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DPG

Berlin 2015 – scientific programme

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DF: Fachverband Dielektrische Festkörper

DF 5: Poster Session on Ferroic Domain Walls - Multiferroics (DF with KR/MA/TT)

DF 5.10: Poster

Monday, March 16, 2015, 19:00–21:00, Poster C

Local poling at domain walls in LiNbO3 crystals in connection with c-AFM measurements — •Jakob Frohnhaus and Elisabeth Soergel — Physikalisches Institut, Universität Bonn, Wegelerstrasse 8, 53115 Bonn

An electrical current localized at ferroelectric domain walls recorded by means of conductive atomic force microscopy (c-AFM) can basically have two origins: electrical conductivity of the domain wall or local poling. We show that also local poling leads to c-AFM images which cannot straightforwardly be distinguished from those c-AFM images displaying the electrical conductivity of the domain wall.

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