- RIUMA Principal
- Investigación
- Química Inorgánica, Cristalografía y Mineralografía - (QICM)
- QICM - Artículos
- Listar QICM - Artículos por autor
Listar QICM - Artículos por autor "Cabeza-Díaz, Aurelio"
Mostrando ítems 21-35 de 35
-
Phosphonate Decomposition-Induced Polyoxomolybdate Dumbbell-Type Cluster Formation: Structural Analysis, Proton Conduction, and Catalytic Sulfoxide Reduction
Armakola, Eirini; Salcedo, Inés R.; Bazaga-García, Montse; Mezei, Gellert; Cabeza-Díaz, Aurelio; Fernandes, Tiago A.; Kirillov, Alexander M.; Demadis, Konstantinos D.[et al.] (ACS publications, 2019-08-12)The reaction of MoO4^2− with a number of phosphonic acids [bis-(phosphonomethyl)glycine, R,S-hydroxyphosphonoacetic acid, 1-hydroxyethane-1,1-diphosphonic acid, phenylphosphonic acid, aminotris(methylene phosphonic acid), ... -
Photodegradation of Phenol over a Hybrid Organo-Inorganic Material: Iron(II) Hydroxyphosphonoacetate
Bazaga-García, Montse; Cabeza-Díaz, Aurelio; Olivera-Pastor, Pascual; Santacruz-Cruz, María Isabel; Pérez-Colodrero, Rosario Mercedes; García-Aranda, Miguel Ángel[et al.] (American Chemical Society, 2012-06-20)Water treatment is a hot topic, and it will become much more important in the decades ahead. Advanced oxidation processes are being increasingly used for organic contaminant removal, for example using photo-Fenton reactions. ... -
Properties and Applications of Metal Phosphates and Pyrophosphates as Proton Conductors
Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio; Bazaga-García, Montse (MDPI, 2022-02-09)We review the progress in metal phosphate structural chemistry focused on proton conductivity properties and applications. Attention is paid to structure–property relationships, which ultimately determine the potential ... -
Relationship between the Structure and Transport Properties in the Ce1−xLaxO2−x/2 System
Zamudio-García, Javier; Porras-Vázquez, José Manuel; Canales-Vázquez, J.; Cabeza-Díaz, Aurelio; Losilla, Enrique R.; Marrero-López, David[et al.] (American Chemical Society, 2019-06-25)La-doped CeO2 materials have been widely investigated for potential applications in different high-temperature electrochemical devices, such as fuel cells and ceramic membranes for hydrogen production. However, the crystal ... -
Structural and Proton Conductivity Studies of Fibrous π-Ti2O(PO4)2·2H2O: Application in Chitosan- Based Composite Membranes
Babaryk, Artem A.; Adawy, Alaa; García, Inés; Trobajo, Camino; Amghouz, Zakariae; Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio; Olivera-Pastor, Pascual; Bazaga-García, Montse; Dos-Santos-Gómez, Lucía[et al.] (The Royal Society of Chemistry, 2021)Although the fibrous polymorphic modification of titanium phosphate, π-Ti2O(PO4)2·2H2O (π-TiP) is known for decades, its crystal structure has remained unsolved. Herewith we report the crystal structure of π-TiP at a room ... -
Structural Mapping and Framework Interconversions in 1D, 2D, and 3D Divalent Metal R,S-Hydroxyphosphonoacetate Hybrids
Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio; Papadaki, M.; Demadis, Konstantinos D.; García-Aranda, Miguel Ángel[et al.] (American Chemical Society, 2009-12-16)Reactions of divalent cations (Mg2þ, Co2þ, Ni2þ, and Zn2þ) with R,S-hydroxyphosphonoacetic acid (HPAA) in aqueous solutions (pH values ranging 1.0-4.0) yielded a range of crystalline hydrated M-HPAA hybrids. Onedimensional ... -
Structural variability in M2+ 2-hydroxyphosphonoacetate moderate proton conductors
Pérez-Colodrero, Rosario Mercedes; Salcedo, Inés R.; Bazaga-García, Montse; Milla-Pérez, Diego F.; Durán-Martín, Jonatan D.; Ramírez-Losilla, Enrique; Moreno-Real, Laureano; Rius, Jordi; García-Aranda, Miguel Ángel; Demadis, Konstantinos D.; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio[et al.] (De Gruyter, 2017)The structural variability of two series of Mg2+- and Zn2+- 2-hydroxyphosphonoacetates have been studied in the range of 25–80 °C and 95 % relative humidity in order to correlate the structure with the proton conductivity ... -
Structural Variability in Multifunctional Metal Xylenediaminetetraphosphonate Hybrids
