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Autor Prado Millán, Álvaro del |
Documentos disponibles escritos por este autor (59)
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Garcia, Hector ; Castán, Helena ; Dueñas, Salvador ; Bailón, Luis ; García Hernansanz, Rodrigo ; Olea Ariza, Javier ; Prado Millán, Álvaro del ; Mártil de la Plaza, Ignacio | Springer | 2016-07-16A complete electrical characterization of hydrogenated amorphous silicon layers (a-Si:H) deposited on crystalline silicon (c-Si) substrates by electron cyclotron resonance chemical vapor deposition (ECR-CVD) was carried out. These structures are[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del ; San Andres Serrano, Enrique | Kluwer Academic Publ. | 2003-05In this study, a comparative electrical characterization of Al/SiNx/Si and Al/SiNx/SiO2/Si MIS structures has been carried out. Both SiO2 and SiNx films have been deposited by using electron-cyclotron resonance plasma-enhanced chemical vapor dep[...]![]()
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Mártil de la Plaza, Ignacio ; García Hemme, Eric ; García Hernansanz, Rodrigo ; González Díaz, Germán ; Olea Ariza, Javier ; Prado Millán, Álvaro del | IOP publishing ltd | 2013-04-03We investigated the electrical transport properties of ultraheavily Ti-implanted silicon layers subsequently pulsed laser melted (PLM). After PLM, the samples exhibit anomalous electrical behaviour in sheet resistance and Hall mobility measureme[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del ; San Andres Serrano, Enrique | IOP publishing ltd | 2001-07A comparative investigation of the characteristics of the SiNx:H/Si interface has been undertaken by capacitance-voltage measurements and surface photovoltage spectroscopy. By each of these techniques, we have determined the distribution of the [...]![]()
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Mártil de la Plaza, Ignacio ; García Hemme, Eric ; García Hernansanz, Rodrigo ; González Díaz, Germán ; Olea Ariza, Javier ; Prado Millán, Álvaro del | IEEE | 2013We have fabricated titanium and vanadium supersaturated silicon layers on top of a silicon substrate by means of ion implantation and pulsed laser melting processes. This procedure has proven to be suitable to fabricate an intermediate band (IB)[...]![]()
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Mártil de la Plaza, Ignacio ; García Hemme, Eric ; García Hernansanz, Rodrigo ; González Díaz, Germán ; Olea Ariza, Javier ; Prado Millán, Álvaro del | Amer Inst Physics | 2013-07-15We have analyzed the spectral sub-bandgap photoresponse of silicon (Si) samples implanted with vanadium (V) at different doses and subsequently processed by pulsed-laser melting. Samples with V concentration clearly above the insulator-metal tra[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del | Elsevier Science SA | 1999-04Silicon oxynitride films were deposited at room temperature using the ECR-PECVD technique. Precursor gases were O(2), N(2) and SiH(4). The composition of the films can be controlled by regulating the gases flow ratio. R = (O(2) + N(2))/SiH(4) an[...]![]()
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Mártil de la Plaza, Ignacio ; Olea Ariza, Javier ; Prado Millán, Álvaro del ; San Andres Serrano, Enrique | Elsevier Science Ltd | 2006-12The physical and electrical properties of hafnium oxide (HfO2) thin films deposited by high pressure reactive sputtering (HPRS) have been studied as a function of the Ar/O-2 ratio in the sputtering gas mixture. Transmission electron microscopy s[...]![]()
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Mártil de la Plaza, Ignacio ; García Hemme, Eric ; García Hernansanz, Rodrigo ; González Díaz, Germán ; Olea Ariza, Javier ; Prado Millán, Álvaro del | IEEE | 2013Hydrogenated amorphous silicon thin films were deposited using a high pressure sputtering (HPS) system. In this work, we have studied the composition and optical properties of the films (band-gap, absorption coefficient), and their dependence wi[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del ; San Andres Serrano, Enrique | American Institute of Physics | 2004-05-15The influence of H on the composition and atomic concentrations of Si, O, and N of plasma deposited SiOxNyHz films was investigated. The bonding scheme of H was analyzed by Fourier-transform infrared spectroscopy. The composition and absolute co[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del | American Institute of Physics | 2008-11-01Al/HfO(2)/SiN(x):H/n-Si metal-insulator-semiconductor capacitors have been studied by electrical characterization. Films of silicon nitride were directly grown on n-type silicon substrates by electron cyclotron resonance assisted chemical vapor [...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del | Inst. Pure Applied Physics | 2003-08-01An electrical characterization of Al/SiOxNyHz/Si metal-insulator-semiconductor (MIS) structures has been carried out. SiOxNyHz films of different compositions have been obtained from these structures by varying gas flow in the electron-cyclotron[...]![]()
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Mártil de la Plaza, Ignacio ; García Hemme, Eric ; García Hernansanz, Rodrigo ; González Díaz, Germán ; Olea Ariza, Javier ; Prado Millán, Álvaro del | American Institute of Physics | 2012Ti supersaturated Si layers with two different thicknesses have been obtained on the top of a Si substrate by means of ion implantation and pulsed laser melting processes. Time-of-flight Secondary Ion Mass spectrometry (ToF-SIMS) measurements sh[...]![]()
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García Hernansanz, Rodrigo ; García Hemme, Eric ; Montero Álvarez, Daniel ; Olea Ariza, Javier ; San Andres Serrano, Enrique ; Prado Millán, Álvaro del ; Ferrer, F. J. ; Mártil de la Plaza, Ignacio ; González Díaz, Germán | IOP Publishing | 2016-03Amorphous silicon thin films were deposited using the high pressure sputtering (HPS) technique to study the influence of deposition parameters on film composition, presence of impurities, atomic bonding characteristics and optical properties. An[...]![]()
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Mártil de la Plaza, Ignacio ; García Hemme, Eric ; García Hernansanz, Rodrigo ; González Díaz, Germán ; Olea Ariza, Javier ; Prado Millán, Álvaro del | Elsevier Science SA | 2012-08-31Si samples implanted with very high Ti doses and subjected to Pulsed-Laser Melting (PLM) have been electrically analyzed in the scope of a two-layer model previously reported based on the Intermediate Band (IB) theory. Conductivity and Hall effe[...]