YEAR 2022
Jahn-Teller states mixed by spin-orbit coupling in an electromagnetic field
Alejandro S. Miñarro, Gervasi Herranz
Phys. Rev. B 106, 165108 (2022) https://doi.org/10.48550/arXiv.2207.06501
Electrical characterization and extraction of activation energies of the defect states in the LaAlO3/SrTiO3 heterostructure
Yoann Lechaux1,a), Yu Chen2, Albert Minj3, Florencio Sánchez2, Gervasi Herranz2, Laurence Méchin1, and Bruno Guillet
Appl. Phys. Lett. 121, 081904 (2022); https://doi.org/10.1063/5.0101255
Non-collinear and asymmetric polar moments at back-gated SrTiO3 interfaces
Fryderyk Lyzwa, Yurii G. Pashkevich, Premysl Marsik, Andrei Sirenko, Andrew Chan, Benjamin P. P. Mallett, Meghdad Yazdi-Rizi, Bing Xu, Luis M. Vicente-Arche, Diogo C. Vaz, Gervasi Herranz, Maximilien Cazayous, Pierre Hemme, Katrin Fürsich, Matteo Minola, Bernhard Keimer, Manuel Bibes & Christian Bernhard Communications Physics volume 5, Article number: 133 (2022) https://doi.org/10.1038/s42005-022-00905-3
Two-gap s±-wave superconductivity at an oxide interface
G. Singh, G. Venditti, G. Saiz, G. Herranz, F. Sánchez, A. Jouan, C. Feuillet-Palma, J. Lesueur, M. Grilli, S. Caprara, and N. Bergeal Phys. Rev. B 105, 064512 (2022) DOI:https://doi.org/10.1103/PhysRevB.105.064512
Dynamic control of octahedral rotation in perovskites by defect engineering
Jiahui Jia, Xu He, Arsalan Akhtar, Gervasi Herranz, Miguel Pruneda. Phys. Rev. B 105, 224112, 2022 https://doi.org/10.1103/PhysRevB.105.224112
YEAR 2021
Optical Plasmon Excitation in Transparent Conducting SrNbO3 and SrVO3 Thin Films.
Mathieu Mirjolet, Mikko Kataja, Tommi K. Hakala, Philipp Komissinskiy, Lambert Alff, Gervasi Herranz, and Josep Fontcuberta, Adv.OpticalMater.2021, 9, 2100520; DOI: 10.1002/adom.2021005204
Highly transparent and conductive ITO substrates for near infrared applications.
Rinu Abraham Maniyara, Christina Graham, Bruno Paulillo, Yu Bi, Yu Chen, Gervasi Herranz, David E. Baker, Prantik Mazumder, Gerasimos Konstantatos and Valerio Pruneri,. APL Materials 9, 021121 (2021); https://doi.org/10.1063/5.0040864
YEAR 2020
Optical second harmonic generation from LaAlO3/SrTiO3 interfaces with different in-plane anisotropies.
Andrea Rubano, Mateusz Scigaj, Florencio Sanchez, Gervasi Herranz, Domenico Paparo. Journal of Physics: Condensed Matter 32 135001 (2020) https://doi.org/10.1088/1361-648X/AB5CCC
Photoinduced Persistent Electron Accumulation and Depletion in LaAlO3/SrTiO3 Quantum Wells.
Yu Chen, Yoann Lechaux, Blai Casals, Bruno Guillet, Albert Minj, Jaume Gázquez, Laurence Méchin, and Gervasi Herranz. Physical Review Letters 124, 246804 (2020) https://doi.org/10.1103/PhysRevLett.124.246804
YEAR 2019
Electric-field-induced avalanches and glassiness of mobile ferroelastictwin domains in cryogenic SrTiO3.
