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Synergy between pyroelectric and photovoltaic effects for optoelectronic nanoparticle manipulation

Author
Puerto, A.; Muñoz-Martín, J. F.; Méndez, A.; Arizmendi López, Luísuntranslated; García Cabañes, Ángeluntranslated; Agulló López, Fernandountranslated; Carrascosa Rico, Mercedesuntranslated
Entity
UAM. Departamento de Física de Materiales
Publisher
Optical Society of America
Date
2019-01-10
Citation
10.1364/OE.27.000804
Optics Express 27.2 (2019): 804-815
 
 
 
ISSN
1094-4087
DOI
10.1364/OE.27.000804
Funded by
Ministerio de Ciencia, Innovación y Universidades of Spain (MAT2014-57704-C3, MAT2017-83951-R); Universidad Politécnica de Madrid (RR01/2016)
Project
Gobierno de España. MAT2014-57704-C3; Gobierno de España. MAT2017-83951-R
Editor's Version
https://doi.org/10.1364/OE.27.000804
Subjects
Niobium compounds; Lithium compounds; Optical tweezers; Optoelectronic devices; Particle optics; Photovoltaic effects; Materiales / Ciencia de los Materiales; Óptica
URI
http://hdl.handle.net/10486/688001
Note
© 2019 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
Rights
© 2019 Optical Society of America

Abstract

The combined action of the pyroelectric (PY) and photovoltaic (PV) effects, exhibited by z-cut LiNbO3:Fe substrates, has been investigated for particle trapping and patterning applications. The novel hybrid procedure provides new possibilities and versatility to optoelectronic manipulation on LiNbO3 substrates. It has allowed obtaining periodic and arbitrary 2D patterns whose particle density distribution is correlated with the light intensity profile but can be tuned through ΔT according to the relative strength of the PV and PY effects. A relevant result is that the PY and PV contributions compete for a ΔT range of 1-20 °C, very accessible for experiments. Moreover, the synergy of the PY and PV has provided two additional remarkable applications: i) A method to measure the PV field, key magnitude for photovoltaic optoelectronic tweezers. Using this method, the minimum field needed to obtain a particle pattern has been determined, resulting relatively high, E~60 kV/cm, and so, requiring highly doped crystals when only using the PV effect. ii) An strategy combining the PY and PV to get particle patterning in samples inactive for PV trapping when the PV field value is under that threshold
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Google™ Scholar:Puerto, A. - Muñoz-Martín, J. F. - Méndez, A. - Arizmendi López, Luís - García Cabañes, Ángel - Agulló López, Fernando - Carrascosa Rico, Mercedes

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  • Producción científica en acceso abierto de la UAM [17229]

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