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21 p, 1.9 MB |
Thermal transport in nanoporous holey silicon membranes investigated with optically induced transient thermal gratings
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Duncan, Ryan A. (Massachusetts Institute of Technology. Department of Chemistry) ;
Romano, Giuseppe (Massachusetts Institute of Technology. Department of Mechanical Engineering) ;
Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ;
Maznev, Alexei A. (Massachusetts Institute of Technology. Department of Chemistry) ;
Péraud, Jean-Philippe M. (Lawrence Berkeley National Laboratory. Computational Research Division) ;
Hellman, Olle (California Institute of Technology. Department of Applied Physics and Materials Science) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Nelson, Keith A. (Massachusetts Institute of Technology. Department of Chemistry)
In this study, we use transient thermal gratings-a non-contact, laser-based thermal metrology technique with intrinsically high accuracy-to investigate room-temperature phonon-mediated thermal transport in two nanoporous holey silicon membranes with limiting dimensions of 120 nm and 250 nm, respectively. [...]
2020 -  10.1063/1.5141804
Journal of applied physics, Vol. 128, issue 23 (Dec. 2020) , art. 235106
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2.
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26 p, 4.2 MB |
Thermoreflectance techniques and Raman thermometry for thermal property characterization of nanostructures
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Sandell, Susanne (Norwegian University of Science and Technology. Department of Structural Engineering) ;
Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Sachat, Alexandros el (Institut Català de Nanociència i Nanotecnologia) ;
He, Jianying (Norwegian University of Science and Technology. Department of Structural Engineering) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Maire, Jeremie (Institut Català de Nanociència i Nanotecnologia)
The widespread use of nanostructures and nanomaterials has opened up a whole new realm of challenges in thermal management, but also leads to possibilities for energy conversion, storage, and generation, in addition to numerous other technological applications. [...]
2020 - 10.1063/5.0020239
Journal of applied physics, Vol. 128, issue 13 (Oct. 2020) , art. 131101
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3.
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30 p, 705.6 KB |
Nanoscale mapping of thermal and mechanical properties of bare and metal-covered self-assembled block copolymer thin films
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Sachat, Alexandros el (Institut Català de Nanociència i Nanotecnologia) ;
Spièce, Jean (Lancaster University. Physics Department) ;
Evangeli, Charalambos (Lancaster University. Physics Department) ;
Robson, Alexander James (Lancaster University. Physics Department) ;
Kreuzer, Martin (Institut Català de Nanociència i Nanotecnologia) ;
Rodríguez Laguna, María del Rocío (Institut Català de Nanociència i Nanotecnologia) ;
Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Kolosov, Oleg V. (Lancaster University. Physics Department) ;
Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia)
We report on the structural, mechanical, and thermal analysis of 40 nm thick polystyrene-block-poly(ethylene oxide) (PS-b-PEO) block copolymer (BCP) films coated with evaporated chromium layers of different thicknesses (1, 2, and 5 nm). [...]
2020 - 10.1021/acsapm.9b00924
ACS Applied Polymer Materials, Vol. 2, issue 2 (Feb. 2020) , p. 487-496
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4.
