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Title: Switchable photovoltaic and polarization modulated rectification in Si-integrated Pt/(Bi0.9Sm0.1)(Fe0.97Hf0.03)O3/LaNiO3 heterostructures

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4934665· OSTI ID:1469589

In this paper, we studied switchable photovoltaic and photo-diode characteristics of Pt/(Bi0.9Sm0.1)(Fe0.97Hf0.03)O3/ LaNiO3 (Pt/BSFHO/LNO) heterostructures integrated on Si (100). The directions of photocurrent (JSC) and rectification are found to be reversibly switchable after applying external poling voltages. In pristine state, metal-ferroelectric-metal capacitor Pt/BSFHO/LNO shows JSC ~ 32 μA/cm2 and VOC ~ 0.04 V, which increase to maximum value of JSC ~ 303 (-206) μA/cm2 and VOC ~ -0.32 (0.26) V after upward (downward) poling at ±8 V. Finally, we believe that Schottky barrier modulation by polarization flipping at Pt/BSFHO interface could be a main driving force behind switchable photovoltaic and rectifying diode characteristics of Pt/BSFHO/LNO heterostructures.

Research Organization:
Univ. of Puerto Rico, San Juan, PR (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Grant/Contract Number:
FG02-08ER46526; 1002410
OSTI ID:
1469589
Alternate ID(s):
OSTI ID: 1224326
Journal Information:
Applied Physics Letters, Vol. 107, Issue 16; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (10)

Tuning Effective Spin Hall Angles via Oxygen Vacancies in Multiferroic BiFeO 3 ‐Based Heterostructures journal August 2019
Studies on structural, optical, magnetic, and resistive switching properties of doped BiFe 1-x Cr x O 3 thin films journal November 2016
Continuously controllable optical band gap in orthorhombic ferroelectric KNbO 3 -BiFeO 3 ceramics journal April 2017
Improving the photovoltaic effect by resistive switching journal September 2018
Large modulation of perpendicular magnetic anisotropy in a BiFeO 3 /Al 2 O 3 /Pt/Co/Pt multiferroic heterostructure via spontaneous polarizations journal August 2018
Influence of chemical solution growth and vacuum annealing on the properties of (100) pseudocubic oriented BiFeO 3 thin films journal October 2019
In-situ stress modulated ferroelectric photovoltaic effect in cluster-assembled TbFe 2 /Bi 5 Ti 3 FeO 15 heterostructural films journal December 2019
Cobalt doping of bismuth ferrite for matched dielectric and magnetic loss journal November 2019
Modulation of oxygen vacancies assisted ferroelectric and photovoltaic properties of (Nd, V) co-doped BiFeO 3 thin films journal June 2018
Long-range Stripe Nanodomains in Epitaxial (110) BiFeO3 Thin Films on (100) NdGaO3 Substrate journal July 2017