Pérez-Colodrero, Rosario Mercedes; Angeli, Giasemi K.; Bazaga-García, Montse; Olivera-Pastor, Pascual; Villemin, Didier; Losilla, Enrique R.; Martos, Estefanía Q.; Hix, Gary B.; García-Aranda, Miguel Ángel; Demadis, Konstantinos D.; Cabeza-Díaz, Aurelio[et al.] (American Chemical Society, 2013-07-24)Two new families of divalent metal hybrid derivatives from the aromatic tetraphosphonic acids 1,4- and 1,3-bis(aminomethyl)benzene-N,N′-bis(methylenephosphonic acid), (H2O3PCH2)2−N−CH2C6H4CH2−N(CH2PO3H2)2 (designated herein ... -
Structure of stratlingite and effect of hydration methodology on microstructure
Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles; Álvarez-Pinazo, Gema; Cabeza-Díaz, Aurelio; Cuesta-García, Ana María; Sanz, Jesus; García-Aranda, Miguel Ángel[et al.] (ICE publishing, 2015)Stratlingite, Ca4Al2(OH)12[AlSi(OH)8]2•2H2O, is an AFm phase which appears as hydration product of aluminum-rich cements. These binders may be calcium aluminate cements, calcium sulfoaluminate cements and also Belite Calcium ... -
Synthesis and Electrochemical properties of metal(II)- carboxyethylphenylphosphinates
Bazaga-García, Montse; Vílchez-Cózar, Álvaro; Maranescu, Bianca; Olivera-Pastor, Pascual; Marganovici, Marko; Ilia, Gheorghe; Cabeza-Díaz, Aurelio; Visa, Aurelia; Pérez-Colodrero, Rosario Mercedes[et al.] (Royal Society of Chemistry, 2021)We report herein the synthesis, structural characterization and electrocatalytic properties of three new coordination polymers, resulting from the combination of divalent metal (Ca2+, Cd2+ or Co2+) salts with (2-carboxy ... -
Synthesis and structural characterization of 2-D layered copper(II) styrylphosphonate coordination polymers
Maranescu, Bianca; Visa, Aurelia; Ilia, Gheorghe; Simon, Zeno; Demadis, Konstantinos D.; Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio; Vallcorba, Oriol; Rius, Jordi; Choquesillo-Lazarte, Duane[et al.] (Taylor & Francis, 2014-04-11)We report the synthesis, physicochemical characterization, and crystal structure of Cu-SP (SP = styrylphosphonic acid, H2O3PCH=CH2(C6H5)), the first reported example of a metal derivative of SP. The starting SP acid was ... -
Tailored setting times with high compressive strengths in bassanite calcium sulfoaluminate eco-cements
García-Maté, Marta; Londono-Zuluaga, Diana; Gómez-de-la-Torre, María de los Ángeles; Ramírez-Losilla, Enrique; Cabeza-Díaz, Aurelio; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel[et al.] (Elsevier, 2016-09)This work deals with the hydration of a calcium sulfoaluminate (CSA) eco-cement prepared with bassanite and different additives (type and content) at a fixed water/CSA ratio of 0.5. Pastes prepared with bassanite show high ... -
Three-Component Copper-Phosphonate-Auxiliary Ligand Systems: Proton Conductors and Efficient Catalysts in Mild Oxidative Functionalization of Cycloalkanes
Armakola, Eirini; Pérez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Salcedo, Inés R.; Choquesillo-Lazarte, Duane; Cabeza-Díaz, Aurelio; Kirillova, Marina V.; Kirillov, Alexander M.; Demadis, Konstantinos D.[et al.] (ACS publications, 2018-08-13)The synthesis, structural characterization, topological analysis, proton conductivity, and catalytic properties are reported of two Cu(II)-based compounds, namely a dinuclear Cu(II) complex [Cu2(μ-VPA)2(phen)2(H2O)2]· 8H2O ... -
Tuning Proton Conductivity in Alkali Metal Phosphonocarboxylates by Cation Size-Induced and Water-Facilitated Proton Transfer Pathways
Bazaga-García, Montse; Papadaki, M.; Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Losilla, Enrique R.; Nieto-Ortega, Belén; García-Aranda, Miguel Ángel; Choquesillo-Lazarte, Duane; Cabeza-Díaz, Aurelio; Demadis, Konstantinos D.[et al.] (American Chemical Society, 2014-12-20)The structural and functional chemistry of a family of alkali-metal ions with racemic R,S-hydroxyphosphonoacetate (M-HPAA; M = Li, Na, K, Cs) are reported. Crystal structures were determined by X-ray data (Li+, powder ... -
Zinc(II), cobalt(II) and manganese(II) networks with phosphoserine ligand: Synthesis, crystal structures magnetic and conduction properties
Vallejo, J.; Salcedo, Inés R.; Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio; Świtlicka, A.; Cano, J.; Viciano-Chumillas, María[et al.] (The Royal Society of Chemistry, 2017)A series of zinc(II), cobalt(II) and manganese(II) coordination networks with the phosphoserine ligand (Pser) is synthesized and characterized. Whereas in compounds 1 and 2 with the general formula [M(Pser)]n [M = Zn (1) ...