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1.
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34 p, 4.7 MB |
Conducting chiral nickel(ii) bis(dithiolene) complexes : Structural and electron transport modulation with the charge and the number of stereogenic centres
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Abhervé, Alexandre (Université d'Angers) ;
Mroweh, Nabil (Université d'Angers) ;
Cauchy, Thomas (Université d'Angers) ;
Pop, Flavia (Université d'Angers) ;
Cui, HengBo (Condensed Molecular Materials Laboratory. RIKEN) ;
Kato, Reizo (Condensed Molecular Materials Laboratory. RIKEN) ;
Vanthuyne, Nicolas (Aix-Marseille Université) ;
Alemany, Pere (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ;
Canadell Casanova, Enric 1950- (Institut de Ciència de Materials de Barcelona) ;
Avarvari, Narcis (Université d'Angers)
Nickel(ii) bis(dithiolene) complexes can provide crystalline conducting materials either in their monoanionic or neutral forms. Here we show that the use of chiral dithiolene ligands with one or two stereogenic centres, together with variation of the counter-ion in the anionic complexes, represents a powerful strategy to modulate the conducting properties of such molecular materials. [...]
2021 -  10.1039/d1tc00439e
Journal of Materials Chemistry C, Vol. 9, Issue 12 (March 2021) , p. 4119-4140
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2.
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9 p, 1.6 MB |
Impact of synthetic conditions on the anisotropic thermal conductivity of poly(3,4-ethylenedioxythiophene) (PEDOT) : a molecular dynamics investigation
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Cappai, Antonio (University of Cagliari. Department of Physics) ;
Antidormi, Aleandro (Institut Català de Nanociència i Nanotecnologia) ;
Bosin, Andrea (University of Cagliari. Department of Physics) ;
Narducci, Dario (University of Milano-Bicocca. Department of Materials Science) ;
Colombo, Luciano (University of Cagliari. Department of Physics) ;
Melis, Claudio (University of Cagliari. Department of Physics)
In this work we study the effect of different synthetic conditions on thermal transport properties of poly(3,4-ethylenedioxythiophene) (PEDOT) by focusing in particular on the role of proton scavengers. [...]
2020 - 10.1103/PhysRevMaterials.4.035401
Physical review materials, Vol. 4, Issue 3 (March 2020) , art. 35401
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3.
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7 p, 3.1 MB |
Nonstoichiometry driven ferromagnetism in double perovskite La2Ni1-xMn1+ xO6 insulating thin films
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Bernal Salamanca, Mónica Emperatriz (Institut de Ciència de Materials de Barcelona) ;
Konstantinovic, Zorica (University of Belgrade. Center for Solid State Physics and New Materials) ;
Balcells Argemí, Lluís (Institut de Ciència de Materials de Barcelona) ;
Pannunzio-Miner, Elisa (Institut de Ciència de Materials de Barcelona) ;
Sandiumenge Ortiz, Felip (Institut de Ciència de Materials de Barcelona) ;
Lopez-Mir, Laura (Institut de Ciència de Materials de Barcelona) ;
Bozzo, Bernat (Institut de Ciència de Materials de Barcelona) ;
Herrero-Martín, Javier (ALBA Laboratori de Llum de Sincrotró) ;
Pomar, Alberto (Institut de Ciència de Materials de Barcelona) ;
Frontera, Carlos (Institut de Ciència de Materials de Barcelona) ;
Martínez, Benjamín (Institut de Ciència de Materials de Barcelona)
In this work we report on the epitaxial growth of LaNiMnO double perovskite thin films on top of (001) oriented SrTiO substrates by RF magnetron sputtering. The influence of oxygen pressure (P O) and growth temperature on the microstructure, stoichiometry of the films, and magnetic and transport properties is thoroughly investigated. [...]
2019 - 10.1021/acs.cgd.8b01897
Crystal Growth and Design, Vol. 19, issue 5 (May 2019) , p. 2765-2771
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4.
