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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/40422

Title: Nano-magnetic probing on magnetite (110)
Author: SHVETS, IGOR
MURPHY, SHANE
Author's Homepage: http://people.tcd.ie/ivchvets
http://people.tcd.ie/shmurphy
Keywords: Atomic, molecular and chemical physics
antiferroelectric materials
Issue Date: 2006
Publisher: IEEE Computer Society Press
Citation: G. Maris, L. Jdira, J. G. H. Hermen, S. Murphy, G. Manai, I. V. Shvets, S. Speller, Nano-magnetic probing on magnetite (110), IEEE Transactions on Magnetics, 42, 10, 2006, 2927
Series/Report no.: IEEE Transactions on Magnetics;
42;
10;
Abstract: We report our results on the structure and magnetic imaging of Fe3O4 (110) thin films using scanning tunneling microscopy/spectroscopy (STM/STS). Based on atomically resolved STM images we present a model for the observed ridge reconstruction of the surface, in agreement with a bulk-truncated layer containing both octahedral and tetrahedral iron ions. The weak contrast between the tops and the valleys of the ridges in the current map measured withWtips is attributed to the tetrahedral and octahedral character, respectively. We observe a contrast enhancement at the W tip change accompanied by a corrugation enhancement. An antiferromagnetic MnNi tip detects a large contrast between tops and valleys in the current map and two surprising states, at 0.3-V and 0.7-V bias voltages. We attribute the observed contrast to magnetism in agreement with our proposed model.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/40422
Related links: http://dx.doi.org/10.1109/TMAG.2006.878405
Appears in Collections:Physics (Scholarly Publications)

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