-based transistors, single molecule junctions can be gated by simple mechanical means. Specifically, charge can be transferred between the junction's electrod…
Unusual magnetotransport and anomalous Hall effect in quasi-two-dimensional van der Waals ferromagnet FeGeTe
Riju Pal, Buddhadeb Pal, Suchanda Mondal +2
FeGeTe, an itinerant vdW ferromagnet (FM) having Curie temperature (T) close to room temperature ( K), exhibits another transition (T 120 K) whe…
Exciton-Plasmon Coupling Mediated Superior Photoresponse in 2D Hybrid Phototransistors
Shubhrasish Mukherjee, Didhiti Bhattacharya, Samit Kumar Ray +1
The possibility of creating heterostructure of two-dimensional (2D) materials has emerged as a viable route towards realizing novel optoelectronic devices. However, the low light a…
Enhanced coercivity and emergence of spin cluster glass state in 2D ferromagnetic material Fe3GeTe2
Satyabrata Bera, Suman Kalyan Pradhan, Riju Pal +8
Two-dimensional (2D) van der Waals (vdW) magnetic materials with high coercivity and high are desired for spintronics and memory storage applications. FeGeTe (…
Sensing Remote Bulk Defects Through Resistance Noise in a Large Area Graphene Field Effect Transistor
Shubhadip Moulick, Rafiqul Alam, Atindra Nath Pal
Substrate plays a crucial role in determining transport and low frequency noise behavior of graphene field effect devices. Typically, heavily dope Si/SiO substrate is used to f…
An experimental set up to probe the quantum transport through single atomic/molecular junction at room temperature
Biswajit Pabi, Atindra Nath Pal
Understanding the transport characteristics at the atomic limit is the prerequisite for futuristic nano-electronic applications. Among various experimental procedures, mechanically…
High performance Broadband Photodetection Based on Graphene -- MoSSe Alloy Engineered Phototransistors
Shubhrasish Mukherjee, Didhiti Bhattacharya, Samit Kumar Ray +1
The concept of alloy engineering has emerged as a viable technique towards tuning the bandgap as well as engineering the defect levels in two-dimensional transition metal dichalcog…
Revisiting the magnetic ordering through anisotropic magnetic entropy change in quasi-two-dimensional metallic ferromagnet, FeGeTe
Satyabrata Bera, Suman Kalyan Pradhan, Md Salman Khan +7
We have investigated the nature of ferromagnetic order and phase transitions in two dimensional (2D) van der Waals (vdW) layered material, FeGeTe through measurements of ma…
Superconductivity coexisting with ferromagnetism in a quasi-one dimensional non-centrosymmetric (TaSe)I
Arnab Bera, Sirshendu Gayen, Suchanda Mondal +13
Low-dimensional materials with broken inversion symmetry and strong spin-orbit coupling can give rise to fascinating quantum phases and phase transitions. Here we report coexistenc…