Resultats globals: 8 registres trobats en 0.02 segons.
Articles, 8 registres trobats
Articles 8 registres trobats  
1.
9 p, 2.7 MB Tuning Thermal Transport in Ultrathin Silicon Membranes by Surface Nanoscale Engineering / Neogi, Sanghamitra (Max Planck Institute for Polymer Research) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Pereira, Luiz Felipe C. (Universidade Federal Do Rio Grande Do Norte. Departamento de Fisica Teorica e Experimental) ; Graczykowski, Bartlomiej (Institut Català de Nanociència i Nanotecnologia) ; Wagner, Markus R. (Institut Català de Nanociència i Nanotecnologia) ; Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ; Shchepetov, Andrey (VTT Technical Research Centre of Finland) ; Prunnila, Mika (VTT Technical Research Centre of Finland) ; Ahopelto, Jouni (VTT Technical Research Centre of Finland) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Donadio, Davide (Max Planck Institute for Polymer Research)
A detailed understanding of the connections of fabrication and processing to structural and thermal properties of low-dimensional nanostructures is essential to design materials and devices for phononics, nanoscale thermal management, and thermoelectric applications. [...]
2015 - 10.1021/nn506792d
ACS Nano, Vol. 9, Issue 4 (April 2015) , p. 3820-3828  
2.
14 p, 3.6 MB Nanoparticle shape anisotropy and photoluminescence properties : Europium containing ZnO as a model case / Gerigk, Melanie (University of Konstanz) ; Ehrenreich, Philipp (University of Konstanz) ; Wagner, Markus R. (Institut Català de Nanociència i Nanotecnologia) ; Wimmer, Ilona (University of Konstanz) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Schmidt-Mende, Lukas (University of Konstanz) ; Polarz, Sebastian (University of Konstanz)
The precise control over electronic and optical properties of semiconductor (SC) materials is pivotal for a number of important applications like in optoelectronics, photocatalysis or in medicine. It is well known that the incorporation of heteroelements (doping as a classical case) is a powerful method for adjusting and enhancing the functionality of semiconductors. [...]
2015 - 10.1039/c5nr02550h
Nanoscale, Vol. 7, issue 40 (2015) , p. 16969-16982  
3.
9 p, 1.4 MB Thermal conductivity and air-mediated losses in periodic porous silicon membranes at high temperatures / Graczykowski, Bartlomiej (Institut Català de Nanociència i Nanotecnologia) ; Sachat, Alexandros el (Institut Català de Nanociència i Nanotecnologia) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia) ; Wagner, Markus R,. (Institut Català de Nanociència i Nanotecnologia) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ; Wu, Y. (Laboratoire d'Energetique Moleculaire et Macroscopique Combustion) ; Volz, Sebastian (University of Tokyo) ; Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia)
Heat conduction in silicon can be effectively engineered by means of sub-micrometre porous thin free-standing membranes. Tunable thermal properties make these structures good candidates for integrated heat management units such as waste heat recovery, rectification or efficient heat dissipation. [...]
2017 - 10.1038/s41467-017-00115-4
Nature communications, Vol. 8 (September 2017) , art. 415  
4.
8 p, 1.2 MB Localized thinning for strain concentration in suspended germanium membranes and optical method for precise thickness measurement / Vaccaro, Pablo Oscar (Institució Catalana de Recerca i Estudis Avançats (ICREA)) ; Alonso Carmona, Maria Isabel (Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)) ; Garriga, Miquel (Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)) ; Gutiérrez, Joffre (Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)) ; Peró, Damià (Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)) ; Wagner, Markus R,. (Institut Català de Nanociència i Nanotecnologia) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Vidal, Xavier (Macquarie University. Department of Physics and Astronomy) ; Carter, E.A. (University Sydney. School of Chemistry and Sydney Analytical) ; Lay, P.A. (University Sydney. School of Chemistry and Sydney Analytical) ; Yoshimoto, M. (Kyoto Institute of Technology. Department of Electronics) ; Goñi, Alejandro R. (Institut de Ciència de Materials de Barcelona (ICMAB-CSIC))
We deposited Ge layers on (001) Si substrates by molecular beam epitaxy and used them to fabricate suspended membranes with high uniaxial tensile strain. We demonstrate a CMOS-compatible fabrication strategy to increase strain concentration and to eliminate the Ge buffer layer near the Ge/Si hetero-interface deposited at low temperature. [...]
2018 - 10.1063/1.5050674
AIP advances, Vol. 8, issue 11 (November 2018) , art. 115131  
5.
