Selected publications since 2010

YEAR 2018

Giant topological Hall effect in correlated oxide thin films. Lorenzo Vistoli, Wenbo Wang, Anke Sander, Qiuxiang Zhu, Blai Casals, Rafael Cichelero, Agnès Barthélémy, Stéphane Fusil, Gervasi Herranz, Sergio Valencia, Radu Abrudan, Eugen Weschke, Kazuki Nakazawa, Hiroshi Kohno, Jacobo Santamaria, Weida Wu, Vincent Garcia & Manuel Bibes

Nature Physics. (2018).

 

Low-Temperature Dielectric Anisotropy Driven by an Antiferroelectric Mode in SrTiO3.  Blai Casals, Andrea Schiaffino, Arianna Casiraghi, Sampo J. Hämäläinen, Diego López González, Sebastiaan van Dijken, Massimiliano Stengel, and Gervasi Herranz. Phys. Rev. Lett. 120, 217601 (2018). https://doi.org/10.1103/PhysRevLett.120.217601

YEAR 2017

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, 106102 (2017). https://doi.org/10.1103/PhysRevLett.119.106102

Direct observation of multivalent states and 4f→3d charge transfer in Ce-doped yttrium iron garnet thin films. H. B. Vasili, B. Casals, R. Cichelero, F. Macià, J. Geshev, P. Gargiani, M. Valvidares, J. Herrero-Martin, E. Pellegrin, J. Fontcuberta, and G. Herranz, Physics Review B 96, 014433 (2017) https://doi.org/10.1103/PhysRevB.96.014433

Infrared ellipsometry study of photogenerated charge carriers at the (001) and (110) surfaces of  SrTiO3 crystals and at the interface of the corresponding LaAl
O3/SrTiO3 heterostructures
M. Yazdi-Rizi, P. Marsik, B. P. P. Mallett, K. Sen, A. Cerreta, A. Dubroka, M. Scigaj, F. Sánchez, G. Herranz, and C. Bernhard, Physics Review B 95, 195107 (2017) https://doi.org/10.1103/PhysRevB.95.195107

Evidence of a minority monoclinic LaNiO2.5 phase in lanthanum nickelate thin film. Phys. Chem. Chem. Phys., 19, 9137-9142 (2017) https://10.1039/C7CP00902J

YEAR 2016

Giant Optical Polarization Rotation Induced by Spin-Orbit Coupling in PolaronsBlai Casals, Rafael Cichelero, Pablo García Fernández, Javier Junquera, David Pesquera, Mariano Campoy-Quiles, Ingrid C. Infante, Florencio Sánchez, Josep Fontcuberta, and Gervasi Herranz, Physics Review Letters 117, 026401 (2016) https://doi.org/10.1103/PhysRevLett.117.026401

Physics logo See Synopsis: Polarons Drive a Magneto-Optical Effect

 

Untangling the contributions of cerium and iron to the magnetism of Ce-doped yttrium iron garnet. Blai Casals, Marina Espínola, Rafael Cichelero, Stephan Geprägs, Matthias Opel, Rudolf Gross, Gervasi Herranz and Josep Fontcuberta, Applied Physics Letters 108, 102407 (2016) http://dx.doi.org/10.1063/1.4943515

Interface Magnetoelectric Coupling in Co/Pb(Zr,Ti)O3. Ondřej Vlašín, Romain Jarrier, Rémi Arras, Lionel Calmels, Bénédicte Warot-Fonrose, Cécile Marcelot, Matthieu Jamet, Philippe Ohresser, Fabrice Scheurer, Riccardo Hertel, Gervasi Herranz, and Salia Cherifi-Hertel, ACS Appl. Mater. Interfaces 8, 553 (2016) DOI: 10.1021/acsami.5b12777

