Author: albert

Giant reversible nanoscale piezoresistance at room temperature in Sr₂IrO₄ thin films
N. Domingo, L. López-Mir, M. Paradinas, V. Holy, J. Zelezny, D. Yi, S.J. Suresha, J. Liu, R. Ramesh, C. Ocal, X. Martí, G. Catalán
Nanoscale 2015, 7, 3453 – 3459 DOI: 10.1039/C4NR06954D

Bottom-up on-crystal in-chip formation of a conducting salt and a view of its restructuring: From organic insulator to conducting “switch” through microfluidic manipulation
J. Puigmartí-Luis, M. Paradinas, E. Bailo, R. RodriguezTrujillo, R. Pfattner, C. Ocal, D.B. Amabilino
Chemical Science 2015, 6, 3471-3477 DOI: 10.1039/c5sc00203f

Structure formation in diindenoperylene thin films on copper(111)

H. Aldahhak, S. Matencio, E. Barrena, C. Ocal, W. G. Schmidt and E. Rauls 
Phys. Chem. Chem. Phys., 2015, 17, 8776—8783. DOI: 10.1039/c4cp05271d

 

Intramolecular force contrast and dynamic current-distance measurements at room temperature

F. Huber, S. Matencio, A.J. Weymouth, C. Ocal, E. Barrena, and F.J. Giessibl

Phys. Rev. Lett. 2015, 066101-1-4. DOI: 10.1103/PhysRevLett.115.066101

(Article Selected for a Viewpoint in Physics)

 

Enhanced conduction and ferromagnetic order at (100)-type twin walls in La_0.7Sr_0.3MNO₃ thin films

Ll. Balcells, M.Paradinas, N.Baguès, N.Domingo, R.Moreno, R.Galceran, M.Walls, J.Santiso, Z.Konstantinovic, A.Pomar, M_J. Casanove, C. Ocal, B. Martínez, F.Sandiumenge

Phys:Rev. B 2015, 92, 075111,1-4 DOI: 10.1103/PhysRevB.92.075111

Instability and Surface Potential Modulation of Self-Patterned (001)SrTiO₃ Surfaces 
L. Aballe, S. Matencio, M. Foerster, E. Barrena, F. Sánchez, J. Fontcuberta and C. Ocal 
Chem.Mater. 2015, 27, 6198−6204 DOI: 10.1021/acs.chemmater.5b00661

Threshold-Voltage Shifts in Organic Transistors Due to SelfAssembled Monolayers at the Dielectric: Evidence for Electronic Coupling and Dipolar Effects
M. Aghamohammadi, R.Rödel, U.Zschieschang, C. Ocal, H. Boschker, R. T. Weitz, E. Barrena, H. Klauk
ACS Appl. Mater. Interfaces 2015, 7, 22775−22785 DOI: 10.1021/acsami.5b02747

Tailored surfaces of perovskite oxide surfaces for conducted growth of thin films
F. Sánchez, C. Ocal, J. Fontcuberta
Chemical Society Reviews 2014 43 (7), 2272 – 2285

Predicting Supramolecular Self-assembly on Reconstructed Metal Surfaces
Thomas J. Roussel, Esther Barrena, Carmen Ocal, and Jordi Faraudo
Nanoscale 2014, 6(14), 7991-8001

Influence of the Relative Molecular Orientation on Interfacial Charge-Transfer Excitons at Donor/Acceptor Nanoscale Heterojunctions
M. Aghamohammadi, A. Fernández, M. Schmidt, A. Pérez-Rodríguez, A.R.Goñi, J. Fraxedas, G. Sauthier, M. Paradinas, C. Ocal, E. Barrena.
J. Phys. Chem. C, 2014, 118 (27), pp 14833–14839

Macroscopic evidence of nanoscale resistive switching in La_2/3Sr_1/3MnO₃ micro-fabricated bridges
Peña, Luis; Garzon, Luis; Galceran, Regina; Pomar, Alberto; Bozzo, Bernat; Konstantinovic, Zorica; Sandiumenge, Felip; Balcells, Lluis; Ocal, Carmen; Martinez, Benjamin.
Journal of Physics Condensed Matter 2014, 26 – 39, 395010

Interplay between Fullerene Surface Coverage and Contact Selectivity of Cathode Interfaces in Organic Solar Cells
A.Guerrero, B. Dörling, T. Ripolles-Sanchis, M. Aghamohammadi, E. Barrena, M.o Campoy-Quiles, and G. Garcia-Belmonte, ACS Nano, 2013, 7, pp4637–4646

Surface grafting of a dense and rigid coordination polymer based on tri-para-carboxy-olychlorotriphenylmethyl radical and copper acetate
V. Mugnaini, M. Paradinas, O. Shekhah, N. Roques, C. Ocal, Ch. Wöll, J. Veciana
Jour. of Materials Chemistry C 2013, 1, 793-800, DOI: 10.1039/C2TC00037G