20 p, 2.2 MB Nanophononics : State of the art and perspectives / Volz, Sebastian (Laboratoire d'Energétique Moléculaire et Macroscopique) ; Ordóñez Miranda, José (Laboratoire d'Energétique Moléculaire et Macroscopique) ; Shchepetov, Andrey (VTT Technical Research Centre of Finland) ; Prunnila, Mika (VTT Technical Research Centre of Finland) ; Ahopelto, Jouni (VTT Technical Research Centre of Finland) ; Pezeril, Thomas (Université du Maine) ; Vaudel, Gwenaelle (Université du Maine) ; Gusev, Vitaly (Université du Maine) ; Ruello, Pascal (Université du Maine) ; Weig, Eva M. (University of Konstanz. Department of Physics) ; Schubert, Martin (University of Konstanz. Department of Physics) ; Hettich, Mike (University of Konstanz. Department of Physics) ; Grossman, Martin (University of Konstanz. Department of Physics) ; Dekorsy, Thomas (University of Konstanz. Department of Physics) ; Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ; Graczykowski, Bartlomiej (Institut Català de Nanociència i Nanotecnologia) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Wagner, Markus R (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Xiong, Shiyun (Max Planck Institute for Polymer Research) ; Neogi, Sanghamitra (University of Colorado Boulder) ; Donadio, Davide (Donostia International Physics Center)
Understanding and controlling vibrations in condensed matter is emerging as an essential necessity both at fundamental level and for the development of a broad variety of technological applications. Intelligent design of the band structure and transport properties of phonons at the nanoscale and of their interactions with electrons and photons impact the efficiency of nanoelectronic systems and thermoelectric materials, permit the exploration of quantum phenomena with micro- and nanoscale resonators, and provide new tools for spectroscopy and imaging. [...]
2016 - 10.1140/epjb/e2015-60727-7
The European Physical Journal. B, Condensed Matter and Complex Systems, Vol. 89, Issue 1 (January 2016) , art. 15  
6.
7 p, 884.6 KB Reduction of the thermal conductivity in free-standing silicon nano-membranes investigated by non-invasive Raman thermometry / Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Gomis Bresco, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Wagner, Markus R (Institut Català de Nanociència i Nanotecnologia) ; Cuffe, John (Massachusetts Institute of Technology) ; Graczykowski, Bartlomiej (Institut Català de Nanociència i Nanotecnologia) ; Shchepetov, Andrey (VTT Technical Research Centre of Finland) ; Jiang, Hua (Aalto University School of Science) ; Prunnila, Mika (VTT Technical Research Centre of Finland) ; Ahopelto, Jouni (VTT Technical Research Centre of Finland) ; Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia)
We report on the reduction of the thermal conductivity in ultra-thin suspended Si membranes with high crystalline quality. A series of membranes with thicknesses ranging from 9 nm to 1. 5 μm was investigated using Raman thermometry, a novel contactless technique for thermal conductivity determination. [...]
2014 - 10.1063/1.4861796
APL Materials, Vol. 2, Issue 1 (January 2014) , art. 12113  
7.
11 p, 2.2 MB Thermal transport in epitaxial Si1-xGe x alloy nanowires with varying composition and morphology / Sachat, Alexandros el (Institut Català de Nanociència i Nanotecnologia) ; Reparaz, Juan Sebastián (Institut de Ciència de Materials de Barcelona) ; Spiece, J. (Lancaster University) ; Alonso Carmona, Maria Isabel (Institut de Ciència de Materials de Barcelona) ; Goñi, Alejandro R. (Institut de Ciència de Materials de Barcelona) ; Garriga, Miquel (Institut de Ciència de Materials de Barcelona) ; Vaccaro, Pablo Oscar (Institut de Ciència de Materials de Barcelona) ; Wagner, Markus R. (Institut Català de Nanociència i Nanotecnologia) ; Kolosov, O. V. (Lancaster University) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ; Universitat Autònoma de Barcelona. Departament de Física
We report on structural, compositional, and thermal characterization of self-assembled in-plane epitaxial SiGe alloy nanowires grown by molecular beam epitaxy on Si (001) substrates. The thermal properties were studied by means of scanning thermal microscopy (SThM), while the microstructural characteristics, the spatial distribution of the elemental composition of the alloy nanowires and the sample surface were investigated by transmission electron microscopy and energy dispersive x-ray microanalysis. [...]
2017 - 10.1088/1361-6528/aa9497
Nanotechnology, Vol. 28, Núm. 50 (December 2017) , art. 505704  
8.
12 p, 3.4 MB A single-source precursor route to anisotropic halogen-doped zinc oxide particles as a promising candidate for new transparent conducting oxide materials / Lehr, Daniela (University of Konstanz (German). Department of Chemistry) ; Wagner, Markus R (Institut Català de Nanociència i Nanotecnologia) ; Flock, Johanna (University of Konstanz (German). Department of Physics) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Klaiber, Alexander (University of Konstanz (German). Department of Chemistry) ; Dekorsy, Thomas (University of Konstanz (German). Department of Physics) ; Polarz, Sebastian (University of Konstanz (German). Department of Chemistry)
Numerous applications in optoelectronics require electrically conducting materials with high optical transparency over the entire visible light range. A solid solution of indium oxide and substantial amounts of tin oxide for electronic doping (ITO) is currently the most prominent example for the class of so-called TCOs (transparent conducting oxides). [...]
2015 - 10.3762/bjnano.6.222
Beilstein Journal of Nanotechnology, Vol. 6 (2015) , p. 2161-2172  

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