8 papers
Many-body description of two-dimensional van der Waals ferroelectric InSe
Denzel Ayala, Dimitar Pashov, Tong Zhou +3
Two-dimensional (2D) van der Waals ferroelectrics are recognized for enabling many applications, from memory and logic to neuromorphic computing, as well as transforming other mate…
Distinct Magneto-Optical Response of Frenkel and Wannier Excitons in CrSBr
Maciej Smiertka, Michal Rygala, Katarzyna Posmyk +10
This study shows that CrSBr hosts Frenkel-like and Wannier-Mott-like excitons whose distinct spatial character explains their contrasting sensitivity to magnetic order and lattice…
Origin of metal-insulator transition in rare-earth Nickelates
Swagata Acharya, Brooks Tellekamp, Jerome Jackson +4
Rare-earth nickelates RNiO3 (R=rare-earth element) exhibit three kinds of phase transitions with decreasing temperature: a structural transition from a pseudo-cubic to a monoclinic…
Quasiparticle Description of Angle-Resolved Photoemission Spectroscopy for SrCuO2
Dimitar Pashov, Casey Eichstaedt, Swagata Acharya +1
SrCuO2 has long been considered a near-archetypal realization of a quasi one dimensional (1D) system of interacting electrons with short-range interactions. Within this framework,…
Deconstruction of the anisotropic magnetic interactions from spin-entangled optical excitations in van der Waals antiferromagnets
Dipankar Jana, Swagata Acharya, Milan Orlita +5
Magneto-optical excitations in antiferromagnetic d systems can originate from a multiplicity of light-spin and spin-spin interactions, as the light and spin degrees of freedom can…
Unconventional Spintronics from Chiral Perovskites
Yuntian Liu, Reshna Shrestha, Konstantin Denisov +4
Spintronic devices typically employ heterostructures with ferromagnets which break time-reversal symmetry and have non-vanishing magnetization. With the growing class of materials…