8 citations · 9 across the 13 of their papers we have counts for
15 papers
Vibrational Fingerprints of Competing Structural and Polar Phases in CuInP2S6
Pegah Mohammadi, Sobhit Singh
Layered van der Waals CuInP2S6 crystals exhibit a rich sequence of temperature- and pressure-driven phase transitions, giving rise to multiple structural phases with distinct physi…
Engineering Topology by Design in Two-dimensional Materials
Arjyama Bordoloi, Sobhit Singh
Two-dimensional topological insulators (2D TIs) have emerged as a cornerstone of next-generation spintronic technologies due to their robust, dissipationless edge states protected…
Probing the Nature of Interstitial Anionic Electrons in 2D Electride CaN via Landau-Level Spectroscopy
Arjyama Bordoloi, Daniel Kaplan, Sobhit Singh
We investigate the magnetic-field response of interstitial anionic electrons (IAEs) in two-dimensional electrides, using monolayer CaN as a prototypical system. By computing th…
Fourth-order Optoelectronic Response from Cascaded Circular Photogalvanic and Nonlinear Hall Effects
Bhupendra Sharma, Sobhit Singh
The interplay between nonlinear optical transitions and topological band structure offers a route to control photocurrents. We reveal a fourth-order optoelectronic response that em…
Dominant in-plane anomalous Hall effect in a monoclinic room-temperature ferromagnet
Guoxin Zheng, Arjyama Bordoloi, Mingjun Fan +6
Ferromagnetic metals are characterized by enhanced dissipationless transverse transport responses via the anomalous Hall effect, offering a route towards magnetic sensing and spint…
Pressure-Driven Structural Phase Competition and Functional Response in Layered LiInP2S6
Xiaochi Xie, Pegah Mohammadi, Sobhit Singh
Understanding how hydrostatic pressure modifies interlayer interactions and competing ionic configurations is essential for controlling the emergent functional properties of layere…
Relaxation-driven topological domains in moiré materials
Arjyama Bordoloi, Daniel Kaplan, Sobhit Singh
Spatial control of topology is highly desirable for realizing tunable quantum functionalities in materials. Moiré superlattices formed by twisting van der Waals heterostructures pr…
Suppression of auxetic behavior in black phosphorus with sulfur substitution
Hayden Groeschel, Arjyama Bordoloi, Sobhit Singh
Sulfur-doped black phosphorus (b-P) has recently emerged as a promising candidate for next-generation electronic and optoelectronic technologies owing to its enhanced environmental…
Engineering stacking-induced topological phase transitions in bilayer heterostructures
Arjyama Bordoloi, Daniel Kaplan, Sobhit Singh
Nonmagnetic topological insulators (TIs) are known for their robust metallic surface/edge states that are protected by time-reversal symmetry, making them promising candidates for…
Exploring nonlinear Rashba effect and spin Hall conductivity in Janus MXenes W2COX (X = S, Se, Te)
Arjyama Bordoloi, Sobhit Singh
Rashba spin-orbit coupling (RSOC) facilitates spin manipulation without relying on an external magnetic field, opening up exciting possibilities for advanced spintronic devices. In…
First-principles investigation of elastic, vibrational, and thermodynamic properties of kagome metals CsMTe (M = Ti, Zr, Hf)
Yifan Wei, Arjyama Bordoloi, Chaon-En +2
Kagome metals are a unique class of quantum materials characterized by their distinct atomic lattice arrangement, featuring interlocking triangles and expansive hexagonal voids. Th…
Machine Learning-Enhanced Design of Lead-Free Halide Perovskite Materials Using Density Functional Theory
Upendra Kumar, Hyeon Woo Kim, Gyanendra Kumar Maurya +5
The investigation of emerging non-toxic perovskite materials has been undertaken to advance the fabrication of environmentally sustainable lead-free perovskite solar cells. This st…
Promises and technological prospects of two-dimensional Rashba materials
Arjyama Bordoloi, A. C. Garcia-Castro, Zachary Romestan +2
The Rashba spin-orbit coupling effect, primarily arising from structural-inversion asymmetry in periodic crystals, has garnered considerable attention due to its tunability and pot…
Magnetochiral Tunneling in Paramagnetic CoNbS
Seongjoon Lim, Sobhit Singh, Fei-Ting Huang +6
Electric currents have the intriguing ability to induce magnetization in nonmagnetic crystals with sufficiently low crystallographic symmetry. Some associated phenomena include the…
Kagome KMnSb metal: Magnetism, lattice dynamics, and anomalous Hall conductivity
Sobhit Singh, A. C. Garcia-Castro
Kagome metals are reported to exhibit remarkable properties, including superconductivity, charge density wave order, and a large anomalous Hall conductivity, which facilitate the i…