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    •   RIUMA Principal
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    • Química Inorgánica, Cristalografía y Mineralografía - (QICM)
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      • Early-age reactivity of calcined kaolinitic clays in LC3 cements: a multitechnique investigation including pair distribution function analysis 

        Bernal, Isabel M.R.; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; Gomez-de-la-Torre, Maria de los Angeles; Cuesta-García, Ana María (Taylor & Francis, 2022-09)
        Limestone Calcined Clay Cements, LC3, allows CO2 emissions savings up to 40%. The resulting binders have competitive mechanical performances after a week. However, the reactivity of LC3 at early ages is slow and should be ...
      • Effect of boron and water-to-cement ratio on the performances of laboratory prepared Belite-Ye'elimite-Ferrite (BYF) cements 

        Pérez-Bravo, Raquel; Morales-Cantero, Alejandro; Bruscolini, Marguerita; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; [et al.] (2021)
        The effect of superplasticiser, borax and the water-to-cement ratio on BYF hydration and mechanical strengths has been studied. Two laboratory-scale BYF cements—st-BYF (with -C2S and orthorhombic C4A3 S) and borax-activated ...
      • Effect of calcium sulfate source on the hydration of calcium sulfoaluminate eco-cement 

        García-Maté, Marta; Gomez-de-la-Torre, Maria de los Angeles; León-Reina, Laura; Ramirez-Losilla, Enrique; García-Aranda, Miguel Ángel; [et al.] (2014)
        The availability of cements, including eco-cements, with tailored mechanical properties is very important for special applications in the building industry. Here we report a full study of the hydration of calcium sulfoaluminate ...
      • Effect of Microencapsulated Phase Change Materials on the Flow Behavior of Cement Composites 

        Garcia Sanfelix, Susana; Santacruz-Cruz, Maria Isabel; Szczotok, Anna M.; Belloc, Luis Miguel O.; Gomez-de-la-Torre, Maria de los Angeles; [et al.] (2019)
        Microencapsulated phase change materials (MPCMs) were incorporated into cement pastes of Portland cement (PC). Minislump tests and rheological properties of cement pastes containing three MPCMs with different surfaces ...
      • Effect of Zn addition on the structure and electrochemical properties of codoped BaCe0.6Zr0.2Ln0.2O3-δ (Ln=Y, Gd, Yb) proton conductors 

        Zamudio-García, Javier; Porras-Vázquez, José Manuel; Dos Santos-Gómez, Lucía; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2018-05-02)
        In this work, BaCe0.6Zr0.2Y0.2-xYbxO3-δ and BaCe0.6Zr0.2Gd0.2-xYbxO3-δ (x=0–0.20), proton conducting materials are prepared by the freeze-drying precursor method. The sintering conditions were optimized by adding ...
      • The effects of MgO, Na2O and SO3 on industrial clinkering process: phase composition, polymorphism, microstructure and hydration, using a multidisciplinary approach 

        Segata, Monica; Nicoletta, Marinoni; Matteo, Galimberti; Maurizio, Marchi; Marco, Cantaluppi; [et al.] (2019-07-02)
        The present investigation deals with how minor elements (their oxides: MgO, Na2O and SO3) in industrial kiln feeds affect (i) chemical reactions upon clinkering, (ii) resulting phase composition and microstructure ...
      • Effects of sulfates on the hydration of Portland cement – A review 

        Andrade Neto, José da Silva; Kirchheim, Ana Paula; Gomez-de-la-Torre, Maria de los Angeles (2021)
        Presented within is a critical overview of the effect of sulfates on cement hydration, properties, and optimum sulfate content in Portland cement. Calcium sulfate is used in Portland cement to control the C3A reaction ...
      • Error analysis and correction for quantitative phase analysis based on Rietveld-internal method: Whether the minor phases can be ignored? 

        Zhao, Piqi; Lu, Lingchao; Liu, Xianping; Gomez-de-la-Torre, Maria de los Angeles; Xin, Cheng (MDPI, 2018-02)
        The Rietveld-internal standard method for Bragg-Brentano reflection geometry (q/2q) X-ray diffraction (XRD) patterns is implemented to determine the amorphous phase content. The effect of some minor phases on quantitative ...
      • Experimental and theoretical high pressure study of calcium hydroxyaluminate phases 

        Cuesta-Garcia, Ana Maria; Pawel, Rejmak; Ayuela, Andres; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; [et al.] (Elsevier, 2017)
        Five calcium hydroxyaluminate phases have been investigated by synchrotron powder diffraction at high-pressure: two hydrogarnets, kuzelite, stratlingite and ettringite. The obtained bulk modulus, K0, for kuzelite, stratlingite ...
      • Exploiting the Multifunctionality of M2+/Imidazole−Etidronates for Proton Conductivity (Zn2+) and Electrocatalysis (Co2+, Ni2+) toward the HER, OER, and ORR 

        Vílchez-Cózar, Álvaro; Armakola, Eirini; Gjika, Maria; Visa, Aurelia; Bazaga-García, Montse; [et al.] (American Chemical Society, 2022-02-22)
        This work deals with the synthesis and characterization of one-dimensional (1D) imidazole-containing etidronates, [M2(ETID)(Im)3]·nH2O (M = Co2+ and Ni2+; n = 0, 1, 3) and Zn2(ETID)2(H2O)2](Im)2, as well as the corresponding ...
      • From light to heavy alkali metal tetraphosphonates (M = Li, Na, K, Rb, Cs): cation size-induced structural diversity and waterfacilitated proton conductivity 

