Fe@Cr_paper_nanoletters.pdf (2.01 MB)
Download file

Exchange Bias in Fe@Cr Core-Shell Nanoparticles

Download (2.01 MB)
journal contribution
posted on 11.09.2013, 14:39 by Christopher Binns, Muhammad T. Qureshi, Davide Peddis, Stephen H. Baker, Paul B. Howes, Adrian Boatwright, Stuart A. Cavill, Sarnjeet S. Dhesi, Leonardo Lari, Roland Kröger, Sean Langridge
We have used X-ray magnetic circular dichroism and magnetometry to study isolated Fe@Cr core−shell nanoparticles with an Fe core diameter of 2.7 nm (850 atoms) and a Cr shell thickness varying between 1 and 2 monolayers. The addition of Cr shells significantly reduces the spin moment but does not change the orbital moment. At least two Cr atomic layers are required to stabilize a ferromagnetic/antiferromagnetic interface and generate the associated exchange bias and increase in coercivity.

History

Citation

Nano Letters, 2013, 13 (7), pp. 3334–3339

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and Astronomy

Version

AM (Accepted Manuscript)

Published in

Nano Letters

Publisher

American Chemical Society

issn

1530-6984

eissn

1530-6992

Copyright date

2013

Available date

07/06/2014

Publisher version

http://pubs.acs.org/doi/abs/10.1021/nl401587t

Notes

This document is the Accepted Manuscript version of a Published Work that appeared in final form in Nano Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/nl401587t.

Language

en