Blai Casals, Sebastiaan van Dijken, Gervasi Herranz, and Ekhard K. H. Salje. PHYSICAL REVIEW RESEARCH 1, 032025(R) (2019) https://doi.org/10.1103/PhysRevResearch.1.032025
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures. Kataja, M., Cichelero, R., Herranz, G. . J. Vis. Exp. (153), e60094, doi:10.3791/60094 (2019). Funded by the European Comission through Marie Skłodowska-Curie IF EMPHASIS – DLV-748429.
Solid-State Synapses Modulated by Wavelength-Sensitive Temporal Correlations in Optic Sensory Inputs. Yu Chen, Blai Casals, Florencio Sánchez and Gervasi Herranz. ACS Appl. Electron. Mater. (2019). https://doi.org/10.1021/acsaelm.9b00127
Optical isolation in magnetoplasmonic diffraction gratings . Rafael Cichelero; Mikko Kataja; Gervasi Herranz
Proceedings of SPIE, Volume 11090, Spintronics XII; 1109039 (2019) https://doi.org/10.1117/12.2528693. Funded by the European Comission through Marie Skłodowska-Curie IF EMPHASIS – DLV-748429
Plasticity of Persistent Photoconductance of Amorphous LaAlO3/
SrTiO3 Interfaces under Varying Illumination Conditions. Yu Chen, Blai Casals, and Gervasi Herranz. ACS Appl. Electron. Mater. (2019). https://doi.org/10.1021/acsaelm.9b00127
Disentangling Highly Asymmetric Magnetoelectric Effects in Engineered Multiferroic Heterostructures . Enric Menéndez, Veronica Sireus, Alberto Quintana, Ignasi Fina, Blai Casals, Rafael Cichelero, Mikko Kataja, Massimiliano Stengel, Gervasi Herranz, Gustau Catalán, Maria Dolors Baró, Santiago Suriñach, and Jordi Sort. Phys. Rev. Applied 12, 014041 (2019). https://doi.org/10.1103/PhysRevApplied.12.014041.9b00127
Electronic and structural reconstructions of the polar (111)
SrTiO3 surface. X. Torrelles, G. Cantele, G. M. De Luca, R. Di Capua, J. Drnec, R. Felici, D. Ninno, G. Herranz, and M. Salluzzo. Phys. Rev. B. 99, 205421 (2019). https://doi.org/10.1103/PhysRevB.99.205421
Gap suppression at a Lifshitz transition in a multi-condensate superconductor. G. Singh, A. Jouan, G. Herranz, M. Scigaj, F. Sánchez, L. Benfatto, S. Caprara, M. Grilli, G. Saiz, F. Couëdo, C. Feuillet-Palma, J. Lesueur & N. Bergeal. Nature Materials. 15, 67–72 (2019). https://doi.org/10.1038/s41563-019-0354-z
Towards Oxide Electronics: a Roadmap. M. Coll et al., Towards Oxide Electronics: a Roadmap. M. Coll et al., 20. Functional oxides in photonic integrated devices G. Herranz and P. Sanchis, Applied Surface Science, 482, Pages 1-93
(2019) . https://doi.org/10.1016/j.apsusc.2019.03.312
Unexpected large transverse magneto-optic Kerr effect at quasi-normal incidence in magnetoplasmonic crystals. Cichelero, M.A. Oskuei, M. Kataja, S.M. Hamidi, G. Herranz, Journal of Magnetism and Magnetic Materials 476 (2019) 54–58. https://doi.org/10.1016/j.jmmm.2018.12.036. Funded by the European Comission through Marie Skłodowska-Curie IF EMPHASIS – DLV-748429
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. 15, 67–72 (2019).
YEAR 2018
Non-reciprocal diffraction in magnetoplasmonic gratings. Rafael Cichelero, Mikko Kataja, Mariano Campoy-Quiles, and Gervasi Herranz, Optics Express 26 34842-34852 (2018). https://doi.org/10.1364/OE.26.034842. Funded by the European Comission through Marie Skłodowska-Curie IF EMPHASIS – DLV-748429
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 Polarons. Blai 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
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)
GERVASI HERRANZ'S LAB 