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12 p, 1.6 MB |
Spin Proximity Effects in Graphene/Topological Insulator Heterostructures
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Song, Kenan (Institut Català de Nanociència i Nanotecnologia) ;
Soriano, David (QuantaLab and International Iberian Nanotechnology Laboratory) ;
Cummings, Aron (Institut Català de Nanociència i Nanotecnologia) ;
Robles, Roberto (Institut Català de Nanociència i Nanotecnologia) ;
Ordejon, Pablo (Institut Català de Nanociència i Nanotecnologia) ;
Roche, Stephan (Institut Català de Nanociència i Nanotecnologia)
Enhancing the spin-orbit interaction in graphene, via proximity effects with topological insulators, could create a novel 2D system that combines nontrivial spin textures with high electron mobility. [...]
2018 - 10.1021/acs.nanolett.7b05482
Nano letters, Vol. 18, Issue 3 (March 2018) , p. 2033-2039
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5.
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22 p, 880.5 KB |
Puzzling robust 2D metallic conductivity in undoped β-Ga2O3 thin films
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Chikoidze, Ekaterine (Université de Versailles Saint Quentin en Yvelines - CNRS) ;
Rogers, David J. (Nanovation) ;
Teherani, Féréchteh Hosseini (Nanovation) ;
Rubio Lorente, Carles (Institut Català de Nanociència i Nanotecnologia) ;
Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ;
Von Bardeleben, Hans Jürgen (Institut des Nanosciences de Paris) ;
Tchelidze, Tamar (Ivane Javakhishvili Tbilisi State University. Department of Physics) ;
Ton-That, C. (University of Technology Sydney) ;
Fellous, Adel (Université de Versailles Saint Quentin en Yvelines - CNRS) ;
Bove, Philippe (Nanovation) ;
Sandana, Éric V. (Nanovation) ;
Dumont, Yves (Université de Versailles Saint Quentin en Yvelines - CNRS) ;
Perez-Tomas, Amador (Institut Català de Nanociència i Nanotecnologia)
Here, we report the analogy of an extremely stable topological-like ultra-wide bandgap insulator, a solid that is a pure insulator in its bulk but has a metallic conductive surface, presenting a two-dimensional conductive channel at its surface that challenges our current thinking about semiconductor conductivity engineering. [...]
2019 - 10.1016/j.mtphys.2018.11.006
Materials today physics, Vol. 8 (March 2019) , p. 10-17
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6.
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10 p, 816.7 KB |
Ligand-mediated band engineering in bottom-up assembled SnTe nanocomposites for thermoelectric energy conversion
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Ibáñez, Maria (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ;
Hasler, Roger (Empa-Swiss Federal Laboratories for Materials Science and Technology) ;
Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ;
Liu, Yu (Institute of Science and Technology Austria) ;
Kuster, Beatrice (Empa-Swiss Federal Laboratories for Materials Science and Technology) ;
Schuster, Maximilian (ETH Zürich. Department of Chemistry and Applied Biosciences) ;
Dobrozhan, Oleksandr (Institut de Recerca en Energia de Catalunya) ;
Cadavid, Doris (Institut de Recerca en Energia de Catalunya) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Cabot, Andreu (Institut de Recerca en Energia de Catalunya) ;
Kovalenko, Maksym V. (ETH Zürich. Department of Chemistry and Applied Biosciences)
The bottom-up assembly of colloidal nanocrystals is a versatile methodology to produce composite nanomaterials with precisely tuned electronic properties. Beyond the synthetic control over crystal domain size, shape, crystal phase, and composition, solution-processed nanocrystals allow exquisite surface engineering. [...]
2019 - 10.1021/jacs.9b01394
Journal of the American Chemical Society, Vol. 141, Issue 20 (May 2019) , p. 8025-8029
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7.
