61 citations · 174 across the 12 of their papers we have counts for
12 papers
Topological spin-texture transitions in van der Waals magnets revealed by X-ray Fourier transform holography
Sourav Chowdhury, Soumyaranjan Dash, Michael Schneider +14
Nontrivial topological spin-textures, such as skyrmions, merons, bimerons, and skyrmioniums, are envisioned as robust building blocks for future memory and logic devices. Controlla…
Active Noise Reduction in Si/SiGe Gated Quantum Dots
Rajat Bharadwaj, Parvathy Gireesan, Harikrishnan Sundaresan +5
Solid-state quantum technologies such as quantum dot qubits and quantum electrical metrology circuits rely on quantum phenomena at ultra-low energies, making them highly sensitive…
Density-driven scattering and valley splitting in undoped Si/SiGe two-dimensional electron system
Lucky Donald Lyngdoh Kynshi, Umang Soni, Chithra H Sharma +7
Undoped Si-SiGe two-dimensional electron gas (2DEG) provide an ideal platform for hosting quantum-dot spin-qubits owing enhanced spin dephasing times and compatibility with standar…
Refining Au/Sb alloyed ohmic contacts in undoped Si/SiGe strained quantum wells
LuckyDonald L Kynshi, Umang Soni, Chithra H Sharma +2
Shallow undoped Si/SiGe quantum wells are the leading platforms for hosting quantum processors based on spin-qubits. The ohmic contacts to the electron gas in these systems are acc…
Resistively detected electron spin resonance and g-factor in few-layer exfoliated MoS2 devices
Chithra H. Sharma, Appanna Parvangada, Lars Tiemann +3
MoS2 has recently emerged as a promising material for enabling quantum devices and spintronic applications. In this context, an improved physical understanding of the g-factor of M…
Addressing the spin-valley flavors in moir'e mini-bands of MoS2
Chithra H. Sharma, Marta Prada, Jan-Hendrik Schmidt +6
The physics of moir'e superlattices and the resulting formation of mini-bands in van der Waals materials have opened up an exciting new field in condensed matter physics. These sys…
Acoustically Induced Giant Synthetic Hall Voltages in Graphene
Pai Zhao, Chithra H. Sharma, Renrong Liang +7
Any departure from graphene's flatness leads to the emergence of artificial gauge fields that act on the motion of the Dirac fermions through an associated pseudomagnetic field. He…
Electron-Spin-Resonance in a proximity-coupled MoS2/Graphene van-der-Waals heterostructure
Chithra H. Sharma, Pai Zhao, Lars Tiemann +4
Coupling graphene's excellent electron and spin transport properties with higher spin-orbit coupling material allows tackling the hurdle of spin manipulation in graphene, due to th…
2D superconductivity and vortex dynamics in 1T-MoS2
Chithra H. Sharma, Ananthu P. Surendran, Sangeeth S. Varma +1
Two-dimensional (2D) superconductivity is a fascinating phenomenon packed with rich physics and wide technological application. The vortices and their dynamics arising from classic…
Stable and scalable metallic phase on MoS2 using forming-gas microwave plasma
Chithra H. Sharma, Ananthu P. Surendran, Abin Varghese +1
Monolithic realization of metallic 1T and semiconducting 2H polymorphic phases makes MoS2 a potential candidate for future microelectronic circuits. Though co-existence of these ph…
Topography preserved microwave plasma etching for top-down layer engineering in MoS2 and other van der Waals materials
Abin Varghese, Chithra H. Sharma and, Madhu Thalakulam
A generic and universal layer engineering strategy for van der Waals (vW) materials, scalable and compatible with the current semiconductor technology is of paramout importance in…
Split-gate point-contact for channelizing electron transport on MoS2/h-BN hybrid structures
Chithra H. Sharma, Madhu Thalakulam
Electrostatically defined nanoscale devices on two-dimensional semiconductor heterostructures are the building blocks of various quantum electrical circuits. Owing to its atomicall…