Listar por autoría "0dcd121a-0f1d-4927-b47c-6b8581214d93"

Mostrando ítems 1-18 de 18

    • closedAccess   Beige materials for the ceramic industry: AlxVyFe1-xP1-yO4 (0.0 ≤ x ≤ 0.3, 0.0 ≤ y ≤ 0.1) solid solutions 

      Tena, M. A. Elsevier (2019-05)
      AlxVyFe1-xP1-yO4 (0.0 ≤ x ≤ 0.3, 0.0 ≤ y ≤ 0.1) compositions were synthesized via the chemical co-precipitation method. At 500 °C, α-FePO4 berlinite crystallizes together with FePO4 tridymite, Fe(III) occupying tetrahedral ...

    • closedAccess   Blue-violet ceramic pigments based on Co and Mg Co2−xMgxP2O7 diphosphates 

      Llusar, Mario; Zielinska, Agnieszka Tymosiak; Tena, M. A.; Badenes March, José Antonio; Monrós, Guillermo Elsevier (2010)
      Solid solutions of Co and Mg diphosphates with compositions Co2−xMgxP2O7 (x = 0, 0.1, 0.2, 0.3, 0.5, 0.7, 1.0, 1.5 and 1.8) have been prepared and characterized for the first time as alternative low-toxicity blue ceramic ...

    • openAccess   Ceramic pigments from CoxNi3-xP2O8 (0 ≤ x ≤ 3) solid solutions 

      Tena, M. A.; Mendoza, Rafael; Trobajo-Fernández, María del Camino; García, José R.; Garcia-Granda, Santiago Elsevier (2021-07-17)
      CoxNi3-xP2O8 (0 ≤ x ≤ 3) solid solutions were synthesized via the chemical co-precipitation method. Variation of unit cell parameters and interatomic distances indicated that these solid solutions with the Ni3P2O8 structure ...

    • closedAccess   Characterization of MgxM2 − xP2O7 (M = Cu and Ni) solid solutions 

      Tena, M. A. Elsevier (2012)
      In this study, MgxM2 − xP2O7 (M = Cu, Ni; 0 ≤ x ≤ 2) and Mg3 − yNiy(PO4)2 (0 ≤ y ≤ 3) compositions were synthesized by the chemical coprecipitation method and characterized by X-ray diffraction, UV–vis–NIR spectroscopy and ...

    • closedAccess   Characterization of yellow and red inorganic pigments from Mg0.5Cu1.5VxP2−xO7 (0 ≤x≤2) solid solutions 

      Tena, M. A.; Mendoza, Rafael; Martínez, David; Trobajo-Fernández, María del Camino; García, José R.; Garcia-Granda, Santiago Springer (2020)
      The structural characterization of Mg0.5Cu1.5VxP2−xO7 (0.0 ≤x≤2.0) compositions was performed and the colour parameters of these materials measured. Solid solutions in the α-Cu2P2O7, β-Cu2P2O7 and β-Cu2V2O7 structures were ...

    • closedAccess   Co2P2O7‐Ni2P2O7 solid solutions: Structural characterization and color 

      Tena, M. A.; Mendoza, Rafael; Trobajo-Fernández, María del Camino; Garcia-Granda, Santiago Wiley (2018-10)
      NH4[Co1−yNiyPO4]·H2O (0 ≤ y ≤ 1) single crystals were fired to prepare Co2−xNixP2O7 0 ≤ x ≤ 2 solid solutions between 800 and 1200°C. The structure of these solid solutions is α‐M2P2O7 (M = Co, Ni). The contraction of the ...

    • openAccess   Cobalt Minimisation in Violet Co3P2O8 Pigment 

      Tena, M. A.; Mendoza, Rafael; Trobajo-Fernández, María del Camino; Garcia-Granda, Santiago MDPI (2022-01-31)
      This study considers the limitations of cobalt violet orthophosphate, Co3P2O8, in the ceramic industry due to its large amount of cobalt. MgxCo3−xP2O8 (0 ≤ x ≤ 3) solid solutions with the stable Co3P2O8 structure were ...

