Exploració per tema "Ferroelectric"

Ara es mostren els items 1-3 de 3

    • Ferroelectric materials for photovoltaics 

      Vázquez Calvo, Diego (Universitat Politècnica de Catalunya, 2017-09-07)
      Projecte Final de Màster Oficial
      Accés obert
      Ferroelectric photovoltaic has been intensively studied during the last years due to possible high efficient charge separation by presence of an internal electric field. Ferroelectric materials show permanent electrical ...

    • Growth and physical properties of highly oriented La-doped (K,Na)NbO3 ferroelectric thin films 

      Vendrell Villafruela, Xavier; Raymond, Oscar; Ochoa Guerrero, Diego A.; García García, José Eduardo; Mestres, Lourdes (2015-02-27)
      Article
      Accés obert
      Lead-free (K,Na)NbO3 (KNN) and La doped (K,Na)NbO3 (KNN-La) thin films are grown on SrTiO3 substrates using the chemical solution deposition method. The effect of adding different amounts of Na and K excess (0-20 mol%) is ...

    • Nonlinear performance of BAW filters including BST capacitors 

      Rocas Cantenys, Eduard; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; Verdú Tirado, Jorge Andrés; Billard, Christophe; David, Jean Baptiste; Reinhardt, Alexandre (2014-04-01)
      Article
      Accés restringit per política de l'editorial
      This paper evaluates the nonlinear effects occurring in a bulk acoustic wave (BAW) filter which includes barium strontium titanate (BST) capacitors to cancel the electrostatic capacitance of the BAW resonators. To do that ...