Ara es mostren els items 67-80 de 80

    • Photonic molecules for improving the optical response of macroporous silicon photonic crystals for gas sensing purposes 

      Cardador Maza, David; Segura García, Daniel; Rodríguez Martínez, Ángel (2018-02-19)
      Article
      Accés obert
      In this paper, we report the benefits of working with photonic molecules in macroporous silicon photonic crystals. In particular, we theoretically and experimentally demonstrate that the optical properties of a resonant ...
    • Polymer microfibers obtained using porous silicon templates 

      Marsal Garví, Lluís Francesc; Formentín, P.; Palacios, R.; Todorov Trifonov, Trifon; Ferré Burrull, José; Rodríguez Martínez, Ángel; Pallarès Marzal, Josep; Alcubilla González, Ramón (2008)
      Article
      Accés restringit per política de l'editorial
      The deposition of specific materials into ordered pores arranged in a regular lattice allows the fabrication of ordered fiber arrays. Porous silicon is an attractive candidate for use as a template because the porosity and ...
    • Steady-state and transient conductivity of collodial solutions of gold nanobeads 

      Valera Cano, Enrique Andrés; Rodríguez Martínez, Ángel; Castañer Muñoz, Luis María (IEEE, 2007-05-23)
      Article
      Accés obert
      Steady-state and transient conductance measurements of gold nanobeads solutions deposited on top of interdigitated electrodes have been performed. It is shown that the application of an electric field of moderate value ...
    • Study of resonant modes in a 700 nm pitch macroporous silicon photonic crystal 

      Cardador Maza, David; Vega Bru, Didac; Segura García, Daniel; Rodríguez Martínez, Ángel (2017-01-01)
      Article
      Accés obert
      In this study the modes produced by a defect inserted in a macroporous silicon (MP) photonic crystal (PC) have been studied theoretical and experimentally. In particular, the transmitted and reflected spectra have been ...
    • Template fabrication of 3D metallic microstructures by electrochemical etching and electroplanting 

      Hernández Díaz, David; Lange, Diego; Todorov Trifonov, Trifon; Garin Escriva, Moises; García Molina, Francisco Miguel; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010)
      Text en actes de congrés
      Accés obert
      In this work, we show that macroporous silicon consisting of periodic arrays of etched pores is a feasible alternative for synthesis of 2D and 3d metallic microstructures due to its flexibility in the definition of complex ...
    • The effect of absorption losses on the optical behaviour of macroporous silicon photonic crystal selective filters 

      Vega Bru, Didac; Cardador Maza, David; Todorov Trifonov, Trifon; Garin Escriva, Moises; Rodríguez Martínez, Ángel (2016-02-15)
      Article
      Accés obert
      The effect of losses in photonic crystal structures on transmittance and reflectance has been studied by numerical techniques, and compared to fabricated macroporous silicon samples. Material absorption and tolerances of ...
    • Thermal emission of macroporous silicon chirped photonic crystals 

      Garin Escriva, Moises; Todorov Trifonov, Trifon; Hernández García, David; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010-09-15)
      Article
      Accés obert
    • Transmission and thermal emission in the NO2 and CO absorption lines using macroporous silicon photonic crystals with 700 Nm pitch 

      Cardador Maza, David; Segura García, Daniel; Vega Bru, Didac; Rodríguez Martínez, Ángel (Scitepress, 2017)
      Comunicació de congrés
      Accés obert
    • Tuning the emissivity of 3D macroporous silicon in the mid-infrared 

      Hernández Díaz, David; Vega Bru, Didac; Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010)
      Text en actes de congrés
      Accés obert
      Tailoring the thermal emission of a particular material by using periodic micro-structures has attracted great interest for its potential applications in heating and lighting systems or thermophotovoltaics. […] Metallic ...
    • Tuning the shape of macroporous silicon 

      Todorov Trifonov, Trifon; Garin Escriva, Moises; Rodríguez Martínez, Ángel; Marsal, L F; Alcubilla González, Ramón (2007-10)
      Article
      Accés restringit per política de l'editorial
      Macroporous silicon membranes, prepared by photo-electrochemical etching, were subjected to pore widening performed by multiple oxidation/oxide-stripping cycles. We study the dependence of pore cross section and diameter ...
    • Variación de la frecuencia de trabajo en un cristal fotónico basado en silicio macroporoso al variar la longitud del defecto 

      Cardador Maza, David; Vega Bru, Didac; Rodríguez Martínez, Ángel (2015)
      Text en actes de congrés
      Accés obert
      En este trabajo se ha estudiado la relación existente entre la frecuencia de trabajo de un cristal fotónico con defecto y el tamaño de dicho defecto. Las simulaciones indican una dependencia lineal entre ambas, a la vez ...
    • Variation of the defect central frequency due to morphological changes in macroporoues silicon photonic crystals 

      Cardador Maza, David; Vega, Didac; Rodríguez Martínez, Ángel (2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • Visible light emission from macroporous Si 

      Cheylan, Stephanie; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Marsal Garví, Lluís Francesc; Pallarès Marzal, Josep; Alcubilla González, Ramón; Badenes, Gonçal (2006-10)
      Article
      Accés restringit per política de l'editorial
      Macroporous silicon structures have been fabricated by electrochemical etching. Such fabrication process is known to result in the presence of a thin microporous Si layer at the walls of the macropores and at the surface. ...
    • Zeolite-coated interdigital capacitors for humidity sensing 

      Urbiztondo, M.; Pellejero, I.; Rodríguez Martínez, Ángel; Pina Iritia, María Pilar; Santamaría Ramiro, Jesús Marcos (2011-05-06)
      Article
      Accés restringit per política de l'editorial
      Inter-digital capacitors (IDCs) with electrode gaps of 10 or 50 microns have been coated with zeolite films consisting of different zeolites with Si/Al ratios ranging from 1.5 (zeolite A) to infinite (silicalite). The ...