Heterogeneous nanotribological response of polymorphic self-assembled monolayers arising from domain and phase dependent friction
M. Paradinas, C. Munuera, Ch.Silien, M. Buck and C.Ocal
Phys. Chem. Chem. Phys., 2013, 15 (4), 1302 – 1309 DOI:10.1039/C2CP43769D

PTM Radicals for Molecular-Based Electronic Devices
N. Crivillers, M. Mas-Torrent, C. Simao, M. Paradinas, C. Munuera, C. Ocal, S.T. Bromley, C.Rovira, J. Veciana
Architecture and Design of Molecule Logic Gates and Atom Circuits, Advances in Atom and Single Molecule Machines
© Springer-Verlag Berlin Heidelberg 2013. DOI 10.1007/978-3-642-33137-4 6

In situ processing of electrically conducting graphene/SiC nanocomposites
P. Miranzo, C. Ramírez, B. Román-Manso, L. Garzón, H.R. Gutiérrez, M. Terrones, C. Ocal, M.I. Osendi, M. Belmonte
Journal of the European Ceramic Society 2013, 33, 1665-1674

Scanning Force Microscopy three-dimensional modes applied to conductivity measurements trough linear chain organic SAMs
C. Munuera, E. Barrena, C. Ocal
Nanotechnology 18, 125505-125512 (2007)

Deciphering structural domains of alkanethiol self-assembled configurations by Friction Force Microscopy
C. Munuera, E. Barrena, C. Ocal
Journal of Physical Chemistry A. 111(49); 12721-12726 (2007)

Grafting of monocarboxylic substituted polychlorotriphenylmethyl radicals on a COOH-functionalized self assembled monolayer through copper (II) metal ions
O. Shekhah, N. Roques, V. Mugnaini, C. Munuera, C. Ocal, J. Veciana, C. Wöll
Langmuir, 24(13) 6640-6648 (2008)

Aleaciones de Titanio. Superficies modificadas para obtener propiedades elásticas que aumenten su biocompatibilidad.
C. Munuera, T.R. Matzelle, N. Kruse, M.F. López, A. Gutiérrez, J. A. Jiménez, C. Ocal
Investigación y Ciencia, sección Ciencia y Sociedad. Número de Junio, 10-11 (2008)

Nanomechanical properties of surface-modified titanium alloys for biomedical applications.
D. Cáceres, C. Munuera, C. Ocal, J. A. Jiménez, A. Gutiérrez, M.F. López
Acta Biomaterialia 4(5), 1545-1552 (2008)

The controlled growth of oriented metal organic frameworks on functionalized surfaces as followed by Scanning Force Microscopy
C. Munuera, O. Shekhah, Hui Wang, Ch. Wöll, C. Ocal
Phys. Chem. Chem. Phys. 10, 7257 – 7261 (2008)

Layer-By-Layer Electropeeling of Organic Conducting Material Imaged In Real Time
C. Munuera, J. Puigmartí-Luis, M. Paradinas, L. Garzón, D.B. Amabilino, C. Ocal
Small 5, 214-220 (2009)

Dramatic influence of the electronic structure on the conductivity through open and closed-shell molecules
N. Crivillers, C. Munuera, M. Mas-Torrent, C. Simao, S. T. Bromley, C. Ocal, C. Rovira and J. Veciana
Advanced Materials 21, 1177-1181 (2009)

Controlling Interpenetration in Metal-Organic Frameworks by Liquid Phase Epitaxy
Osama Shekhah, Hui Wang, Markos Paradinas, Carmen Ocal, Björn Schüpbach, Andreas Terfort, Denise Zacher, Roland A. Fischer, and Christof Wöll
Nature Materials 8, 481 – 484 (2009)

Self-assembly of SrTiO3(001) chemical-terminations: a route for oxide-nanostructure fabrication by selective growth
R. Bachelet, F. Sánchez, J. Santiso, C. Munuera, C. Ocal and J. Fontcuberta
Chemical Materials 21, 2494-2498 (2009)

Pyramid-like nanostructures created by Si homoepitaxy on Si(001)
N. Galiana, P. P. Martin, C. Munuera, M. Varela, C. Ocal, M. Alonso and A. Ruiz
Materials Science in Semiconductor Processing 12, 52-56(2009)

Exploring the tilt-angle dependence of electron tunneling across molecular junctions of self-assembled alkanethiols
T. Frederiksen, C. Munuera, C. Ocal, M. Brandbyge, M. Paulsson, D. Sanchez-Portal, and A. Arnau
ACS Nano 3, 2073-2080 (2009)

Absence of self-heated bistable resistivity in La0.7Sr0.3MnO3 films up to high current densities
C. Moreno, C. Munuera, A. Pérez del Pino, J. Gutiérrez, T. Puig, C. Ocal, and X. Obradors
Physical Review B 80, 094412(6) (2009)

