Exploració per tema "Silicon"
Ara es mostren els items 41-60 de 95
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Influence of Si substitution on the reactivity of a-tricalcium phosphate
(Elsevier, 2017-06-01)
Article
Accés obertSilicon substituted calcium phosphates have been widely studied over the last ten years due to their enhanced osteogenic properties. Notwithstanding, the role of silicon on a-TCP reactivity is not clear yet. Therefore, the ... -
Infrared thermal emission in macroporous silicon three-dimensional photonic crystals
(2007-10)
Article
Accés obertIn this paper we investigate the infrared thermal emission properties of macroporous silicon with modulated pore diameter. Samples with different pore modulation periodicities but fixed in-plane lattice constant are ... -
Investigation of Cathodoluminescence emission from Si and Au/Si nanostructures
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés obert
Realitzat a/amb: King's College LondonBoth high refractive index dielectric and plasmonic materials have proved being able to confine and direct light in the nanoscale. Thus, a complete investigation and comprehension of the plasmonic and optical excitation ... -
iRMW: A low-cost technique to reduce NBTI-dependent parametric failures in L1 data caches
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés obertNegative bias temperature instability (NBTI) is a major cause of concern for chip designers because of its inherent ability to drastically reduce silicon reliability over the lifetime of the processor. Coupled with statistical ... -
Larger absolute photonic bandgap in two-dimensional air-silicon structures
(2003-05)
Article
Accés restringit per política de l'editorialWe investigate different aspects of the absolute photonic band gap (PBG) formation for two-dimensional photonic crystals, consisting of air rods drilled into silicon. Specifically, square lattices of square and circular ... -
Latent heat thermophotovoltaic batteries
(2022-02)
Article
Accés obertLatent heat thermophotovoltaic (LHTPV) batteries store electricity as latent heat at very high temperatures (>1,000°C) and convert this heat back to electricity on demand using thermophotovoltaics (TPVs). In this study, ... -
Macroporous silicon FET transistors for power applications
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper we propose the use of macroporous silicon for microelectronic devices. We propose and study four different FET transistor structures using macroporous silicon as base material. Macroporous silicon is a ... -
Macroporous silicon micro-nano structures for direct conversion of energy from light into chemical energy
(Universitat Politècnica de Catalunya, 2021-07-05)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Macroporous silicon microreactor for the preferential oxidation of CO
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialA macroporous silicon micromonolith containing ca. 40,000 regular channels of 3.3 μm in diameter per square millimeter has been successfully functionalized with an Au/TiO2 catalyst for CO preferential oxidation (CO-PrOx) ... -
Macroporous silicon photonic crystals for gas sensing
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper we study a compact gas sensor based on a photonic crystal built from macroporous silicon. Its sensing mechanism is based in the absorption of infrared light by a gas. Photonic crystals are structured materials ... -
Macroporous silicon structures in 700 nm and 500 nm
(Editora ARTEMIS, 2023)
Capítol de llibre
Accés obertMacroporous Silicon is a structured material with which innovative optical and electrical characteristics can be obtained. It consists in a crystalline silicon slab where tubular perforations are made. Several fabrication ... -
Macroporous silicon. Technology and applications
(InTech - Open science/Open minds, 2017-06)
Capítol de llibre
Accés obertThe knowledge of fundamental silicon questions and all aspects of silicon technology gives the possibility of improvement to both initial silicon material and devices on silicon basis. The articles for this book have been ... -
Macroporous silicon: a versatile material for 3D structure fabrication
(2008-02)
Article
Accés restringit per política de l'editorialThis work focuses on the fabrication of three-dimensional (3D) microstructures by electrochemical etching of n-type silicon. We exploit the possibility of modulating the pore diameter along the growing direction to produce ... -
Macroporous silicon: efficient antireflective layer on crystalline silicon
(2011-07)
Article
Accés restringit per política de l'editorialA macroporous silicon layer (ma-PS) electrochemically grown on crystalline silicon surface can be used as an efficient antireflective layer in optical devices as antireflection coating. In this work, we presented the ma-PS ... -
Macroporous silicon: Pore growth modelling & simulation
(Universitat Politècnica de Catalunya, 2015-10-26)
Treball Final de Grau
Accés obertThis thesis is based in obtaining a MatLab software capable of reproducing the growth of macro porous in silicon crystals under certain constrains. The first main issue is the lack of information related to this topic, as ... -
Main properties of Al2O3 thin films deposited by magnetron sputtering of an Al2O3 ceramic target at different radio-frequency power and argon pressure and their passivation effect on p-type c-Si wafers
(2016-11-30)
Article
Accés obertIn this work, 50-nm thick Al2O3 thin films were deposited at room temperature by magnetron sputtering from an Al2O3 ceramic target at different RF power and argon pressure values. The sputtering technique could be preferred ... -
Manufacturing Issues of BEOL CMOS-MEMS Devices
(Institute of Electrical and Electronics Engineers (IEEE), 2021-06-07)
Article
Accés obertIn this paper we present a comprehensive report on the issues found during the manufacturing of high-yield CMOS-MEMS sensors based on vapor-phase hydrogen fluoride (vapor- HF ) oxide etching. During the study we have ... -
Millimeter-wave propagation within a computer chip package
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertWireless Network-on-Chip (WNoC) appears as a promising alternative to conventional interconnect fabrics for chip-scale communications. The WNoC paradigm has been extensively analyzed from the physical, network and architecture ... -
N-Type emitter surface passivaion in C-Si solar cells by means of antireflective amorphous Silicon Carbide layers
(American Institute of Physics (AIP), 2006-10)
Article
Accés restringit per política de l'editorialEmitter saturation current densities (JOe) of phosphorus-diffused planar c-Si solar cell emitters passivated by silicon carbide (SiCx) layers have been determined in a wide sheet resistance range (20–500O/sq). Phosphorus ... -
Novel Electronic Devices in Macroporous Silicon: Design of FET Transistors for Power Applications
(2011-07)
Article
Accés restringit per política de l'editorialIn this paper, we study the application of macroporous silicon (MpSi) to the fabrication of transistors: Four different FET transistor structures are proposed using MpSi as the base material. These devices have been studied ...