Listar por autoría "dcb153fa-931a-43c9-9854-b96f88f084aa"
Mostrando ítems 1-20 de 74
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A new series of environment-friendly reddish inorganic pigments based on AFeO3 (A = Ln, Y) with high NIR solar reflectance
Fortuño-Morte, Maria; Serna-Gallén, Pablo; Beltrán Mir, Héctor; Cordoncillo, Eloisa Elsevier (2021-02-11)Environment-friendly pigments based onAFeO3(A¼La, Pr, Nd, Sm, Gd, Tb, Y or Yb) with high near-infrared (NIR) reflectance were synthesised by a coprecipitation method at 1200 C. The Rietveldrefinement analysis showed ... -
A novel approach to obtain highly intense self-activated photoluminescence emissions in hydroxyapatite nanoparticles
Machado, Thales Rafael; Sczancoski, Júlio César; Beltrán Mir, Héctor; Costa Nogueira, Içamira; Siu Li, Maximo; Andres, Juan; Cordoncillo, Eloisa; Longo, Elson Elsevier (2017-05)Defect-related photoluminescence (PL) in materials have attracted interest for applications including near ultraviolet (NUV) excitable light-emitting diodes and in biomedical field. In this paper, hydroxyapatite [Ca10(PO4)6(OH)2] ... -
A simple approach to understand solid state chemistry with the example of a piezoelectric material incorporated in a birthday card
Carretero Cerdán, Alba; Peiro-Franch, Anna; Torres Iglesias, Rocío; Trigueros Navarro, Lara; Cordoncillo, Eloisa; Beltrán Mir, Héctor IATED (2017)Advanced solid materials are present in a large quantity of fields of our quotidian live. All the electronic devices surrounding us, such as mobile phones, computers or appliances are made up of many ... -
A site-selective fluorescence spectroscopy study of the crystal phases of KY3F10: Leveraging the optical response of Eu3+ ions
Serna-Gallén, Pablo; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Balda, Rolindes; Fernández-León, Joaquín Elsevier (2023-04-18)The present work deals with the investigation of the site-selective symmetries in Eu3+-doped KY3F10 with different crystal phases. Employing time-resolved fluorescence line-narrowing (TRFLN), a study of the luminescent ... -
A teaching strategy to understand the Solid State Chemistry for high level education students: an experience with a phosphorescence material
Stilbyte, Viktorija; Peña-Huguet, Iván; Pérez Maseda, Marta; Mollar Cuni, Andrés; Gutiérrez-Blanco, María; Rueda, Celia M.; Serna Gallen, Pablo; Fortuño-Morte, Maria; Beltrán Mir, Héctor; Cordoncillo, Eloisa International Academy of Technology, Education and Development (IATED) (2018-07)Solid state chemistry has attracted the attention of many fields due to its wealthy chemistry as well as the versatility of its applications. Among the wide fields in this area, the light interaction with a solid has ... -
A way to understand the solid-state chemistry for high level education students: the case of a ceramic pigment
Torresi, Stefano; Bou Gil, Alberto; D´Anna, Mauro; Escámez Gutiérrez, Pedro; Peña Recuenco, Natividad; Chouli, Sabrine; Serna-Gallén, Pablo; Beltrán Mir, Héctor; Cordoncillo, Eloisa International Academy of Technology, Education and Development (IATED) (2020-07-06)The design of undergraduate laboratory sessions that provide meaningful research-based experiences enhances undergraduate curricula and prepares future graduate students for research careers. Solid-State Chemistry has ... -
Ag Nanoparticles/α-Ag2WO4 Composite Formed by Electron Beam and Femtosecond Irradiation as Potent Antifungal and Antitumor Agents
Assis, Marcelo de; Robeldo, Thaiane; Foggi, Camila Cristina; Kubo, A.M.; Mínguez-Vega, Gladys; Cordoncillo, Eloisa; Beltrán Mir, Héctor; Torres-Mendieta, Rafael; Andres, Juan; Oliva, Mónica; Vergani, Carlos; Barbugli, P.A.; Camargo, E.R.; Borra, Ricardo Carneiro; Longo, Elson Nature Research (2019)The ability to manipulate the structure and function of promising systems via external stimuli is emerging with the development of reconfigurable and programmable multifunctional materials. Increasing antifungal and antitumor ... -
Atmosphere- and Voltage-Dependent Electronic Conductivity of Oxide-Ion-Conducting Zr1-xYxO2-x/2 Ceramics
Jovaní, Marc; Beltrán Mir, Héctor; Cordoncillo, Eloisa; West, Anthony R. ACS (2017-05)Cubic, fluorite-structured solid solutions Zr1-xYxO2-x/2 (YSZ; x = 0.4-0.7) were prepared by sol-gel synthesis. Impedance measurements on pellets of 85% approximate density sintered at 1300 °C for 24 h showed strong evidence ... -
Behavior of Bi2S3 under ultrasound irradiation for Rhodamine B dye degradation
Teodoro , Vinícius; Barrios Trench, Aline; da Trindade, Letícia; jacomaci, natalia; Beltrán Mir, Héctor; Andres, Juan; Cordoncillo, Eloisa; Bettini, Jefferson; Longo, Elson Elsevier (2021-10-16)In this study, we have demonstrated that Bi2S3 semiconductor under ultrasound behaves as a piezoelectric material, facilitating the transfer of electrons and holes, thus enabling the formation of oxidizing agents. In the ... -
