Photo‐Induced Enhancement in Ferroelectric Polarization and Abnormal Photo‐Conductivity in Polycrystalline Pt‐Sandwiched BiFeO3 Thin Film Capacitor

Polycrystalline BiFeO3 (BFO) thin film is directly deposited on Pt(111)/Ti/SiO2/Si(001) substrate at 550 °C by radio frequency (rf) magnetron sputtering. Metal Pt is used as top electrode to construct the symmetric Pt/BFO/Pt capacitor. The Pt/BFO/Pt capacitor exhibits photo‐induced enhancement in bo...

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Veröffentlicht in:	Physica status solidi. A, Applications and materials science Applications and materials science, 2019-04, Vol.216 (7), p.n/a
Hauptverfasser:	Peng, Zengwei, Liu, Baoting
Format:	Artikel
Sprache:	eng
Schlagworte:	abnormal BiFeO3 Bismuth ferrite Capacitors Current carriers Current density Electric devices enhancement Ferroelectric materials Ferroelectricity Magnetron sputtering P-n junctions Photovoltaic cells Polarization Polycrystals Silicon dioxide Silicon substrates Thin films Titanium
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