Atomically flat SrO-terminated SrTiO3(001) substrate
R. Bachelet, F. Sánchez, F.J. Palomares, C. Ocal and J. Fontcuberta
Applied Physics Letters 95, 141915 (2009)

Load-free determination of film structure dependent tunneling decay factors in molecular junctions
C. Munuera and C. Ocal
J. Phys. Chem. C 113, 21903-21910 (2009)

Study of nano-conductive and magnetic properties of nanostructured iron films prepared by sputtering at very low termperatures
Félix Jiménez-Villacorta, Carmen Munuera, Carmen Ocal, Carlos Prieto
Journal of Nanoparticle Research 12, 1117-1127 (2010)

Tuning the local frictional and electrostatic responses of nanostructured SrTiO3 -surfaces by self-assembled molecular monolayers
M. Paradinas, L. Garzón, F .Sánchez, R. Bachelet, D.B. Amabilino, J. Fontcuberta and C. Ocal
Phys. Chem. Chem. Phys. 12,4452-4458 (2010)

New Insight into the Role of the Interfacial Molecular Structure on Growth and Scaling in Organic Heterostructures
Y. Zhang, E. Barrena, X. Zhang, A. Turak, F. Maye, H. Dosch
J. Phys. Chem. C 114, 13752-13758 (2010)

Contrast inversion in non-contact Dynamic Scanning Force Microscopy: What is high and what is low?
E. Palacios-Lidon, C. Munuera, C.Ocal, J.Colchero
Ultramicroscopy 110, 789-800 (2010)

Tuning the Chirality of Low-dimensional Supramolecular Structures with the Number of Stereogenic Centers in the Component Porphyrins
Patrizia Iavicoli, Hong Xu, Lise N. Feldborg, Mathieu Linares, Markos Paradinas, Sven Stafsröm, Carmen Ocal, Roberto Lazzaroni, Steven De Feyter, David B. Amabilino
Journal of the American Chemical Society 132, 9350-9362(2010)

Reversible Resistive Switching and Multilevel Recording in La0.7Sr0.3MnO3 Thin Films for Low Cost Nonvolatile Memories
César Moreno, Carmen Munuera, Sergio Valencia, Florian Kronast, Xavier Obradors, Carmen Ocal
Nanoletters 10, 3828-3835 (2010)

Copper-phthalocyanine based metal-organic interfaces: The effect of fluorination, the substrate, and its symmetry
D. G. de Oteyza,A. El-Sayed, J. M. Garcia-Lastra, E. Goiri, T. N. Krauss,
A. Turak, E. Barrena, H. Dosch, J. Zegenhagen, A. Rubio, Y. Wakayama, J. E. Ortega
Journal of Chemical Physics 133, 214703-214703-6 (2010)

Moving through the Phase Diagram: Morphology Formation in Solution Cast Polymer_Fullerene Blend Films for Organic Solar Cells
B. Schmidt-Hansberg, M. Sanyal, M. F. G. Klein, M. Pfaff, N.Schnabel, S. Jaiser, A. Vorobiev, E. Müller, A. Colsmann, P. Scharfer, D.Gerthsen, U. Lemmer, E. Barrena, W.Schabel
ACS Nano, 5, 8579-8590 ( 2011)

Conducted growth of SrRuO₃ nanodot arrays on self-ordered La_0.18Sr_0.82Al_0.59Ta_0.41O₃ (001) surfaces
R. Bachelet, C. Ocal, L. Garzón, J. Fontcuberta and F. Sánchez, Appl. Phys. Lett. 99, 051914 (2011)

Effect of Processing Parameters on Performance of Spray-Deposited Organic Thin-Film Transistors
Jack W. Owen, Natalia A. Azarova, Marsha A. Loth, Markos Paradinas, Mariona Coll, Carmen Ocal, John E. Anthony, and Oana D. Jurchescu
Journal of Nanotechnology 2011, Article ID 914510 (2011)

Electrical conductivity maps in graphene nanoplatelet/silicon nitride composites using conducting scanning force microscopy
C. Ramirez , L. Garzón , P. Miranzo , M.I. Osendi , C. Ocal
Carbon 49, 3873 -3880 (2011)

Effect of Photovoltaic Polymer/Fullerene Blend Composition Ratio on Microstructure Evolution during Film Solidification Investigated in Real Time by X-ray Diffraction
M. Sanyal, B. Schmidt-Hansberg, M. F.G. Klein, C. Munuera, A. Vorobiev, A. Colsmann, U. Lemmer, W. Schabel, H. Dosch, E. Barrena, Macromolecules, 44, 3795 (2011)