Strain-Driven Orbital and Magnetic Orders and Phase Separation in Epitaxial Half-Doped Manganite Films for Tunneling Devices. D. Pesquera, A. Barla, M. Wojcik, E. Jedryka, F. Bondino, E. Magnano. Nappini, D. Gutiérrez, G. Radaelli, G. Herranz, F. Sánchez, and J. Fontcuberta, Physics Review Applied 6, 034004 (2016) http://dx.doi.org/10.1063/1.4943515

Multiple strain-induced phase transitions in LaNiO3 thin films. M. C. Weber, M. Guennou, N. Dix, D. Pesquera, F. Sanchez,  G. Herranz, J. Fontcuberta, L. Lopez-Conesa, S. Estrade, F. Peiro, Jorge Iniguez, and J. Kreisel, Physics Review B 94, 014118 (2016) http://dx.doi.org/10.1063/1.4943515

 

 

YEAR 2015

Optical Imaging of Nonuniform Ferroelectricity and Strain at the Diffraction Limit. Ondrej Vlasin, Blai Casals, Nico Dix, Diego Gutiérrez, Florencio Sánchez & Gervasi Herranz, Scientific Reports 5 15800 (2015) DOI:10.1038/srep15800

 Engineering two-dimensional superconductivity and Rashba spin–orbit coupling in LaAlO3/SrTiO3 quantum wells by selective orbital occupancy. Gervasi Herranz, Gyanendra Singh, Nicolas Bergeal, Alexis Jouan, Jérôme Lesueur, Jaume Gázquez,  María Varela,   Mateusz Scigaj, Nico Dix, Florencio Sánchez  & Josep Fontcuberta, Nature Communications 6 6028 (2015) DOI:10.1038/ncomms7028

 Conducting interfaces between amorphous oxide layers and SrTiO3(110) and SrTiO3(111). Mateusz Scigaj, Jaume Gázquez, María Varela, Josep Fontcuberta, Gervasi Herranz, Florencio Sánchez, Solid State Ionics 281 68 (2015) doi:10.1016/j.ssi.2015.09.002

 

YEAR 2014

 Magnetopolaron-induced optical response in transition metal oxides. M. Caicedo, J. Fontcuberta, and G. Herranz, Physical Review B, 89 045121  (2014) http://dx.doi.org/10.1103/PhysRevB.89.045121

 Interface and Bulk Charge Localization in Manganite Thin Films. David Pesquera, Marek Wojcik, Ewa Jedryka, Vladimir Laukhin, Nico Dix, Florencio Sánchez, Gervasi Herranz and Josep Fontcuberta, Advanced Materials Interfaces, 1 1400079 (2014) doi: 10.1002/admi.201400079121

Yttria-stabilized zirconia/SrTiO3 oxide heteroepitaxial interface with symmetry discontinuity. Scigaj, N. Dix, M. Cabero, A. Rivera-Calzada, J. Santamaria, J. Fontcuberta, G. Herranz and F. Sánchez, Appl. Phys. Lett. 104, 251602 (2014) http://dx.doi.org/10.1063/1.4885089

 Two-Dimensional Electron Gases at LaAlO3/SrTiO3 Interfaces: Orbital Symmetry and Hierarchy Engineered by Crystal Orientation. Pesquera, M. Scigaj, P. Gargiani, A. Barla, J. Herrero-Martín, E. Pellegrin, S. M. Valvidares, J. Gázquez, M. Varela, N. Dix, J. Fontcuberta, F. Sánchez, and G. Herranz, Phys. Rev. Lett. 113, 156802 (2014) https://doi.org/10.1103/PhysRevLett.117.026401

 Expanding Effective-Medium Theory to Optical Diamagnetic Responses in Magnetoplasmonic Colloids. Ondřej Vlašín, Oana Pascu, Anna Roig, and Gervasi Herranz, Phys. Rev. Applied. 2, 054003 (2014) http://dx.doi.org/10.1103/PhysRevApplied.2.054003

 

