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Imaging of Hybrid-Multiferroic and Translation Domains in a Spin-Spiral Ferroelectric

Published online by Cambridge University Press:  31 January 2011

Dennis Meier ,
Naëmi Leo ,
Thomas Lottermoser ,
Petra Becker ,
Ladislav Bohatý  and
Manfred Fiebig
Dennis Meier
Affiliation:
[email protected], Universität Bonn, HISKP, 53115, NRW, Germany
Naëmi Leo
Affiliation:
[email protected], Universität Bonn, HISKP, 53115, Germany
Thomas Lottermoser
Affiliation:
[email protected], Universität Bonn, HISKP, 53115, NRW, Germany
Petra Becker
Affiliation:
[email protected], Universität zu Köln, Institut für Kristallographie, Köln, NRW, Germany
Ladislav Bohatý
Affiliation:
[email protected], Universität zu Köln, Institut für Kristallographie, Köln, NRW, Germany
Manfred Fiebig
Affiliation:
[email protected], United States
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Abstract

Two fundamentally different types of domains were resolved in multiferroic MnWO4 by optical second harmonic generation (SHG). Hybrid-multiferroic (absolute) domains reflect the magnetic chirality coupled 1:1 to the spontaneous polarization because of the magnetic origin of the ferroelectric order. Magnetic translation (relative) domains reflect discontinuities in the progression of the magnetic spin spiral. SHG topography is the only experimental method so far allowing one to image both types of domains. The imaging procedure and the SHG contributions involved are therefore discussed in detail.

Keywords

ferroelectricmagnetoopticmagnetic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1199: Symposium F –Multiferroic and Ferroelectric Materials , 2009 , 1199-F02-07
Copyright
Copyright © Materials Research Society 2010

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