        Salcedo, Inés R.; Pérez Colodrero, Rosario M.; Bazaga-García, Montse; Vasileiou, Antonia; Papadaki, Maria; [et al.] (The Royal Society of Chemistry, 2018-09)
        A family of alkali metal-based frameworks containing the tetraphosphonate ligand hexamethylenediamine- N,N,N′,N′-tetrakisIJmethylenephosphonic acid), HDTMP, is reported. A cation size-induced structural diversity, from ...
      • Gas-Phase Hydrogenation of Furfural to Furfuryl Alcohol over Cu-ZnO-Al2O3 Catalysts Prepared from Layered Double Hydroxides 

        Bertolini, Guillermo R.; Jiménez-Gómez, Carmen Pilar; Cecilia-Buenestado, Juan Antonio; Maireles-Torres, Pedro Jesús (MDPI, 2020-04-29)
        Several layered double hydroxides (LDHs) with general chemical composition (Cu,Zn)1-xAlx(OH)2(CO3)x/2 .. mH2O have been synthesized by the co-precipitation method, maintaining a (M2+/M3+) molar ratio of 3, and varying the ...
      • Glyphosate adsorption onto porous clay heterostructure (PCH): kinetic and thermodynamic studies 

        Besghaier, Sabrine; Cecilia-Buenestado, Juan Antonio; Chouikhi, Nesrine; Vilarrasa García, Enrique; Rodriguez-Castellon, Enrique; [et al.] (Springer, 2021-10-07)
        The synthesis of PCH from natural bentonite produces a porous heterostructure material effective for the adsorption of glyphosate from water. The adsorption process takes place through an interaction between the silanol ...
      • Guest Molecule-Responsive Functional Calcium Phosphonate Frameworks for Tuned Proton Conductivity 

        Bazaga-García, Montse; Pérez Colodrero, Rosario M.; Papadaki, M.; Garczarek, Piotr; Zon, Jerzy; [et al.] (American Chemical Society, 2014-03-18)
        We report the synthesis, structural characterization, and functionality of an open-framework hybrid that combines Ca2+ ions and the rigid polyfunctional ligand 5-(dihydroxyphosphoryl) isophthalic acid (PiPhtA). Ca-PiPhtA-I ...
      • High pressure and temperature spinning capillary cell for in-situ synchrotron X-ray powder diffraction 

        Fraga, Edmundo; Yáñez, Armando; Zea-Garcia, Jesus D.; Gomez-de-la-Torre, Maria de los Angeles; Cuesta-Garcia, Ana Maria; [et al.] (2019)
        In situ research of materials under moderate pressures (hundreds of bar) is essential in many scientific fields. These range from gas sorption to chemical and biological processes. One industrially important discipline is ...
      • High Proton Conductivity in a Flexible, Cross-Linked, Ultramicroporous Magnesium Tetraphosphonate Hybrid Framework 

        Pérez Colodrero, Rosario M.; Olivera-Pastor, Pascual; Losilla, Enrique R.; Hernández Alonso, Daniel; G. Aranda, Miguel Ángel; [et al.] (American Chemical Society, 2012-07-03)
        Multifunctional materials, especially those combining two or more properties of interest, are attracting immense attention due to their potential applications. MOFs, metal organic frameworks, can be regarded as multifunctional ...
      • High-Throughput Synthesis of Pillared-Layered Magnesium Tetraphosphonate Coordination Polymers: Framework Interconversions and Proton Conductivity Studies 

        Pérez Colodrero, Rosario M.; Salcedo, Inés R.; Bazaga-García, Montse; Barouda, Eleni; Papadaki, Maria; [et al.] (MDPI, www.mdpi.com/journal/inorganics, 2018-09-11)
        Novel pillared-layered framework materials were synthesized by high-throughput or microwave-assisted methodology that contain Mg2+ and the zwitterionic linker HDTMP (hexamethylenediamine-N,N,N0,N0-tetrakis(methylenephosphonic ...
      • Highly efficient La0.8Sr0.2MnO3-δ - Ce0.9Gd0.1O1.95 nanocomposite cathodes for solid oxide fuel cells 

        Dos Santos-Gómez, Lucía; Zamudio-García, Javier; Porras-Vázquez, José Manuel; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2017-12-15)
        La0.8Sr0.2MnO3-δ-Ce0.9Gd0.1O1.95 (LSM-CGO) nanostructured cathodes are successfully prepared in a single process by a chemical spray-pyrolysis deposition method. The cathode is composed of nanometric particles of approximately ...
      • Hydration and interactions between pure and doped C3S and C3A in the presence of different calcium sulfates 

        Andrade Neto, José da Silva; de Matos, Paulo R.; Gomez-de-la-Torre, Maria de los Angeles; Campos, Carlos E. M.; Torres, Sandro M.; [et al.] (2022)
        This research studied the hydration of C3S-C3A-calcium sulfate systems made of combinations of two C3S (pure triclinic and Al-doped monoclinic), two C3A (pure cubic C3A and Na-doped orthorhombic), and two calcium sulfates ...
      • Hydration development and thermal performance of calcium sulphoaluminate cements containing microencapsulated phase change materials 

        Sanfelix, Susana G.; Zea-Garcia, Jesus D.; Londono-Zuluaga, Diana; Santacruz-Cruz, Maria Isabel; Gomez-de-la-Torre, Maria de los Angeles; [et al.] (2020-03-24)
        Microencapsulated phase change materials (MPCM) incorporated in buildings walls can reduce indoor temperature fluctuations, conserving energy and enhancing thermal comfort. MPCM were incorporated in calcium sulphoaluminate ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA