9 papers
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…
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…
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…
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…