Nanoscale probing of high photovoltages at 109 domain walls
Publication Type | Journal Article
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Authors | |
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DOI |
10.1080/00150193.2012.678156
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Abstract |
We report the direct observation of nanoscale photovoltaic current-voltage properties associated with directional steps of the electrostatic potential at 109 domain walls in ferroelectric BiFeO 3 thin films with highly ordered ferroelectric stripe domains. The unidirectional photovoltaic effect along the net-in-plane polarization direction is shown to exhibit anomalies at the micro-and nanoscale due to local differences in mesoscopic domain structure. Very high initial photovoltages for small electrode spacings are observed using a conductive AFM tip as one of the electrodes in photovoltaic I-V measurements. © 2012 Taylor & Francis Group, LLC.
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Notes |
cited By 20
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Journal |
Ferroelectrics
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Volume |
433
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Year of Publication |
2012
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Number |
1
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Pagination |
123-126
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ISSN Number |
00150193
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Keywords | |
Research Areas | |
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