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Título: | Bulk photovoltaic effect modulated by ferroelectric polarization back-switching |
Autor: | Sheng, Yunwei; Fina, Ignasi CSIC ORCID CVN ; Gospodinov, Marin; Fontcuberta, Josep CSIC ORCID | Palabras clave: | Photovoltaic effects Diffusion current Ferroelectric materials Short circuit Polarization Schottky barriers Photoconductivity |
Fecha de publicación: | 13-jun-2022 | Editor: | American Institute of Physics | Citación: | Applied Physics Letters 120: 242901 (2022) | Resumen: | Short-circuit photocurrent due to bulk photovoltaic effect displays an oscillatory dependence on the polarization state of light. Here, we explore how the ferroelectric polarization direction in h-LuMnO3 crystals affects the oscillating short-circuit photocurrent. It is shown that after prepoling the crystal at saturation, at remanence, the direction and amplitude of photocurrent oscillations are no longer dictated by prepoling voltage but are largely modulated by polarization back-switching, here ruled by the imprint field. Thus, the light polarization dependence of photocurrent is also ruled by the imprint field. The impact of these effects on the determination of the Glass coefficients of the material is discussed. | Versión del editor: | http://dx.doi.org/10.1063/5.0094837 | URI: | http://hdl.handle.net/10261/272439 | ISSN: | 0003-6951 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Sheng_ApplPhysLett_2022_editorial.pdf | Artículo principal | 1,94 MB | Adobe PDF | Visualizar/Abrir |
Sheng_ApplPhysLett_2022_suppl_editorial.pdf | Información complementaria | 395,15 kB | Adobe PDF | Visualizar/Abrir |
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