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Listar por autor "Sánchez López, Juan Carlos"
Mostrando ítems 1-20 de 24
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Artículo
Biotribological behavior of Ag-ZrCxN1-x coatings against UHMWPE for joint prostheses devices
Calderon, V.S.; Sánchez López, Juan Carlos; Cavaleiro, A.; Carvalho, S. (Elsevier, 2015)This study aims to evaluate the structural, mechanical and tribological properties of zirconium carbonitrides (ZrCxN1-x) ...
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Artículo
Chemical and microstructural characterization of (Y or Zr)-doped CrAlN coatings
Rojas Ruiz, Teresa Cristina; El Mrabet, Said; Domínguez Meister, Santiago; Brizuela, Marta; García Luis, Alberto; Sánchez López, Juan Carlos (Elsevier, 2012)Magnetron sputtered chromium aluminium nitride films are excellent candidates for advanced machining and protection for ...
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Artículo
Comparative Study of Micro- and Nano-structured Coatings for High-Temperature Oxidation in Steam Atmospheres
Sánchez López, Juan Carlos; Mato, S; Pérez, F. J; Hierro, M. P; Castañeda, S.I.; Escobar-Galindo, Ramón (Springer Verlag, 2014)For many high-temperature applications, coatings are applied in order to protect structural materials against a wide range ...
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Artículo
Dependence of exchange anisotropy and coercivity on the Fe–oxide structure in oxygen-passivated Fe nanoparticles
Prados, C.; Multigner, M.; Hernando, Antonio; Sánchez López, Juan Carlos; Fernández Camacho, Asunción; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (American Institute of Physics, 1999)Ultrafine Fe particles have been prepared by the inert gas condensation method and subsequently oxygen passivated. The ...
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Tesis Doctoral
Estudio de metales y sulfuros nanocristalinos preparados por evaporación en atmósfera de gas inerte
Sánchez López, Juan Carlos (1998-12-21)El principal objetivo de esta Tesis ha sido la síntesis de materiales nanocristalinos en forma de polvos ultrafinos por ...
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Tesis Doctoral
Estudio de recubrimientos de nitruro de carbono y derivados preparados por pulverización catódica reactiva
Fernández Ramos, Cristina (2004-01-14) -
Artículo
Evidence of spin disorder at the surface–core interface of oxygen passivated Fe nanoparticles
Bianco, Lucia del; Hernando, A.; Multigner, M.; Prados, Clara; Sánchez López, Juan Carlos; Fernández, A.; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (AIP Publishing, 1998)Hysteresis, thermal dependence of magnetization, and coercivity of oxide coated ultrafine Fe particles prepared by inert ...
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Artículo
Exploring the benefits of depositing hard TiN thin films by non-reactive magnetron sputtering
Martínez Martínez, Diego; López Cartes, Carlos; Fernández Camacho, Asunción; Sánchez López, Juan Carlos (Elsevier, 2013)The aim of this paper is to compare the mechanical and tribological properties of TiN coatings prepared in a conventional ...
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Artículo
Extended X-ray absorption fine structure (EXAFS) investigations of Ti bonding environment in sputter-deposited nanocomposite TiBC/a-C thin films
Endrino, José Luis; Abad, Manuel D.; Gago, Raúl; Horwat, D.; Jiménez, I.; Sánchez López, Juan Carlos (Institute of Physics Publishing, 2014)In this study, we have successfully used the extended X-ray absorption fine structure (EXAFS) technique at the Ti-K edge ...
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Artículo
High N-content a-C:N films elaborated by femtosecond PLD with plasma assistance
Sánchez López, Juan Carlos; Rojas Ruiz, Teresa Cristina; Maddi, C.; Loir, A.-S.; Tite, T.; Barnier, V.; Wolski, K.; Garrelie, F (Elsevier, 2015)Amorphous carbon nitride (a-C:N) thin films are a interesting class of carbon-based electrode materials. Therefore, synthesis ...
