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Arregui Hernandez, Candido and Ramiro Diaz, Jose Bruno and Alcazar De Velasco Rico, Angel Manuel and Mendez Jaque, Angel and Muñoz Martínez, Juan Francisco and Carrascosa, Mercedes (2015). Comparative theoretical analysis between parallel and perpendicular geometries for 2D particle patterning in photovoltaic ferroelectric substrates. "Journal of the European Optical Society - Rapid publications", v. 10 (n. 2015); p. 15026. ISSN 1990-2573. https://doi.org/10.2971/jeos.2015.15026.
Title: | Comparative theoretical analysis between parallel and perpendicular geometries for 2D particle patterning in photovoltaic ferroelectric substrates |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Journal of the European Optical Society - Rapid publications |
Date: | 2015 |
ISSN: | 1990-2573 |
Volume: | 10 |
Subjects: | |
Freetext Keywords: | Optoelectronic tweezers; photovoltaic tweezers; particle trapping; dielectrophoresis; nanoparticles |
Faculty: | E.T.S. de Ingeniería Aeronáutica y del Espacio (UPM) |
Department: | Motopropulsión y Termofluidodinámica [hasta 2014] |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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This paper describes the dielectrophoretic potential created by the evanescent electric field acting on a particle near a photovoltaic crystal surface depending on the crystal cut. This electric field is obtained from the steady state solution of the Kukhtarev equations for the photovoltaic effect, where the diffusion term has been disregarded. First, the space charge field generated by a small, square, light spot where d < l (being d a side of the square and l the crystal thickness) is studied. The surface charge density generated in both geometries is calculated and compared as their relation determines the different properties of the dielectrophoretic potential for both cuts. The shape of the dielectrophoretic potential is obtained and compared for several distances to the sample. Afterwards other light patterns are studied by the superposition of square spots, and the resulting trapping profiles are analysed. Finally the surface charge densities and trapping profiles for different d/l relations are studied.
Type | Code | Acronym | Leader | Title |
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Government of Spain | MAT2011-28379-C03-03 | Unspecified | Universidad Politécnica de Madrid | Modelización del efecto fotovoltaico de micro y nanoestructuras ferroelectricas en cristales y guías ópticas. Simulación de dispositivos basados en este efecto |
Government of Spain | MAT2014-57704-C3-2-R | Unspecified | Universidad Politécnica de Madrid | Modelización del funcionamiento de las pinzas fotovoltaicas y del comportamiento de las estructuras generadas y sus aplicaciones |
Item ID: | 38006 |
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DC Identifier: | https://oa.upm.es/38006/ |
OAI Identifier: | oai:oa.upm.es:38006 |
DOI: | 10.2971/jeos.2015.15026 |
Official URL: | http://www.jeos.org/index.php/jeos_rp/article/view/15026 |
Deposited by: | Memoria Investigacion |
Deposited on: | 17 Nov 2015 10:50 |
Last Modified: | 03 Jun 2019 14:02 |