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11 p, 3.3 MB |
Properties of nanocrystalline silicon probed by optomechanics
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Navarro Urrios, Daniel (Institut Català de Nanociència i Nanotecnologia) ;
Colombano Sosa, Martin (Institut Català de Nanociència i Nanotecnologia) ;
Maire, Jeremie (Institut Català de Nanociència i Nanotecnologia) ;
Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Arregui Bravo, Guillermo (Universitat Autònoma de Barcelona. Departament de Física) ;
Capuj, Néstor E. (Universidad de La Laguna. Departamento de Física) ;
Devos, Arnaud (Centre national de la recherche scientifique (França). Institut d'Electronique, de Microélectronique et de Nanotechnologie) ;
Griol, Amadeu. (Universitat Politècnica de Valencia. Nanophotonics Technology Center) ;
Bellieres, Laurent (Universitat Politècnica de Valencia. Nanophotonics Technology Center) ;
Martínez, Alejandro (Universitat Politècnica de Valencia. Nanophotonics Technology Center) ;
Grigoras, Kestutis (VTT Technical Research Centre of Finland Ltd) ;
Häkkinen, Teija (VTT Technical Research Centre of Finland Ltd) ;
Saarilahti, Jaakko (VTT Technical Research Centre of Finland Ltd) ;
Makkonen, Tapani (VTT Technical Research Centre of Finland Ltd) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Ahopelto, Jouni (VTT Technical Research Centre of Finland Ltd)
Nanocrystalline materials exhibit properties that can differ substantially from those of their single crystal counterparts. As such, they provide ways to enhance and optimize their functionality for devices and applications. [...]
2020 - 10.1515/nanoph-2020-0489
Nanophotonics, Vol. 9, issue 16 (Nov. 2020) , p. 4819-4829
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5.
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9 p, 2.0 MB |
Injection locking in an optomechanical coherent phonon source
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Arregui Bravo, Guillermo (Universitat Autònoma de Barcelona. Departament de Física) ;
Colombano Sosa, Martin (Institut Català de Nanociència i Nanotecnologia) ;
Maire, Jeremie (Institut Català de Nanociència i Nanotecnologia) ;
Pitanti, Alessandro (Istituto di Nanoscienze and Scuola Normale Superiore (Pisa, Itàlia)) ;
Capuj, Nestor Eduardo (Universidad de La Laguna. Instituto Universitario de Materiales y Nanotecnología) ;
Griol, Amadeu. (Universitat Politècnica de Valencia. Nanophotonics Technology Center) ;
Martínez, Alejandro (Universitat Politècnica de Valencia. Nanophotonics Technology Center) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Navarro Urrios, Daniel (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica)
Spontaneous locking of the phase of a coherent phonon source to an external reference is demonstrated in a deeply sideband-unresolved optomechanical system. The high-amplitude mechanical oscillations are driven by the anharmonic modulation of the radiation pressure force that result from an absorption-mediated free-carrier/temperature limit cycle, i. [...]
2021 - 10.1515/nanoph-2020-0592
Nanophotonics, Vol. 10, Issue 4 (2021) , p. 1319-1327
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7.
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8 p, 2.0 MB |
High-temperature silicon thermal diode and switch
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Kasprzak, Maciej (Adam Mickiewicz University. Faculty of Physics) ;
Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ;
Zaleski, Karol (Adam Mickiewicz University. NanoBioMedical Centre (Poland)) ;
Iatsunskyi, Igor (Adam Mickiewicz University. NanoBioMedical Centre (Poland)) ;
Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ;
Volz, Sebastian (University of Tokyo. Institute of Industrial Science) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Graczykowski, Bartlomiej (Max Planck Institute for Polymer Research)
A thermal rectifier/diode is a nonreciprocal element or system that enables preferential heat transport in one direction. In this work we demonstrate a single-material thermal diode operating at high temperatures. [...]
2020 - 10.1016/j.nanoen.2020.105261
Nano Energy, Vol. 78 (Dec. 2020) , art. 105261
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8.
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10 p, 5.9 MB |
Simulations of micro-sphere/shell 2D silica photonic crystals for radiative cooling
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Whitworth, Guy L. (Institut Català de Nanociència i Nanotecnologia) ;
Jaramillo Fernández, Juliana (Institut Català de Nanociència i Nanotecnologia) ;
Pariente, Jose Angel (Instituto de Ciencia de Materiales de Madrid) ;
Garcia, Pedro David (Institut Català de Nanociència i Nanotecnologia) ;
Blanco, Alvaro (Instituto de Ciencia de Materiales de Madrid) ;
Lopez, Cefe (Instituto de Ciencia de Materiales de Madrid) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia)
Passive daytime radiative cooling has recently become an attractive approach to address the global energy demand associated with modern refrigeration technologies. One technique to increase the radiative cooling performance is to engineer the surface of a polar dielectric material to enhance its emittance atwavelengths in the atmospheric infrared transparency window (8-13 ìm) by outcoupling surface-phonon polaritons (SPhPs) into free-space. [...]
