UAB Digital Repository of Documents 37 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
1.
19 p, 2.2 MB Understanding the bias dependence of low frequency noise in single layer graphene FETs / Mavredakis, Nikolaos (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Garcia Cortadella, Ramon (Institut Català de Nanociència i Nanotecnologia) ; Bonaccini Calia, Andrea (Institut Català de Nanociència i Nanotecnologia) ; Garrido Ariza, José A. (Institut Català de Nanociència i Nanotecnologia) ; Jiménez, David 1970- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
This letter investigates the bias-dependent low frequency noise of single layer graphene field-effect transistors. Noise measurements have been conducted with electrolyte-gated graphene transistors covering a wide range of gate and drain bias conditions for different channel lengths. [...]
2018 - 10.1039/c8nr04939d
Nanoscale, Vol. 10, Issue 31 (August 2018) , p. 14947-14956  
2.
7 p, 2.1 MB Enhanced thermoelectric properties of lightly Nb doped SrTiO3 thin films / Bhansali, Sweta (Institut Català de Nanociència i Nanotecnologia) ; Khunsin, Worawut (Institut Català de Nanociència i Nanotecnologia) ; Chatterjee, Arindom (Institut Català de Nanociència i Nanotecnologia) ; Santiso, José (Institut Català de Nanociència i Nanotecnologia) ; Abad, B. (Instituto de Microelectrónica de Madrid) ; Martín González, Marisol (Instituto de Microelectrónica de Madrid) ; Jakob, G. (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia)
Novel thermoelectric materials developed for operation at room temperature must have similar or better performance along with being as ecofriendly as those commercially used, e. g. , BiTe, in terms of their toxicity and cost. [...]
2019 - 10.1039/c9na00361d
Nanoscale advances, Vol. 1, Issue 9 (September 2019) , p. 3647-3653  
3.
33 p, 2.2 MB Engineering surface states of hematite based photoanodes for boosting photoelectrochemical water splitting / Tang, PengYi (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia)
Hematite-based photoanodes are promising candidates for photoelectrochemical water splitting. However, the performance of pristine hematite semiconductors is unsatisfactory due to charge recombination occurring at different interfaces: Back contact, bulk and semiconductor/electrolyte interfaces. [...]
2019 - 10.1039/c9nh00368a
Nanoscale horizons, Vol. 4, Issue 6 (November 2019) , p. 1256-1276  
4.
Subamorphous thermal conductivity of crystalline half-Heusler superlattices / Chávez Ángel, Emigdio (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Reuter, N. (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Komar, P. (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Heinz, S. (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Kolb, U. (Johannes Gutenberg-Universität Mainz. Institut für anorganische und analytische Chemie) ; Kleebe, H.J. (Technische Universität Darmstadt. Institut für Angewandte Geowissenschaften) ; Jakob, G. (Johannes Gutenberg-Universität Mainz. Institut für Physik)
The quest to improve the thermoelectric figure of merit has mainly followed the roadmap of lowering the thermal conductivity while keeping unaltered the power factor of the material. Ideally an electron-crystal phonon-glass system is desired. [...]
2019 - 10.1080/15567265.2018.1505987
Nanoscale and microscale thermophysical engineering, Vol. 23, issue 1 (August 2019) , p. 1-9  
5.
20 p, 7.8 MB Nanowire forest of pnictogen-chalcogenide alloys for thermoelectricity / Singhal, Dhruv (Université Grenoble Alpes) ; Paterson, Jessy (Université Grenoble Alpes) ; Ben-Khedim, Meriam (Technology RandD. STMicroelectronics) ; Tainoff, Dimitri (Université Grenoble Alpes) ; Cagnon, Laurent (Université Grenoble Alpes) ; Richard, Jacques (Université Grenoble Alpes) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ; Jaramillo Fernández, Juliana (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Lacroix, David (Université de Lorraine. Centre national de la recherche scientifique) ; Bourgault, Daniel (Université Grenoble Alpes) ; Buttard, Denis (Université Grenoble Alpes) ; Bourgeois, Olivier (Université Grenoble Alpes)
Pnictogen and chalcogenide compounds have been seen as high-potential materials for efficient thermoelectric conversion over the past few decades. It is also known that with nanostructuration, the physical properties of these pnictogen-chalcogenide compounds can be further enhanced towards a more efficient heat conversion. [...]
2019 - 10.1039/c9nr01566c
Nanoscale, Vol. 11, Issue 28 (July 2019) , p. 13423-13430  
6.
22 p, 2.5 MB Optimizing the yield of A-polar GaAs nanowires to achieve defect-free zinc blende structure and enhanced optical functionality / Zamani, Mahdi (École Polytechnique Fédérale de Lausanne) ; Tütüncüoglu, Gözde (École Polytechnique Fédérale de Lausanne) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Francaviglia, Luca (École Polytechnique Fédérale de Lausanne) ; Güniat, Lucas (École Polytechnique Fédérale de Lausanne) ; Ghisalberti, Lea (École Polytechnique Fédérale de Lausanne) ; Potts, Heidi A. (École Polytechnique Fédérale de Lausanne) ; Friedl, Martin (École Polytechnique Fédérale de Lausanne) ; Markov, Edoardo. (École Polytechnique Fédérale de Lausanne) ; Kim, Wonjong (École Polytechnique Fédérale de Lausanne) ; Leran, Jean-Baptiste (École Polytechnique Fédérale de Lausanne) ; Dubrovskii, Vladimir G. (ITMO University) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Fontcuberta i Morral, Anna (École Polytechnique Fédérale de Lausanne)
Compound semiconductors exhibit an intrinsic polarity, as a consequence of the ionicity of their bonds. Nanowires grow mostly along the (111) direction for energetic reasons. Arsenide and phosphide nanowires grow along (111)B, implying a group V termination of the (111) bilayers. [...]