YEAR 2012

 Magnetorefractive Effect in Manganites with a Colossal Magnetoresistance in the Visible Spectral Region. P. Sukhorukov, A. V. Telegin, A. B. Granovsky, E. A. Gan’shina, A. Zhukov, J. Gonzalez, G. Herranz, J. M. Caicedo, A. N. Yurasov, V. D. Bessonov, A. R. Kaul, O. Yu. Gorbenko, I.E. Korsakov, Journal of Experimental and Theoretical Physics, 114, 141 (2012)

 2D Magnetic Frames Obtained by the Microwave-Assisted Chemistry Approach. Oana Pascu, Martí Gich, Gervasi Herranz, Anna Roig, European Journal of Inorganic Chemistry, 16, 2656 (2012) 10.1002/ejic.201101244

 Laterally confined two-dimensional electron gases in self-patterned LaAlO3/SrTiO3 M. Foerster, R. Bachelet, V. Laukhin, J. Fontcuberta, G. Herranz, F. Sánchez, Applied Physics Letters 100, 231607 (2012) http://dx.doi.org/10.1063/1.4728109

 Magneto-optical enhancement by plasmon excitations in nanoparticle/metal structures. Rubio-Roy, O. Vlasin, O. Pascu, J. M. Caicedo, M. Schmidt, A. R. Goñi, N. G. Tognalli, A. Fainstein, A. Roig, G. Herranz, Langmuir, 28, 9010 (2012)

 Surface Reactivity of Iron Oxide Nanoparticles by Microwave-Assisted Synthesis; Comparison with the Thermal Decomposition Route. Oana Pascu, Elisa Carenza, Martí Gich, Sònia Estradé, Francesca Peiró, Gervasi Herranz, Anna Roig, The Journal of Physical Chemistry C, in press (published online): DOI: 10.1021/jp303204d

 Orbital symmetry reconstruction and strong mass renormalization in the two-dimensional electron gas at the surface of KTaO3. F. Santander-Syro, C. Bareille, F. Fortuna, O. Copie, M. Gabay, F. Bertran, A. Taleb-Ibrahimi, P. Le Fèvre, G. Herranz, N. Reyren, M. Bibes, A. Barthélémy, P. Lecoeur, J. Guevara1, and M. J. Rozenberg, Phys. Rev. B 86, 121107(R) (2012)

 High mobility conduction at (110) and (111) LaAlO3/SrTiO3 G. Herranz, F. Sánchez, N. Dix, M. Scigaj, J. Fontcuberta, Scientific Reports (Nature’s Group) 2, 758 (2012)

 Surface symmetry-breaking and strain effects on orbital occupancy in transition metal perovskite epitaxial films. Pesquera, G. Herranz, A. Barla, E. Pellegrin, F. Bondino, E. Magnano, F. Sánchez, J. Fontcuberta, Nature Communications 3,1189 (2012)

 Electronic Subband Reconfiguration in a d(0)-Perovskite Induced by Strain-Driven Structural Transformations. Laukhin, O. Copie, M. J. Rozenberg, R. Weht, K. Bouzehouane, N. Reyren, E. Jacquet, M. Bibes, A. Barthélémy, G. Herranz, Physical Review Letters 109, 226601 (2012)

 

 

YEAR 2011

 Two-dimensional electron gas with universal subbands at the surface of SrTiO3. F. Santander-Syro, O. Copie, T. Kondo, F. Fortuna, S. Pailhès, R. Weht, X. G. Qiu, F. Bertran, A. Nicolaou, A. Taleb-Ibrahimi, P. Le Fèvre, G. Herranz, M. Bibes, N. Reyren, Y. Apertet, P. Lecoeur, A. Barthélémy and M. J. Rozenberg, Nature 469, 189 (2011)

 Magnetophotonic Response of Three-Dimensional Opals. M. Caicedo, O. Pascu, M. López-García, V. Canalejas, A. Blanco, C. López, J. Fontcuberta, A. Roig, , G. Herranz, ACS Nano, 2011, 5 (4), pp 2957–2963)

