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1.
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11 p, 2.5 MB |
Crossover from individual to collective magnetism in dense nanoparticle systems : local anisotropy versus dipolar interactions
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Sánchez, Elena H. (Universidad de Castilla-La Mancha. Instituto Regional de Investigacion Cientifica Aplicada) ;
Vasilakaki, Marianna (Institute of Nanoscience and Nanotechnology (Atenes, Grècia)) ;
Lee, Su Seong (Institute of Materials Research and Engineering. NanoBio Lab) ;
Normile, Peter S. (Universidad de Castilla-La Mancha. Departamento de Física Aplicada) ;
Andersson, Mikael S. (Uppsala University. Department of Chemistry) ;
Mathieu, Roland (Uppsala University. Department of Materials Science and Engineering) ;
López-Ortega, Alberto (Universidad de Castilla-La Mancha. Departamento de Física Aplicada) ;
Pichon, Benoit P. (Institut de Physique et Chimie des Matériaux de Strasbourg) ;
Peddis, Davide (Universita degli Studi di Genova. Dipartimento di Chimica e Chimica Industriale) ;
Binns, Chris (Universidad de Castilla-La Mancha. Departamento de Física Aplicada) ;
Nordblad, Per (Uppsala University. Department of Materials Science and Engineering) ;
Trohidou, Kalliopi (Institute of Nanoscience and Nanotechnology (Atenes, Grècia)) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
De Toro, José A. (Universidad de Castilla-La Mancha. Departamento de Física Aplicada)
Dense systems of magnetic nanoparticles may exhibit dipolar collective behavior. However, two fundamental questions remain unsolved: i) whether the transition temperature may be affected by the particle anisotropy or it is essentially determined by the intensity of the interparticle dipolar interactions, and ii) what is the minimum ratio of dipole-dipole interaction (E) to nanoparticle anisotropy (KV, anisotropy⋅volume) energies necessary to crossover from individual to collective behavior. [...]
2022 -  10.1002/smll.202106762
Small, Vol. 18, issue 28 (July 2022) , art. 2106762
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2.
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11 p, 1.7 MB |
Regional grey matter microstructural changes and volume loss according to disease duration in multiple sclerosis patients
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Solana, E. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Martinez-Heras, E. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Montal, Victor (Institut d'Investigació Biomèdica Sant Pau) ;
Vilaplana, E. (Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas) ;
Lopez-Soley, E. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Radua, J. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Montejo, C. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Blanco, Yolanda (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Pulido-Valdeolivas, I. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Sepúlveda, M. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Andorra, M. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Berenguer, Juan (Hospital Clínic i Provincial de Barcelona) ;
Villoslada, P. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Martinez-Lapiscina, E.H. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Prados, F. (NMR Research Unit. Queen Square MS Centre. Department of Neuroinflammation. UCL Institute of Neurology. University College London) ;
Saiz, A. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Fortea, Juan (Institut d'Investigació Biomèdica Sant Pau) ;
Llufriu, S. (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ;
Universitat Autònoma de Barcelona
The spatio-temporal characteristics of grey matter (GM) impairment in multiple sclerosis (MS) are poorly understood. We used a new surface-based diffusion MRI processing tool to investigate regional modifications of microstructure, and we quantified volume loss in GM in a cohort of patients with MS classified into three groups according to disease duration. [...]
2021 - 10.1038/s41598-021-96132-x
Scientific reports, Vol. 11 Núm. 1 (december 2021) , p. 16805
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3.
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8 p, 3.6 MB |
Anisotropic thermal conductivity of crystalline layered SnSe2
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Xiao, Peng (Universitat Autònoma de Barcelona. Departament de Física) ;
Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Chaitoglou, Stefanos (National Center for Scientific Research Demokritos) ;
Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ;
Dimoulas, Athanasios (National Center for Scientific Research Demokritos) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Sachat, Alexandros el (Institut Català de Nanociència i Nanotecnologia)
The degree of thermal anisotropy affects critically key device-relevant properties of layered two-dimensional materials. Here, we systematically study the in-plane and cross-plane thermal conductivity of crystalline SnSe2 films of varying thickness (16-190 nm) and uncover a thickness-independent thermal conductivity anisotropy ratio of about ∼8. [...]
2021 - 10.1021/acs.nanolett.1c03018
Nano letters, Vol. 21, issue 21 (Nov. 2021) , p. 9172-9179
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4.
