Self-assembling of liquid crystal droplets on lithium niobate substrates driven by pyroelectric effect (Contributo in atti di convegno)

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Label
  • Self-assembling of liquid crystal droplets on lithium niobate substrates driven by pyroelectric effect (Contributo in atti di convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/CLEOE-IQEC.2013.6801000 (literal)
Alternative label
  • Merola F.; Grilli S.; Coppola S.; Vespini V.; De Nicola S.; Maddalena P.; Carfagna C.; Ferraro P. (2013)
    Self-assembling of liquid crystal droplets on lithium niobate substrates driven by pyroelectric effect
    in The European Conference on Lasers and Electro-Optics, May 12-16, 2013, Munich Germany
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Merola F.; Grilli S.; Coppola S.; Vespini V.; De Nicola S.; Maddalena P.; Carfagna C.; Ferraro P. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84900327643&partnerID=q2rCbXpz (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Nazionale di Ottica (CNR-INO), Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy; Università Degli Studi di Napoli Federico II, Dipartimento di Ingegneria Dei Materiali, Piazzale Tecchio 80, 80125 Napoli, Italy; Università Degli Studi di Napoli Federico II, Dipartimento di Scienze Fisiche, Via Cintia, 80126 Napoli, Italy; Istituto di Chimica e Tecnologia Dei Polimeri (CNR-ICTP), Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy (literal)
Titolo
  • Self-assembling of liquid crystal droplets on lithium niobate substrates driven by pyroelectric effect (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-1-4799-0593-5 (literal)
Abstract
  • It is known that one of the major attractive feature of liquid crystals (LCs) lies in the fact that their optical properties can be modulated by electric, optical or magnetic fields. Recently, we discovered that liquid crystal droplets, in particular conditions, can be driven in desired locations following electric field lines [1]. But we don't apply an external voltage to generate them, the use of electrodes would be very invasive. We instead exploit the pyroelectric properties of the periodically poled lithium niobate (PPLN) crystal, used as substrate. In fact, heating and/or cooling this material, it has already been demonstrated that surface charges can appear, by pyroelectric effect, leading to very interesting phenomena [2,3]. Then, being our LC a polar molecule, it undergoes a force due to the existing fields, able to move the material. © 2013 IEEE. (literal)
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