 Ultrathin conformal coating for complex magneto-photonic structures Pascu, J. M. Caicedo, M. López-García, V. Canalejas, A. Blanco, C. López, J. Arbiol, J. Fontcuberta, A. Roig, G. Herranz, Nanoscale 3, 4811 (2011)

 X-ray interference effects on the determination of structural data in ultrathin La2/3Sr1/3MnO3 epitaxial thin films. Pesquera, X. Marti, V. Holy, R. Bachelet, G. Herranz, and J. Fontcuberta, Applied Physics Letters, 99, 221901 (2011)

 Magnetoelastic coupling in La2/3Sr1/3MnO3 thin films on SrTiO3. Pesquera, V. Skumryev, F. Sánchez, G. Herranz, and J. Fontcuberta, Physical Review B, 84, 184412 (2011)

 Effect of the capping on the local Mn oxidation state in buried (001) and (110) SrTiO3/La2/3Ca1/3MnO3 S. Estradé, J.M. Rebled, M.G. Walls, F. de la Pena, C. Colliex, R. Cordoba, I.C. Infante, G. Herranz, F. Sánchez, J. Fontcuberta, F. Peiró, Journal of Applied Physics 110, 103903  (2011)

  

 

YEAR 2010

 Facile route to magnetophotonic crystals by infiltration of 3D inverse opals with magnetic nanoparticles.M. Caicedo, E.Taboada, D.Hrabovský, M.López-García, G.Herranz, A.Roig, A.Blanco, C. López , J.Fontcuberta, Journal of Magnetism and Magnetic Materials 322, 1494-1496 (2010)

 Strong magnetorefractive effect in epitaxial La2/3Ca1/3MnO3 thin films. Hrabovsky, G. Herranz, J. M. Caicedo, I.C: Infante, F. Sánchez, J. Fontcuberta, Journal of Magn. and Magn. Mater. 322, 148 (2010)

 Dynamical Response and Confinement of the Electrons at the LaAlO3/SrTiO3 A. Dubroka, M. Rössle, K. W. Kim, V. K. Malik, L. Schultz, S. Thiel, C. W. Schneider, J. Mannhart, G. Herranz, O. Copie, M. Bibes, A. Barthélémy, and C. Bernhard, Phys. Rev. Lett. 104, 156807 (2010)

 Point defect distribution in high-mobility conductive SrTiO3 A. Gentils, O. Copie, G. Herranz, F. Fortuna, M. Bibes, K. Bouzehouane, É. Jacquet, C. Carrétéro, M. Basletić, E. Tafra, A. Hamzić, and A. Barthélémy, Phys. Rev. B 81, 144109 (2010)

 Vacancy defect and carrier distributions in the high mobility electron gas formed at ion-irradiated SrTiO3 G. Herranz, O. Copie, A. Gentils, E. Tafra, M. Basletic, F. Fortuna, K. Bouzehouane, S. Fusil, E. Jacquet, C. Carretero, M. Bibes, A. Hamzic, A. Barthelemy, J. Appl. Phys. 107, 103704 (2010)

 Magneto-Optical Characterization of Colloidal Dispersions. Application to Nickel Nanoparticles. Pascu, J. M. Caicedo, J. Fontcuberta, G. Herranz and A. Roig, Langmuir 26, 12548 ( 2010)

 Strong magnetorefractive and quadratic magneto-optical effects in (Pr4La0.6)0.7Ca0.3MnO3. J. M. Caicedo, M. C. Dekker, K. Dörr, J. Fontcuberta, and G. Herranz, Phys. Rev. B 82, 140410(R) (2010)

 Large magnetorefractive effect in magnetite. J M Caicedo, S K Arora, R Ramos, I V Shvets, J Fontcuberta and Herranz, New Journal of Physics 12, 103023 (2010)