2021 - 10.1364/OE.420989
Optics express, Vol. 29, issue 11 (May 2021) , p. 16857-16866
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9.
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7 p, 1.7 MB |
Optomechanical crystals for spatial sensing of submicron sized particles
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Navarro Urrios, Daniel (Institut Català de Nanociència i Nanotecnologia) ;
Kang, E. (Max-Planck-Institut for Polymer research Mainz) ;
Xiao, Peng (Institut Català de Nanociència i Nanotecnologia) ;
Colombano Sosa, Martin (Institut Català de Nanociència i Nanotecnologia) ;
Arregui Bravo, Guillermo (Institut Català de Nanociència i Nanotecnologia) ;
Graczykowski, B. (Max-Planck-Institut for Polymer research Mainz) ;
Capuj, N.E. (Universidad de La Laguna. Instituto Universitario de Materiales y Nanotecnología) ;
Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Fytas, G. (Max-Planck-Institut for Polymer research Mainz)
Optomechanical crystal cavities (OMC) have rich perspectives for detecting and indirectly analysing biological particles, such as proteins, bacteria and viruses. In this work we demonstrate the working principle of OMCs operating under ambient conditions as a sensor of submicrometer particles by optically monitoring the frequency shift of thermally activated mechanical modes. [...]
2021 - 10.1038/s41598-021-87558-4
Scientific reports (Nature Publishing Group), Vol. 11 (2021) , art. 7829
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10.
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10 p, 4.6 MB |
Antibacterial activity testing methods for hydrophobic patterned surfaces
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Perez-Gavilan, Ana (Osakidetza-Servicio vasco de salud. Departamento de Microbiología) ;
Vieirra de Castro, Joana. (Universidad de Minho. Institute of Research in Biomaterials, Biomimetics and Biodegradables) ;
Arana, Ainara (Osakidetza-Servicio vasco de salud. Departamento de Microbiología) ;
Merino, Santos (Tekniker (Eibar, Espanya)) ;
Retolaza, Aritz (Tekniker (Eibar, Espanya)) ;
Alves, Sofia A. (Tekniker (Eibar, Espanya)) ;
Francone, Achille (Institut Català de Nanociència i Nanotecnologia) ;
Kehagias, Nikolaos (Institut Català de Nanociència i Nanotecnologia) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Cocina, Donato (Propagroup S.P.a. (Turí, Itàlia)) ;
Mortera, Renato (Propagroup S.P.a. (Turí, Itàlia)) ;
Crapanzano, Salvatore (Propagroup S.P.a. (Turí, Itàlia)) ;
Pelegrín, Carlos Javier (Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología) ;
Garrigos, María Carmen (Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología) ;
Jiménez, Alfonso (Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología) ;
Galindo, Begoña (AIMPLAS) ;
Araque, Mari Carmen (AIMPLAS) ;
Dykeman, Donna (Ansys Inc (Cambridge, Regne Unit)) ;
Neves, Nuno M. (Universidad de Minho. Institute of Research in Biomaterials, Biomimetics and Biodegradables) ;
Marimón, Jose Maria (Osakidetza-Servicio vasco de salud. Departamento de Microbiología)
One strategy to decrease the incidence of hospital-acquired infections is to avoid the survival of pathogens in the environment by the development of surfaces with antimicrobial activity. To study the antibacterial behaviour of active surfaces, different approaches have been developed of which ISO 22916 is the standard. [...]
2021 - 10.1038/s41598-021-85995-9
Scientific reports (Nature Publishing Group), Vol. 11, issue 1 (March 2021) , art. 6675
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