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11 p, 1.8 MB |
Tuning the magnetic anisotropy of lanthanides on a metal substrate by metal-organic coordination
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Parreiras, Sofia de Oliveira (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Moreno, Daniel (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Cirera, Borja (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Valbuena, Miguel Ángel (Institut Català de Nanociència i Nanotecnologia) ;
Urgel, José I. (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Paradinas Aranjuelo, Marcos (Institut Català de Nanociència i Nanotecnologia) ;
Panighel, Mirco (Institut Català de Nanociència i Nanotecnologia) ;
Ajejas, Fernando (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Niño, Miguel A. (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Gallego, José Maria (Instituto de Ciencia de Materiales de Madrid) ;
Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ;
Gargiani, Pierluigi (ALBA Laboratori de Llum de Sincrotró) ;
Kuch, Wolfgang (Freie Universität Berlin. Institut für Experimentalphysik) ;
Martínez, José I. (Instituto de Ciencia de Materiales de Madrid) ;
Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ;
Camarero, Julio (Universidad Autónoma de Madrid. Departamento de Física de la Materia Condensada) ;
Miranda, Rodolfo (Universidad Autónoma de Madrid. Departamento de Física de la Materia Condensada) ;
Perna, Paolo (Instituto Madrileño de Estudios Avanzados en Nanociencia) ;
Écija, David (Instituto Madrileño de Estudios Avanzados en Nanociencia)
Taming the magnetic anisotropy of lanthanides through coordination environments is crucial to take advantage of the lanthanides properties in thermally robust nanomaterials. In this work, the electronic and magnetic properties of Dy-carboxylate metal-organic networks on Cu(111) based on an eightfold coordination between Dy and ditopic linkers are inspected. [...]
2021 - 10.1002/smll.202102753
Small, Vol. 17, issue 35 (Sep. 2021) , art. 2102753
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12 p, 2.5 MB |
Structural and magnetic phase diagram of epitaxial La0.7Sr0.3MnO3 from first principles
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Pilo, Jorge (Institut Català de Nanociència i Nanotecnologia) ;
Pruneda, Miguel (Institut Català de Nanociència i Nanotecnologia) ;
Bristowe, Nicholas (Durham University. Centre for Materials Physics)
ABO3 perovskites host a huge range of symmetry lowering structural distortions, each of which can tune, or even switch on or off, different functional properties due to the strong coupling between the lattice, spin and charge degrees of freedom in these materials. [...]
2021 - 10.1088/2516-1075/abe6af
Electronic Structure, Vol. 3, issue 2 (June 2021) , art. 24001
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7.
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14 p, 9.8 MB |
Highly Aligned Bacterial Nanocellulose Films Obtained During Static Biosynthesis in a Reproducible and Straightforward Approach
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Murugarren, Nerea (Institut de Ciència de Materials de Barcelona) ;
Roig-Sanchez, Soledad (Institut de Ciència de Materials de Barcelona) ;
Anton-Sales, Irene (Institut de Ciència de Materials de Barcelona) ;
Malandain, Nanthilde (Institut de Ciència de Materials de Barcelona) ;
Xu, Kai (Institut de Ciència de Materials de Barcelona) ;
Solano, Eduardo (ALBA Laboratori de Llum de Sincrotró) ;
Reparaz, Juan Sebastian (Institut de Ciència de Materials de Barcelona) ;
Laromaine, Anna (Institut de Ciència de Materials de Barcelona)
Bacterial nanocellulose (BNC) is usually produced as randomly-organized highly pure cellulose nanofibers films. Its high water-holding capacity, porosity, mechanical strength, and biocompatibility make it unique. [...]
2022 - 10.1002/advs.202201947
Advanced science, Vol. 9, Issue 26 (September 2022) , art. 2201947
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8.
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11 p, 11.4 MB |
A comparative study of the influence of the deposition technique (electrodeposition versus sputtering) on the properties of nanostructured Fe70 Pd30 films
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Cialone, Matteo (Istituto Nazionale di Ricerca Metrologica) ;
Fernandez-Barcia, Monica (IFW Dresden. Institute for Complex Materials) ;
Celegato, Federica (Istituto Nazionale di Ricerca Metrologica) ;
Coisson, Marco (Istituto Nazionale di Ricerca Metrologica) ;
Barrera, Gabriele (Istituto Nazionale di Ricerca Metrologica) ;
Uhlemann, Margitta (IFW Dresden. Institute for Complex Materials) ;
Gebert, Annett (IFW Dresden. Institute for Complex Materials) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Rizzi, Paola (Università di Torino. Dipartimento di Chimica) ;
Tiberto, Paola (Istituto Nazionale di Ricerca Metrologica)
Sputtering and electrodeposition are among the most widespread techniques for metallic thin film deposition. Since these techniques operate under different principles, the resulting films typically show different microstructures even when the chemical composition is kept fixed. [...]
