Now showing items 1-6 of 6

  • Effect of lanthanide doping on structural, microstructural and functional properties of K0.5Na0.5NbO3 lead-free piezoceramics 

    Vendrell Villafruella, Xavier; García García, José Eduardo; Cerdeiras Montero, Elena; Ochoa Guerrero, Diego A.; Rubio-Marcos, Fernando; Fernández Lozano, José Francisco; Mestres Vila, Lourdes (2016-11-15)
    Article
    Open Access
    Lanthanides-doped K0.5Na0.5NbO3(KNN) lead-free piezoelectric ceramics are prepared by conventional solid-state reaction. The effects of lanthanum concentration and the lanthanide type on the structure, microstructure and ...
  • Extensive domain wall contribution to strain in a (K,Na)NbO3-based lead-free piezoceramics quantified from high energy X-ray diffraction 

    Ochoa Guerrero, Diego A.; Esteves, Giovanni; Iamsasri, Thanakorn; Rubio-Marcos, Fernando; Fernández Lozano, José Francisco; García García, José Eduardo; Jones, Jacob L. (Elsevier, 2016-08)
    Article
    Open Access
    The origins of high piezoelectric properties in the lead-free (K,Na)NbO3-based tetragonal composition (K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3 (KNL-NTS) is investigated by quantifying the intrinsic and extrinsic contributions ...
  • Extrinsic response enhancement at the polymorphic phase boundary in piezoelectric materials 

    Ochoa Guerrero, Diego A.; Esteves, Giovanni; Jones, Jacob L.; Rubio-Marcos, Fernando; Fernández Lozano, José Francisco; García García, José Eduardo (2016-04-04)
    Article
    Open Access
    Polymorphic phase boundaries (PPBs) in piezoelectric materials have attracted significant interest in recent years, in particular because of the unique properties that can be found in their vicinity. However, to fully ...
  • Light-induced capacitance tunability in ferroelectric crystals 

    Páez Margarit, David; Rubio Marcos, Fernando; Ochoa Guerrero, Diego A.; Del Campo Garcia, Angel Adolfo; Fernández Lozano, José Francisco; García García, José Eduardo (2018-07-05)
    Article
    Open Access
    The remote controlling of ferroic properties with light is nowadays a hot and highly appealing topic in materials science. Here, we shed light on some of the unresolved issues surrounding light–matter coupling in ferroelectrics. ...
  • Photo-controlled ferroelectric-based nanoactuators 

    Rubio Marcos, Fernando; Páez Margarit, David; Ochoa Guerrero, Diego A.; Del Campo Garcia, Angel Adolfo; Fernández Lozano, José Francisco; García García, José Eduardo (2019-04-02)
    Article
    Restricted access - publisher's policy
    Finding a feasible principle for a future generation of nano-optomechanical systems is a matter of intensive research, because it may provide new device prospects for optoelectronics and nanomanipulation techniques. Here ...
  • Understanding the piezoelectric properties in potassium-sodium niobate-based lead-free piezoceramics: interrelationship between intrinsic and extrinsic factors 

    Rubio-Marcos, Fernando; Fernández Lozano, José Francisco; Ochoa Guerrero, Diego A.; García García, José Eduardo; Rojas-Hernandez, Rocio E.; Castro, Miriam; Ramajo, Leandro (Elsevier, 2017-09)
    Article
    Open Access
    Lead zirconate titanate (PZT) based ceramics are currently enjoying a wide use in piezoelectric devices despite lead toxicity. Due to growing environmental concerns, the attention on piezoelectric ceramics has been moving ...