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Tesis Doctoral
Hydrogen Storage Mechanisms in Mg-based nanocrystalline materials
Friedrichs, Oliver (2006-12) -
Artículo
Influence of silver content on the tribomechanical behavior on Ag-TiCN bioactive coatings
Sánchez López, Juan Carlos; Abad, Manuel D.; Carvalho, I; Escobar-Galindo, Ramón; Benito, N; Ribeiro, S; Henriques, M.; Cavaleiro, A.; Carvalho, S. (Elsevier, 2012)urface modification of bulk materials used in biomedical applications has become an important prerequisite for better ...
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Artículo
Magnetic and microstructural analysis of palladium nanoparticles with different capping systems
Litrán Ramos, Rocío; Sampedro, Blanca; Rojas Ruiz, Teresa Cristina; Multigner, Marta; Sánchez López, Juan Carlos; Crespo, Patricia; López Cartes, Carlos; García García, Miguel Ángel; Hernando, Antonio; Fernández Camacho, Asunción (American Physical Society, 2006)Palladium nanoparticles capped with different protective systems in a size range between 1.2 and 2.4 nm have been obtained ...
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Artículo
Nanoscale mechanically induced structural and electrical changes in Ge 2Sb 2Te 5 films
Cecchini, R.; Benítez Jiménez, José Jesús; Sánchez López, Juan Carlos; Fernández Camacho, Asunción (American Institute of Physics, 2012)We demonstrate that the microstructure and electrical properties of Ge 2Sb 2Te 5 films can be changed by a nanoscale ...
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Artículo
Phase composition and tribomechanical properties of Ti–B–C nanocomposite coatings prepared by magnetron sputtering
Brizuela, Marta; García Luis, Alberto; Endrino, José Luis; Gago, Raúl; Justo Erbez, Ángel J.; Abad Roldán, Manuel David; Sánchez López, Juan Carlos (IOP Publishing, 2012)Protective nanocomposite coatings based on hard ceramic phases (TiC, TiB2) combined with amorphous carbon (a-C) are of ...
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Tesis Doctoral
Recubrimientos protectores autolubricantes con estructura "nanocomposite" tic/a-c y derivados nitrogenados preparados por pulverización catódica
Martínez Martínez, Diego (2007-04-16) -
Tesis Doctoral
Recubrimientos protectores nanoestructurados preparados por magnetron sputtering
Domínguez Meister, Santiago (2016-11-17)La presente tesis ha consistido en la obtención de materiales en forma de película delgada con propiedades protectoras con ...
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Artículo
Role of Y in the oxidation resistance of CrAlYN coatings
Sánchez López, Juan Carlos; Rojas Ruiz, Teresa Cristina; Brizuela, Marta; Justo, A.; Jiménez de Haro, María del Carmen; Mariscal, Antonio; Escobar-Galindo, Ramón; El Mrabet, Said; Domínguez Meister, Santiago (Elsevier, 2015)CrAlYN coatings with different aluminum (4–12 at.%) and yttrium (2–5 at.%) contents are deposited by d.c. reactive magnetron ...
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Artículo
Solid lubricant behavior of MoS2 and WSe2-based nanocomposite coatings
Domínguez Meister, Santiago; Rojas Ruiz, Teresa Cristina; Brizuela, Marta; Sánchez López, Juan Carlos (National Institute for Materials Science, 2017)Tribological coatings made of MoS2 and WSe2 phases and their corresponding combinations with tungsten carbide (WC) were ...
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Artículo
Synthesis and Characterization of Multilayered CrAlN/Al₂O₃ Tandem Coating Using HiPIMS for Solar Selective Applications at High Temperature
Sánchez-Pérez, Miriam; Rojas Ruiz, Teresa Cristina; Fernández de los Reyes, Daniel; Ferrer Fernández, Francisco Javier; Farchado Dinia, Meryem; Morales Sabio, Ángel; Escobar-Galindo, Ramón; Sánchez López, Juan Carlos (American Chemical Society, 2023-12)The effect of applying a negative bias during deposition of a previously designed multilayer solar selective absorber ...