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8 p, 2.2 MB |
Tunneling anisotropic magnetoresistance in La2/3Sr1/3MnO3/LaAlO3/Pt tunnel junctions
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Galceran, Regina (Institut de Ciència de Materials de Barcelona) ;
Balcells Argemí, Lluís (Institut de Ciència de Materials de Barcelona) ;
Pomar, Alberto (Institut de Ciència de Materials de Barcelona) ;
Konstantinovic, Zorica (University of Belgrade. Center for Solid State Physics and New Materials) ;
Bagués Salgueró, Núria (Institut Català de Nanociència i Nanotecnologia) ;
Sandiumenge Ortiz, Felip (Institut de Ciència de Materials de Barcelona) ;
Martínez, Benjamín (Institut de Ciència de Materials de Barcelona)
The magnetotransport properties of La2/3 Sr1/3 MnO3 (LSMO)/ LaAlO3 (LAO)/Pt tunneling junctions have been analyzed as a function of temperature and magnetic field. The junctions exhibit magnetoresistance (MR) values of about 37%, at H=90 kOe at low temperature. [...]
2016 - 10.1063/1.4946851
AIP advances, Vol. 6, Issue 4 (April 2016) , art. 045305
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8.
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15 p, 9.5 MB |
Addressing the Environment Electrostatic Effect on Ballistic Electron Transport in Large Systems : A QM/MM-NEGF Approach
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Feliciano, Gustavo T. (Universidade Estadual Paulista (Brasil)) ;
Sanz Navarro, Carlos (Institut Català de Nanociència i Nanotecnologia) ;
Coutinho-Neto, Mauricio Domingues (Universidade Federal do ABC (Brasil)) ;
Ordejon, Pablo (Institut Català de Nanociència i Nanotecnologia) ;
Scheicher, Ralph H. (Uppsala University) ;
Reily Rocha, Alexandre (Universidade Estadual Paulista (Brasil))
The effects of the environment in nanoscopic materials can play a crucial role in device design. Particularly in biosensors, where the system is usually embedded in a solution, water and ions have to be taken into consideration in atomistic simulations of electronic transport for a realistic description of the system. [...]
2018 - 10.1021/acs.jpcb.7b03475
Journal of physical chemistry B, Vol. 122, Núm. 2 (January 2018) , p. 485-492
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9.
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8 p, 3.3 MB |
Thermoelectric properties of semiconductor-metal composites produced by particle blending
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Liu, Yu (Institut de Recerca en Energia de Catalunya) ;
Cadavid, Doris (Institut de Recerca en Energia de Catalunya) ;
Ibáñez, Maria (Empa-Swiss Federal Laboratories for Materials Science and Technology) ;
Ortega, Silvia (Institut de Recerca en Energia de Catalunya) ;
Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ;
Dobrozhan, Oleksandr (Institut de Recerca en Energia de Catalunya) ;
Kovalenko, Maksym V. (Institute of Inorganic Chemistry (Bratislava, Eslovàquia)) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
In the quest for more efficient thermoelectric material able to convert thermal to electrical energy and vice versa, composites that combine a semiconductor host having a large Seebeck coefficient with metal nanodomains that provide phonon scattering and free charge carriers are particularly appealing. [...]
2016 - 10.1063/1.4961679
APL materials, Vol. 4, Núm. 10 (January 2016) , p. 104813
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10.
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10 p, 3.6 MB |
Nanostructured graphene for spintronics
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Gregersen, Søren Schou (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ;
Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ;
Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene)
Zigzag edges of the honeycomb structure of graphene exhibit magnetic polarization, making them attractive as building blocks for spintronic devices. Here, we show that devices with zigzag-edged triangular antidots perform essential spintronic functionalities, such as spatial spin splitting or spin filtering of unpolarized incoming currents. [...]
2017 - 10.1103/PhysRevB.95.121406
Physical review B, Vol. 95, issue 12 (March 2017) , art. 121406
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