Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/1082
Title: Variation of electric properties across the grain boundaries in BiFeO<inf>3</inf> film
Authors: Stojadinović, Bojan
Vasić, Borislav
Stepanenko, Dimitrije
Tadić, Nenad B. 
Gajić, Radoš
Dohčević-Mitrović, Zorana
Keywords: electrical properties;grain boundaries;multiferroics;scanning probe microscopy;thin films
Issue Date: 29-Dec-2015
Journal: Journal of Physics D: Applied Physics
Abstract: 
Stark differences in charge transport properties between the interior and the boundary regions of grains in an undoped BiFeO3 thin film have been found. The material is ferroelectric and each grain is a single domain. A spatial resolution that distinguishes between the grain interior and the boundary between the grains has been achieved by using piezoelectric force microscopy and conductive atomic force microscopy measurements. The local electric properties, as well as the local band gap show hysteresis only when probed in the grain interior, but do not show hysteresis when probed in the region around the boundary between two grains. The leakage current is more pronounced at the grain boundaries, and the region that carries significant current increases with the applied voltage.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/1082
ISSN: 0022-3727
DOI: 10.1088/0022-3727/49/4/045309
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