TY - JOUR
T1 - 2D ferromagnetism in layered inorganic-organic hybrid perovskites
AU - Nafday, Dhani
AU - Sen, Dipayan
AU - Kaushal, Nitin
AU - Mukherjee, Anamitra
AU - Saha-Dasgupta, Tanusri
N1 - Publisher Copyright:
© 2019 authors. Published by the American Physical Society.
PY - 2019/12
Y1 - 2019/12
N2 - Employing a combination of first-principles density functional theory and a solution of a generalized spin Hamiltonian, we predict finite-temperature ferromagnetism in a yet-to-be synthesized two-dimensional monolayer of Cu spins, derived out of the layered structure of inorganic-organic hybrid perovskites. The computed cleavage energies are found to be a factor of 2-3 smaller than that of graphite, thereby making the synthesis of such monolayers by exfoliation of their bulk counterparts probable. The ferromagnetic exchanges, together with in-plane magnetic anisotropy, give rise to the possibility of a finite-temperature long-range ordering of Cu spins, as established through the solution of a generalized model Hamiltonian. Our study should motivate future experiments in this exciting class of compounds.
AB - Employing a combination of first-principles density functional theory and a solution of a generalized spin Hamiltonian, we predict finite-temperature ferromagnetism in a yet-to-be synthesized two-dimensional monolayer of Cu spins, derived out of the layered structure of inorganic-organic hybrid perovskites. The computed cleavage energies are found to be a factor of 2-3 smaller than that of graphite, thereby making the synthesis of such monolayers by exfoliation of their bulk counterparts probable. The ferromagnetic exchanges, together with in-plane magnetic anisotropy, give rise to the possibility of a finite-temperature long-range ordering of Cu spins, as established through the solution of a generalized model Hamiltonian. Our study should motivate future experiments in this exciting class of compounds.
UR - http://www.scopus.com/inward/record.url?scp=85100709017&partnerID=8YFLogxK
U2 - 10.1103/PhysRevResearch.1.032034
DO - 10.1103/PhysRevResearch.1.032034
M3 - Article
AN - SCOPUS:85100709017
SN - 2643-1564
VL - 1
JO - Physical Review Research
JF - Physical Review Research
IS - 3
M1 - 032034
ER -