Now showing items 1-12 of 73

    • Photocontrolled strain in polycrystalline ferroelectrics via domain engineering strategy 

      Rubio Marcos, Fernando; Del Campo Garcia, Angel Adolfo; Ordoñez Pimentel, Jonathan; Venet, Michel; Rojas Hernández, Rocio E.; Paez Margarit, David; Ochoa Guerrero, Diego A.; Fernández Lozano, José Francisco; García García, José Eduardo (2021-05-05)
      Article
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      The use of photonic concepts to achieve nanoactuation based on light triggering requires complex architectures to obtain the desired effect.In thiscontext, the recent discoveryof reversible optical control of the domain ...
    • ((R)-(-)-3-Hydroxyquinuclidium)[FeCl4]; a plastic hybrid compound with chirality, ferroelectricity and long range magnetic ordering 

      González Izquiero, Palmerina; Fabelo, Oscar; Canadillas Delgado, Laura; Beobide, Garikoitz; Vallcorba, Oriol; Salgado Beceiro, Jorge; Sánchez Andújar, Manuel; Martin, Carmen; Ruiz Fuentes, Javier; García García, José Eduardo; Fernández Díaz, Maria Teresa; de Pedro, Imanol (Royal Society of Chemistry (RSC), 2021-02-16)
      Article
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      Quinuclidinium salts and their derivatives are now in the focus of materials science as building units of multifunctional materials. Their properties can be easily switchable, allowing their use in a wide range of physical ...
    • Toward a new PTCR material based on the Na2Ti6O13/Na2Ti3O7 system 

      Basilio, L.A.L.; Silva, J.H.L.; Xavier, F.; Aguilera, Lianet; Guerrero, Fidel; Antonelli, Eduardo; Anglada-Rivera, José; García García, José Eduardo; Silva, R.S.; Leyet, Yurimiler (2021-08)
      Article
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      Mixed phases of sodium titanate ceramics are obtained using both conventional and laser sintering methods. It was observed a clear dependence on the structural, microstructural and electrical resistivity with the employed ...
    • Performance assessment of ultrasonic waves for bubble control in cryogenic fuel tanks 

      Suñol Galofre, Francesc Xavier; Ochoa Guerrero, Diego A.; Granados Jiménez, Marta; González Cinca, Ricardo; García García, José Eduardo (2020-05-27)
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      An efficient long-term storage of cryogenic propellants is a challenge for future space exploration missions. The vapour bubbles formed as a result of boil-off in the tank walls can generate foam structures, which could ...
    • Polymorphic phase boundary in piezoelectric oxides 

      García García, José Eduardo; Rubio Marcos, Fernando (American Institute of Physics (AIP), 2020-04-01)
      Article
      Open Access
      The design of phase boundaries has now become a consolidated strategy to improve the functional properties of piezoelectric oxides because of the unique properties that may be obtained in their vicinity. In particular, ...
    • Dynamic analysis of self-oscillating H-bridge inverters with state feedback 

      Benadero García-Morato, Luis; Torres Peral, Francisco; Ponce Núñez, Enrique; El Aroudi, Abdelali (2020-01)
      Article
      Open Access
      This paper presents a comprehensive approach to analyze the dynamics of a generalized model of resonant inverters using nonsmooth dynamical system theory. The model simultaneously covers both parallel and series resonant ...
    • Evidence for a dynamics crossover and its implication on the freezing temperature determination of relaxor ferroelectrics 

      Levit Valenzuela, Rafael; Ochoa Guerrero, Diego A.; Martínez García, Julio Cesar; García García, José Eduardo (Institute of Physics (IOP), 2019-09-27)
      Article
      Open Access
      Relaxor ferroelectrics are characterized by a broadened and dispersive permittivity peak in their temperature-dependent dielectric spectra. Although several models have been proposed to explain the nature of these materials, ...
    • Delay effects on the limit cycling behavior in resonant inverters with state feedback 

      Benadero García-Morato, Luis; El Aroudi, Abdelali; Ponce, Enrique (2019-10-01)
      Article
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      Bifurcations of limit cycles in an H-bridge LC resonant inverter are reexamined taking into account a time delay in the switching transition. The analysis is accomplished by means of a model of the inverter that compresses, ...
    • The generalized Vogel-Fulcher-Tamman equation for describing the dynamics of relaxor ferroelectrics 

      Levit Valenzuela, Rafael; Martínez García, Julio Cesar; Ochoa Guerrero, Diego A.; García García, José Eduardo (Nature, 2019-08-27)
      Article
      Open Access
      Relaxor ferroelectrics (RF) are outstanding materials owing to their extraordinary dielectric, electromechanical, and electro-optical properties. Although their massive applications, they remain to be one of the most ...
    • Groundwater hydrodynamics of an Eastern Africa coastal aquifer, including La Niña 2016–17 drought 

      Ferrer Ramos, Nuria; Folch Sancho, Albert; Lane, Mike; Olago, Dan; Odida, Julius; Custodio Gimena, Emilio (Elsevier, 2019-04-15)
      Article
      Open Access
      In 2016–17 much of East Africa was affected by a severe drought which has been attributed to Indian Ocean Dipole and El Niño Southern Oscillation conditions. Extreme events such as this have immediate and knock-on effects ...
    • Effects of gravity level on bubble detachment, rise, and bouncing with a free surface 

      Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2019-02-05)
      Article
      Open Access
      Bubble detachment, rise, and bouncing upon impact with a free surface is studied experimentally in variable gravity conditions. Previous investigations focused on the effects of fluid properties such as ...
    • 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 ...