Category: Scientific Highlights

Piezo-generated charge mapping revealed through direct piezoelectric force microscopy

Piezo-generated charge mapping revealed through direct piezoelectric force microscopy A. Gomez, M. Gich, A. Carretero-Genevrier, T. Puig & X. Obradors Nature Communications 8, Article number: 1113 (2017) doi:10.1038/s41467-017-01361-2  While piezoelectric and ferroelectric materials play a key role in many everyday applications, there are still a number of open questions related to

Competition between Polar and Nonpolar Lattice Distortions in Oxide Quantum Wells: New Critical Thickness at Polar Interfaces

Competition between Polar and Nonpolar Lattice Distortions in Oxide Quantum Wells: New Critical Thickness at Polar Interfaces J. Gazquez, M. Stengel, R. Mishra, M. Scigaj, M. Varela, M. A. Roldan, J. Fontcuberta, F. Sánchez, and G. Herranz. Phys. Rev. Lett. 119,

Probing localized strain in solution-derived YBa2Cu3O7−δ nanocomposite thin films

Roger Guzman, Jaume Gazquez, Bernat Mundet, Mariona Coll, Xavier Obradors, and Teresa Puig. Phys. Rev. Materials. DOI: 10.1103/PhysRevMaterials.1.024801 Enhanced pinning due to nanoscale strain is unique to the high-Tc cuprates, where pairing may be modified with lattice distortion. Therefore a comprehensive

Novel Fe3O4@GNF@SiO2 nanocapsules fabricated through the combination of an in situ formation method and SiO2 coating process for magnetic resonance imaging

Novel Fe3O4@GNF@SiO2 nanocapsules fabricated through the combination of an in situformation method and SiO2 coating process for magnetic resonance imaging Changyong Lu,* Stefania Sandoval, Teresa Puig, Xavier Obradors, Gerard Tobias, Josep Rosa and Susagna Ricart. RSC Adv., 2017, 7, 24690. DOI: 10.1039/c7ra04080f An in situ approach for

Hybrid YBa2Cu3O7 Superconducting–Ferromagnetic Nanocomposite Thin Films Prepared from Colloidal Chemical Solutions

Hybrid YBa2Cu3O7 Superconducting–Ferromagnetic Nanocomposite Thin Films Prepared from Colloidal Chemical Solutions Elena Bartolomé, Pablo Cayado, Eduardo Solano,Cristian Mocuta, Susagna Ricart, Bernat Mundet, Marionna Coll, Jaume Gázquez, Alexander Meledin, Gustaaf van Tendeloo, Manuel Valvidares, Javier Herrero-Martín, Pierluigi Gargiani, Eric Pellegrin, Cesar Magén, Teresa

Untangling surface oxygen exchange effects in YBa2Cu3O6+x thin films by electrical conductivity relaxation

P. Cayado, C. F. Sánchez-Valdés,  A. Stangl,  M. Coll,  P. Roura,  A. Palau,  T. Puig  and  X. Obradors*. Phys. Chem. Chem. Phys., 2017,19, 14129-14140. DOI: 0.1039/C7CP01855J0.1039/C7CP01855J The kinetics of oxygen incorporation (in-diffusion process) and excorporation (out-diffusion process), in YBa2Cu3O6+x (YBCO) epitaxial thin films prepared using

Unveiling the Nucleation and Coarsening Mechanisms of Solution-Derived Self-Assembled Epitaxial Ce0.9Gd0.1O2–y Nanostructures

Albert Queraltó*, María de la Mata, Jordi Arbiol, Ruben Hühne∥, Xavier Obradors, and Teresa Puig. Cryst. Growth Des., 2017, 17 (2), pp 504–516. DOI: 10.1021/acs.cgd.6b01358   Self-assembling approaches based on chemical solution deposition (CSD) are ideal methods for the cost-effective production

Superconducting YBa2Cu3O7–δ Nanocomposites Using Preformed ZrO2 Nanocrystals: Growth Mechanisms and Vortex Pinning Properties

Katrien De Keukeleere, Pablo Cayado, Alexander Meledin, Ferran Vallès, Jonathan De Roo, Hannes Rijckaert, Glenn Pollefeyt, Els Bruneel, Anna Palau, Mariona Coll, Susagna Ricart, Gustaaf Van Tendeloo, Teresa Puig, Xavier Obradors, Isabel Van Driessche. Advanced Electronic Materials. DOI: 10.1002/aelm.201600161 Although high temperature superconductors are promising for power applications, the production of low-cost coated conductors

One-Step Route to Iron Oxide Hollow Nanocuboids by Cluster Condensation: Implementation in Water Remediation Technology

Lluís Balcells, Carlos Martínez-Boubeta*, José Cisneros-Fernández, Konstantinos Simeonidis, Bernat Bozzo, Judith Oró-Sole, Núria Bagués, Jordi Arbiol, Narcís Mestres, and Benjamín Martínez*. ACS Appl. Mater. Interfaces, 2016, 8 (42), pp 28599–28606. DOI: 10.1021/acsami.6b08709   The fabrication procedure of hollow iron oxide nanoparticles with a large surface to volume ratio by a single-step gas condensation process

Ultrafast Epitaxial Growth Kinetics in Functional Oxide Thin Films Grown by Pulsed Laser Annealing of Chemical Solutions

Albert Queraltó*, Angel Pérez del Pino, María de la Mata, Jordi Arbiol, Mar Tristany, Xavier Obradors, and Teresa Puig; Chem. Mater., 2016, 28 (17), pp 6136–6145. DOI: 10.1021/acs.chemmater.6b01968 The crystallization process and physical properties of different functional oxide thin films (Ce0.9Zr0.1O2-y, LaNiO3, Ba0.8Sr0.2TiO3, and La0.7Sr0.3MnO3) on single crystal substrates (Y2O3:ZrO2, LaAlO3, and

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