Desarrollo de esmaltes híbridos a partir de fritas y geles adaptados a ciclos de monococción de gres y gres porcelánico
Jovaní, M.A.; Carceller, J.V.; Soler, A.; Nebot, A.; Nuñez, I.; Sánchez-Muñoz, L.; Guaita, J.; Cordoncillo, Eloisa; Carda Castelló, Juan Bautista Qualicer (2000-03-12)Como resultado de la colaboración entre la empresa Colorobbia EspaMa, S.A. y el Dto. de Química Inorgánica y Orgánica de la Universitat Jaume 1 de Castellón, se han desarrollado dos materiales vitrocerámicos, uno con la ... -
Designing biocompatible and multicolorfluorescent hydroxyapatitenanoparticles for cell-imaging applications
Machado, Thales Rafael; Leite, I. S.; Inada, N. M.; Li, Maximo Siu; Da Silva, J. S.; Andres, Juan; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Longo, Elson Elsevier (2019)In recent years, there has been a growing effort toward the synthesis, engineering and property tuning of biocompatible nanoparticles (NPs) that can be detected by confocal microscopy and then used as fluorescent probes. ... -
Effect of calcination temperature and pressure-assisted heat treatment on the dye degradation performance of SnO2 photocatalyst obtained by a simple synthesis method
da Trindade, Letícia; Borba Rocha, Ana Carolina; Teodoro , Vinícius; Tineu da Silva, Vinícius; Barrios Trench, Aline; Cordoncillo, Eloisa; Daldin Teodoro, Marcio; Mazurek Tebcherani, Sergio; Longo, Elson; Martelli Mazzo, Tatiana Elsevier Ltd. (2022) -
Effect of the oxidation states on the electrical properties of Fe-doped Pr2Zr2O7 pyrochlore
Santos Veiga, Emerson Luiz; Fortuno-Morte, María; Beltrán Mir, Héctor; Cordoncillo, Eloisa Elsevier (2022-01-01)Pyrochlores with formula Pr2Zr2-xFexO7±d (x ¼ 0.00, 0.05, 0.10 and 0.15) were synthesized by the coprecipitation method. Pellets of these compositions sintered at 1400 C for 12 h were characterized by XRD, Rietveld ... -
Enhanced conductivity and nonlinear voltage–current characteristics of nonstoichiometric BaTiO3 ceramics
Beltrán Mir, Héctor; Prades Tena, Marta; Masó, Nahum; West, Anthony R.; Cordoncillo, Eloisa Wiley-Blackwell (2011-03-21)The electrical conductivity of both BaO-deficient and TiO2-deficient BaTiO3 ceramics shows nonohmic, low-field characteristics at temperatures >∼200°C in contrast to stoichiometric BaTiO3 for which the electrical conductivity ... -
Environmental-friendly red-orange ceramic pigment based on Pr and Fe co-doped Y2Zr2O7
Jovaní, Marc; Fortuño-Morte, Maria; Beltrán Mir, Héctor; Cordoncillo, Eloisa Elsevier (2017-12)A new environmental-friendly red-orange ceramic pigment based on the general formula Y2-xPrxZr2-yFeyO7-δ was prepared by polymeric sol-gel method at 1400 °C. The solid solution range with defect fluorite structure ... -
Environmental-friendly yellow pigment based on Tb and M (M = Ca or Ba) co-doped Y2O3
De la Luz, Verónica; Prades Tena, Marta; Beltrán Mir, Héctor; Cordoncillo, Eloisa Elsevier (2013)A yellow inorganic ceramic pigment with general formula Y1.86−xMxTb0.14O3−x/2 (M = Ca and/or Zn) with x = 0.06, 0.32 and 0.64 were synthesized by a modified Pechini method. XRD, SEM and HRTEM/EDX analysis showed the formation ... -
Evaluation of Pr2Zr2−xCexO7±δ pyrochlores as a potential Cu support catalysts for CO oxidation in simulated GDI conditions
Veiga, Emerson Luiz dos Santos; Díaz Verde, Álvaro; Martinez Illan, Antonio; Beltrán Mir, Héctor; Cordoncillo, Eloisa Elsevier (2023-03)This study evaluates the catalytic activity, both as bulk catalysts and as supports for copper catalysts for CO oxidation in a simulated Gasoline Direct Injection Engine (GDI) of two pyrochlores: Pr2Zr2O7 (PZ) and ... -
Fabrication of gold nanoparticles in Therminol VP-1 by laser ablation and fragmentation with fs pulses
Torres-Mendieta, Rafael; Mondragon, Rosa; Juliá Bolívar, José Enrique; Mendoza-Yero, Omel; Cordoncillo, Eloisa; Lancis, Jesús; Mínguez-Vega, Gladys IOP Science (2014-10-22)This letter reports on a physical method to produce highly pure, size-controlled and well-dispersed spherical gold nanoparticles (NPs) in Therminol VP-1 by pulsed laser ablation in liquids (PLAL) using a 30 fs Ti:Sapphire ... -
Field enhanced bulk conductivity of acceptor-doped BaTi1−xCaxO3−x ceramics
Masó, Nahum; Prades Tena, Marta; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Sinclair, Derek C.; West, Anthony R. American Institute of Physics (2010)The electrical properties of Ca-doped BaTiO3 are very different when Ca substitutes onto Ba or Ti sites. The p-type semiconductivity of Ti-substituted ceramics increases reversibly by one to two orders of magnitude under ... -
Field enhanced bulk conductivity of BaTiO3 : Mg ceramics
Prades Tena, Marta; Masó, Nahum; Beltrán Mir, Héctor; Cordoncillo, Eloisa; West, Anthony R. Royal Society of Chemistry (2010)The electrical conductivity of ceramics of composition Ba(Ti1−xMgx)O3−x: 0.00003 ≤ x ≤ 0.01 increases with time on application of a small dc bias voltage in the range 1 to 50 V cm−1 and at temperatures in the range 200 to ...