2026-10-14T04:39:43Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33779545 2026-09-15T08:45:06Z portal_1197 item_type_3 month_year_09_2026

Data for Strain-gradient mediated local conduction in strained bismuth ferrite films Ming-Min Yang (6369152) Affan Iqbal (21765872) Jonathan J. P. Peters (3777724) Ana M. Sánchez (2439316) M. (Marin) Alexe (24807973) Semiconductors Photoelectric cells Photovoltaic effect Migrated from ePrints It has been recently shown that the strain gradient is able to separate the light-excited electron-hole pairs in semiconductors, but how it affects the photoelectric properties of the photo-active materials remains an open question. Here, we demonstrate the critical role of the strain gradient in mediating local photoelectric properties in the strained BiFeO3 thin films by systematically characterizing the local conduction with nanometre lateral resolution in both dark and illuminated conditions. Due to the giant strain gradient manifested at the morphotropic phase boundaries, the associated flexo-photovoltaic effect induces on one side an enhanced photoconduction in the R-phase, and on the other side a negative photoconductivity in the morphotropic T′-phase. This work offers insight and implication of the strain gradient on the electronic properties in both optoelectronic and photovoltaic devices.<br><br>Data is on a single excel (.xsls) document. Each worksheet corresponds to the named figure in the article with each column containing the necessary measurement information. 2020-03-16T00:00:00Z Dataset Dataset 10.82444/warw.33779545.v1 https://figshare.com/articles/dataset/Data_for_Strain-gradient_mediated_local_conduction_in_strained_bismuth_ferrite_films/33779545 CC BY 4.0