Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session P47: Magnetism of 2D Semiconductors, Dichalcogenides and Graphene
2:30 PM–5:06 PM,
Wednesday, March 4, 2020
Room: 710/712
Sponsoring
Unit:
GMAG
Chair: Scott Crooker, Los Alamos Natl Lab
Abstract: P47.00011 : Magnetic Response of Graphene Flakes*
Presenter:
Sean Deyo
(Physics, University of Florida)
Authors:
Sean Deyo
(Physics, University of Florida)
Selman P Hershfield
(Physics, University of Florida)
The paramagnetic spin response also depends on the boundaries. In particular, for certain types of edge defects states near zero energy are created. The wave functions of these states are not localized to the boundary. They produce a paramagnetic response that looks like an isolated spin so that the net magnetization of the flake is paramagnetic at low fields and diamagnetic at higher fields. Such magnetization vs. B plots have been observed.
*We thank the University of Florida's University Scholars Program for funding this research.
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