Browsing 007 Πολυτεχνική Σχολή / Faculty of Engineering by Title
Now showing items 2699-2718 of 5269
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Conference Object
Machine learning algorithms for photovoltaic system power output prediction
(2018)Accurate photovoltaic (PV) production forecasting is necessary for the optimal integration of this technology into existing power systems and is important for both grid and plant operators. The purpose of this work is to ...
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Conference Object
Machine learning algorithms for photovoltaic system power output prediction
(2018)Accurate photovoltaic (PV) production forecasting is necessary for the optimal integration of this technology into existing power systems and is important for both grid and plant operators. The purpose of this work is to ...
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Conference Object
Machine Learning for QoT Estimation of Unseen Optical Network States
(2019)We apply deep graph convolutional neural networks for Quality-of-Transmission estimation of unseen network states capturing, apart from other important impairments, the inter-core crosstalk that is prominent in optical ...
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Machine learning-based statistical testing hypothesis for fault detection in photovoltaic systems
(2019)In this paper, we consider a machine learning approach merged with statistical testing hypothesis for enhanced fault detection performance in photovoltaic (PV) systems. The developed method makes use of a machine learning ...
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Macro and Micro-Scale Features of Thermoelectric PbTe (Br, Na) Systems: Micro-FTIR Spectroscopy, Micro-Seebeck Measurements, and SEM/EDX Observations
(2014)In this work, n-type and p-type PbTe doped with Br and Na, respectively, were thoroughly examined to determine the effect of the dopant on microstructure. Macro and micro homogeneity of the samples were studied by means ...
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Magnetic carbon nanofibers deriving from electrospun cellulose/Fe3O4 fibrous nanocomposites
(2019)
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Magnetic properties of Fe3O4 thin films grown on different substrates by laser ablation
(2007)Magnetite thin films have been grown onto (1 0 0)Si, (1 0 0)GaAs and (0 0 0 1)Al2O3, at substrate temperatures varying from 473 to 673 K, by UV pulsed laser ablation of Fe3O4 targets in reactive atmospheres of O2 and Ar, ...
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Magnetic properties of the half-metallic ferromagnet NiMnSb grown on InSb by pulsed laser deposition
(2004)We have grown films of the half-metallic ferromagnet NiMnSb on single crystals of the narrow gap semiconductor InSb by pulsed laser deposition. NiMnSb is a possible candidate for spin injection applications. The film ...
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Magnetic-field dependence of the critical dynamics of a superconducting detwinned single crystal
(1997)The in-plane longitudinal resistivities (Formula presented) and (Formula presented) of a single-crystal of (Formula presented) have been measured as a function of magnetic field (Formula presented) (less than 6.75 T) and ...
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Magneto-transport properties of NiMnSb thin films on InSb single crystals: Negative giant magnetoresistance
(2007)In this study we investigated the magneto-transport properties of the ohmic contact between polycrystal-line NiMnSb thin films grown by pulsed laser deposition and n-type degenerate InSb (100) substrates. An unusual negative ...
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Magnetohydrodynamic turbulence at moderate magnetic Reynolds number
(2004)We consider the case of homogeneous turbulence in a conducting fluid that is exposed to a uniform external magnetic field at low to moderate magnetic Reynolds numbers (by moderate we mean here values as high as 20). When ...
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Magnetoresistance in LaNi1-xCoxO3 (0.3≤x≤0.6)
(2010)We report on a detailed study of the electrical resistivity and the magnetoresistance of the metallic members of the LaNi1-xCoxO3 series with 0.3≤x≤0.6. The low-temperature resistivity of the compounds with 0.3≤x≤0.5 ...
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Magnetoresistance of magnetite thin films grown by pulsed laser deposition on GaAs(1 0 0) and Al2O3(0 0 0 1)
(2007)Magnetotransport properties of magnetite thin films deposited on gallium arsenide and sapphire substrates at growth temperatures between 473 and 673 K are presented. The films were grown by UV pulsed laser ablation in ...
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Magnetoresponsive polymer networks as adsorbents for the removal of U(VI) ions from aqueous media
(2017)Magnetoresponsive, methacrylate-based 3D polymer networks containing hydrophilic/thermoresponsive, hydrophilic/pH-responsive and hydrophobic/metal chelating functionalities and oleic acid-coated magnetite nanoparticles, ...
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Magnetotransport of delta-doped In0.57Ga0.43As on InP(001) grown between 390 and 575°C by molecular beam epitaxy
(1998)Silicon (Si) delta- (δ-) doped In0.53Ga0.47As layers were grown by molecular beam epitaxy on InP(001) substrates between 390°C and 575°C. Subbands formed at the δ layer were examined with Hall and Shubnikov-de Haas effect ...
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