Multi-scale electrical response of silicon nitride/multi-walled carbon nanotubes composites
J. González-Julián, Y. Iglesias, A. C. Caballero, M. Belmonte, L. Garzón, C. Ocal, P. Miranzo, M. I. Osendi
Composites Science and Technology 71, 60-66 (2011)

Formation of pyramid-like nanostructures in MBE-grown Si films on Si(001)
N. Galiana, P.P. Martin, L. Garzón, E. Rodríguez-Cañas, C. Munuera, F. Esteban-Betegón, M. Varela, C. Ocal, M. Alonso, A. Ruiz
Appl Phys A102: 731-738 (2011)

Decoupling mechanisms and magnetic stability of nanostructured iron chains prepared by sputtering
F. Jiménez-Villacorta, E. Céspedes, C. Munuera, C. Ocal and C. Prieto
Appl Phys Lett 98, 102513-1-3 (2011)

Negavite Differential Resistance (NDR) in similar molecules with distinct redox behaviour
N. Crivillers, M. Paradinas, M. Mas-Torrent, S.T. Bromley, C. Rovira, C. Ocal and J. Veciana
Chem. Commun., 47, 4664-4666 (2011)

Tunable symmetry and periodicity in binary supramolecular nanostructures
D. G. de Oteyza, E. Barrena, H. Dosch, J. E. Ortega and Y. Wakayama
Phys. Chem. Chem. Phys., 13, 4220-4223 (2011)

Growth mechanisms of phthalocyanine nanowires induced by Au nanoparticle templates
T.N. Krauss, E. Barrena, T.Lohmüller, J.P. Spatz and H. Dosch
Phys. Chem. Chem. Phys., 13, 5940-5944 (2011)

In-situ x-ray study of drying temperature influence on the structural evolution of bulk heterojunction polymer-fullerene solar cells processed by doctor-blading

M. Sanyal, B. Schmidt-Hansberg, M. F.G. Klein, A. Colsmann, C. Munuera, A. Vorobiev, U. Lemmer, W. Schabel, H. Dosch, E. Barrena, Advanced Energy Materials, 1, 362 (2011)

Strong water-mediated friction asymmetry and surface dynamics of zwitterionic solids at ambient conditions: L-alanine as a case study
J.J. Segura, A. Verdaguer, L. Garzón, E. Barrena, C. Ocal and J. Fraxedas
J. Chem. Phys. 134(13), 124705-1-9 (2011)

Effect of Processing Parameters on Performance of Spray-deposited Organic Thin-Film Transistors.
Jack W. Owen, Natalia A. Azarova, Marsha A. Loth, Markos Paradinas, Mariona Coll, Carmen Ocal, John E. Anthony, and Oana D. Jurchescu. Materials and Devices for Organic Electronics issue of J. of Nanotechnology Volume 2011, Article ID 914510 (2011) DOI:10.1155/2011/914510 

Photovoltaic Response to Structural Modifications on a Series of Conjugated Polymers Based on 2-Aryl-2H-benzotriazoles
Felix M. Pasker, Michael F. G. Klein, Monamie Sanyal, Esther Barrena, Uli Lemmer, Alexander Colsmann, Sigurd Höger
J. of Polymer Science part A: Polymer Chemistry 49, 5001-5011 (2011)

“Investigation of non-halogenated solvent mixtures for high throughput fabrication of polymer-fullerene solar cells”

B. Schmidt-Hansber, M. Sanyal, N. Grossiord, Y. Galagan, M. Baunach, M. F.G. Klein, A. Colsman, P. Scharfer, U. Lemmer, H. Dosch, J. Michels, E. Barrena, W. Schabel 
Solar Energy Materials and Solar Cells,   96, 195–201 (2012)

Structure Formation in Low-Bandgap Polymer:Fullerene Solar Cell Blends in the Course of Solvent Evaporation

Schmidt-Hansberg, Benjamin; Klein, Michael F. G.; Sanyal, Monamie; et al.
Macromolecules, 45, 7948-7955  
DOI: 10.1021/ma300945k

Tailored Interfaces for Self-Patterning Organic Thin-Film Transistors

J.W. Ward, M.A. Loth, R. J.Kline, M. Coll, C. Ocal, J.E. Anthony, O.D. Jurchescu
Jour. of Materials Chemistry 2012, 22(36), 19047-19053  DOI: 10.1039/c2jm33974a

Nanoscale laterally-modulated properties of oxide ultrathin films by substrate termination replica through layer-by-layer growth

C. Ocal, R. Bachelet, L. Garzón, M. Stengel, F. Sánchez and J. Fontcuberta
Chem. Mat (2012)  DOI: 10.1021/cm302444s 

The memory effect of nanoscale memristors investigated by conducting scanning probe microscopy methods

C. Moreno, C. Munuera, X. Obradors and C. Ocal
Beilstein J. Nanotechnol. 2012, 3, 722-730