2018 - 10.1039/c8nr05787g
Nanoscale, Vol. 10, Issue 36 (September 2018) , p. 17080-17091  
7.
30 p, 2.6 MB Novel Ba-hexaferrite structural variations stabilized on the nanoscale as building blocks for epitaxial bi-magnetic hard/soft sandwiched maghemite/hexaferrite/maghemite nanoplatelets with out-of-plane easy axis and enhanced magnetization / Belec, B. (Jožef Stefan International Postgraduate School) ; Dražić, G. (National Institute of Chemistry. Department for Materials Chemistry) ; Gyergyek, Sašo (Jožef Stefan Institute. Department for Materials Synthesis) ; Podmiljšak, B. (Jožef Stefan Institute. Department for Nanostructured Materials) ; Goršak, T. (Jožef Stefan International Postgraduate School) ; Komelj, M. (Jožef Stefan Institute. Department for Nanostructured Materials) ; Nogués i Sanmiquel, Josep (Institut Català de Nanociència i Nanotecnologia) ; Makovec, D. (Jožef Stefan International Postgraduate School)
Atomic-resolution scanning-transmission electron microscopy showed that barium hexaferrite (BHF) nanoplatelets display a distinct structure, which represents a novel structural variation of hexaferrites stabilized on the nanoscale. [...]
2017 - 10.1039/c7nr05894b
Nanoscale, Vol. 9, Issue 44 (November 2017) , p. 17551-17560  
8.
9 p, 2.9 MB Optical emission of GaN/AlN quantum-wires-the role of charge transfer from a nanowire template / Müßener, Jan (Universität Bremen. Institut für Festkörperphysik) ; Greif, Ludwig A. Th. (Technische Universität Berlin. Institut für Festkörperphysik) ; Kalinowski, Stefan (Technische Universität Berlin. Institut für Festkörperphysik) ; Callsen, Gordon (Technische Universität Berlin. Institut für Festkörperphysik) ; Hille, Pascal (Universität Bremen. Institut für Festkörperphysik) ; Schörmann, Jörg (Justus-Liebig-Universität Gießen. I. Physikalisches Institut und Zentrum für Materialforschung) ; Wagner, Markus R. (Technische Universität Berlin. Institut für Festkörperphysik) ; Schliwa, Andrei (Technische Universität Berlin. Institut für Festkörperphysik) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Hoffmann, Axel (Technische Universität Berlin. Institut für Festkörperphysik) ; Eickhoff, Martin (Universität Bremen. Institut für Festkörperphysik)
We show that one-dimensional (1d) GaN quantum-wires (QWRs) exhibit intense and spectrally sharp emission lines. These QWRs are realized in an entirely self-assembled growth process by molecular beam epitaxy (MBE) on the side facets of GaN/AlN nanowire (NW) heterostructures. [...]
2018 - 10.1039/c7nr08057c
Nanoscale, Issue 10 (2018) , p. 5591-5598  
9.
8 p, 953.2 KB One-pot electrosynthesis of multi-layered magnetic metallopolymer nanocomposites / Özkale, Berna (Institute of Robotics and Intelligent Systems (Zurich, Suïssa)) ; Pellicer Vilà, Eva M. (Eva Maria) (Universitat Autònoma de Barcelona. Departament de Física) ; Zeeshan, M. Arif (Institute of Robotics and Intelligent Systems) ; López-Barbera, José Francisco (Institut Català de Nanociència i Nanotecnologia) ; Nogués i Sanmiquel, Josep (Institut Català de Nanociència i Nanotecnologia) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Nelson, Bradley J. (ETH Zurich. Multi-Scale Robotics Laboratory) ; Pané i Vidal, Salvador (Institute of Robotics and Intelligent Systems (Zurich, Suïssa))
Researchers have been investigating various methodologies for fabricating well-defined, homogenous composites consisting of nanoparticles (NPs) dispersed in a matrix. The main challenges are to prevent particle agglomerations during fabrication and to obtain nanoparticles whose size distribution could be tuned on demand. [...]
2014 - 10.1039/C3NR06131K
Nanoscale, Vol. 6 (2014) , p. 4683-4690  
10.
20 p, 1.8 MB The Mendeleev-Meyer force project / Santos, Sergio (Future Synthesis. Adderbury Banbury) ; Lai, Chia-Yun (Masdar Institute of Science and Technology. Institute Center for Future Energy. Laboratory for Energy and NanoScience) ; Amadei, Carlo A. (Harvard University. John A. Paulson School of Engineering and Applied Sciences) ; Gadelrab, Karim R. (Massachusetts Institute of Technology. Department of Materials Science and Engineering) ; Tang, Tzu-Chieh (Massachusetts Institute of Technology. Department of Materials Science and Engineering) ; Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ; Barcons, Victor (Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics) ; Font, Josep (Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics) ; Colchero, Jaime (Universidad de Murcia. Instituto de Óptica y Nanociencia) ; Chiesa, Matteo (Masdar Institute of Science and Technology. Institute Center for Future Energy. Laboratory for Energy and NanoScience)
Here we present the Mendeleev-Meyer Force Project which aims at tabulating all materials and substances in a fashion similar to the periodic table. The goal is to group and tabulate substances using nanoscale force footprints rather than atomic number or electronic configuration as in the periodic table. [...]
2016 - 10.1039/c6nr06094c
Nanoscale, Vol. 8, Issue 40 (October 2016) , p. 17400-17406  

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