Ferromagnetic instability of interlayer floating electrons in quasi-two-dimensional electride Y$_2$C
Materials Science
2015-12-09 v1 Mesoscale and Nanoscale Physics
Abstract
Ab initio electronic structure calculations show that the recently identified quasi-two-dimensional electride YC is a weak itinerant ferromagnet or at least close to a ferromagnetic instability. The ferromagnetism is induced by the electride electrons, which are loosely bound around interstitial sites and overlap with each other to form two-dimensional interlayer conduction bands. The semimetallicity and two-dimensionality of the band structure are the key to understanding this ferromagnetic instability.
Keywords
Cite
@article{arxiv.1511.02561,
title = {Ferromagnetic instability of interlayer floating electrons in quasi-two-dimensional electride Y$_2$C},
author = {Takeshi Inoshita and Noriaki Hamada and Hideo Hosono},
journal= {arXiv preprint arXiv:1511.02561},
year = {2015}
}