2020 - 10.1080/14686996.2020.1780097
Science and Technology of Advanced Materials, Vol. 21, Issue 1 (July 2020) , p. 424-434
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9.
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24 p, 2.2 MB |
Thermal conductivity of benzothieno-benzothiophene derivatives at the nanoscale
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Gueye, Magatte Niang (Centre national de la recherche scientifique (França). Institute for Electronics Microelectronics and Nanotechnology) ;
Vercouter, Alexandre (University of Mons. Laboratory for Chemistry of Novel Materials) ;
Jouclas, Rémy (Université Libre de Bruxelles. Laboratoire de Chimie des Polymères) ;
Guerin, David (Centre national de la recherche scientifique (França). Institute for Electronics Microelectronics and Nanotechnology) ;
Lemaur, Vincent (University of Mons. Laboratory for Chemistry of Novel Materials) ;
Schweicher, Guillaume (Université Libre de Bruxelles. Laboratoire de Chimie des Polymères) ;
Lenfant, Stephane (Centre national de la recherche scientifique (França). Institute for Electronics Microelectronics and Nanotechnology) ;
Antidormi, Aleandro (Institut Català de Nanociència i Nanotecnologia) ;
Geerts, Yves Henri (International Solvay Institutes for Physics and Chemistry (Brusel·les, Bèlgica)) ;
Melis, Claudio (Universita di Cagliari. Dipartimento di Fisica) ;
Cornil, Jerome (University of Mons. Laboratory for Chemistry of Novel Materials) ;
Vuillaume, Dominique (Centre national de la recherche scientifique (França). Institute for Electronics Microelectronics and Nanotechnology)
We study by scanning thermal microscopy the nanoscale thermal conductance of films (40-400 nm thick) of [1]benzothieno[3,2-b][1]benzothiophene (BTBT) and 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT-C8). [...]
2021 - 10.1039/d0nr08619c
Nanoscale, Vol. 13, issue 6 (Feb. 2021) , p. 3800-3807
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10.
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64 p, 2.9 MB |
Simultaneous individual and dipolar collective properties in binary assemblies of magnetic nanoparticles
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Sánchez, Elena H. (Universidad de Castilla-La Mancha. Instituto Regional de Investigacion Cientifica Aplicada) ;
Vasilakaki, Marianna (Institute of Nanoscience and Nanotechnology (Atenes, Grècia)) ;
Lee, Su Seong (Institute of Bioengineering and Nanotechnology (Singapore)) ;
Normile, Peter S. (Universidad de Castilla-La Mancha. Departamento de Física Aplicada) ;
Muscas, Giuseppe (Universita degli Studi di Cagliari. Dipartimento di Fisica) ;
Murgia, Massimiliano (Universidad de Castilla-La Mancha. Departamento de Física Aplicada) ;
Andersson, Mikael S. (Uppsala University. Department of Engineering Sciences) ;
Singh, Gurvinder (University of Sydney. School of Aerospace, Mechanical and Mechatronic Engineering) ;
Mathieu, Roland (Uppsala University. Department of Engineering Sciences) ;
Nordblad, Per (Uppsala University. Department of Engineering Sciences) ;
Ricci, Pier Carlo (Universita degli Studi di Cagliari. Dipartimento di Fisica) ;
Peddis, Davide (Universita degli Studi di Genova. Dipartimento di Chimica e Chimica Industriale) ;
Trohidou, Kalliopi N. (Institute of Nanoscience and Nanotechnology (Atenes, Grècia)) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
De Toro, José A. (Universidad de Castilla-La Mancha. Departamento de Física Aplicada)
Applications based on aggregates of magnetic nanoparticles are becoming increasingly widespread, ranging from hyperthermia to magnetic recording. However, although some uses require collective behavior, others need a more individual-like response, the conditions leading to either of these behaviors are still poorly understood. [...]
2020 - 10.1021/acs.chemmater.9b03268
Chemistry of materials, Vol. 32, issue 3 (Feb. 2020) , p. 969-981
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