    • closedAccess   Development of blue ceramic dyes from cobalt phosphates 

      Meseguer Costa, Sergio; Tena, M. A.; Gargori, Carina; Galindo Llorach, Roberto; Badenes March, José Antonio; Llusar, Mario; Monrós, Guillermo Elsevier (2008)
      In this study the development of blue ceramic dyes from compositions based on phosphate structures have been investigated. The replacement of cobalt by copper or iron to minimize the Co content have been considered. ...

    • openAccess   Estudi químic de la dinàmica de les aigües litorals del delta del Millars a l'estiu del 1989 

      Monrós, Guillermo; Oliver, V.L.; Carda Castelló, Juan Bautista; Tena, M. A. Agrupació Borrianenca de Cultura (1990)
      The results obtained by analyzing different chemical parameters in samples of litoral waters picked up in a systematic way along the summer of 1989, at the north of river Millars delta («Pinar» beach in Castelló de la ...

    • openAccess   Green and blue materials for the ceramic industry from pink MgCoxNi1-xSiO4 (0 ≤ x ≤ 1) solid solutions 

      Tena, M. A.; Mendoza Meroño, Rafael; Trobajo-Fernández, María del Camino; García-Menéndez, José Rubén; Garcia-Granda, Santiago Elsevier (2022-12-09)
      In this study, MgCoxNi1-xSiO4 (0.0 ≤ x ≤ 1.0) solid solutions with an olivine structure were synthetized via the chemical coprecipitation method and materials with a smaller M(II) (M = Co, Ni) amount than Co2SiO4 and Ni2SiO4 ...

    • closedAccess   Influence of the structure of CrPO4 on the formation of CrVxP1−xO4 solid solutions and their colour 

      Tena, M. A.; Mendoza, Rafael; García, José R.; Garcia-Granda, Santiago Elsevier (2017-10-01)
      CrVxP1-xO4 (0 <= x <= 1) compositions were synthesized via the chemical co-precipitation method. At 600 degrees C, the detected crystalline phase is monoclinic CrVO4 when x >= 0.7. At 800 degrees C, two isostructural phases ...

    • closedAccess   Nanocomposite Fe2O3–SiO2 inclusion pigments from post-functionalized mesoporous silicas 

      Llusar, Rosa; Royo, V.; Badenes March, José Antonio; Tena, M. A.; Monrós, Guillermo Elsevier (2009)
      High-surface mesoporous silicas with different pore sizes were employed for the first time as silicon precursors in the synthesis of reddish Fe2O3–SiO2 inclusion pigments. Interestingly, the size of included Fe2O3 nanoparticles ...

    • closedAccess   Red ceramic pigments of terbium-doped ceria prepared through classical and non-conventional coprecipitation routes 

      Llusar, Mario; Vitásková, Lucie; Sulcová, Petra; Tena, M. A.; Badenes March, José Antonio; Monrós, Guillermo Elsevier (2010)
      Reddish ceramic pigments based on cerianite compositions Ce1−xTbxO2 (x = 0.1, 0.2 and 0.3) and Ce0.9Tb0.05Y0.05O2 have been prepared. Firstly, the optimal composition giving the best red colour was selected (Ce0.9Tb0.1O2) ...

    • openAccess   Structural characterization and colour of Ni3−xCuxP2O8 (0 ≤ x ≤ 3) materials 

      Tena, M. A.; Mendoza, Rafael; Trobajo-Fernández, María del Camino; García, José R.; Garcia-Granda, Santiago Springer (2021)
      The structural characterization of Ni3−xCuxP2O8 (0.0 ≤ x ≤ 3.0) compositions was performed and the colour parameters of these materials measured. Solid solutions with Ni3P2O8, Ni2CuP2O8 and Cu3P2O8 structures were ...

    • openAccess   Structural characterization and colour of MgxCu3-xV2O8 (0<=x<=3) and MgyCu2-yV2O7 (0<=y<=2) compositions 

      Tena, M. A.; Garcia-Granda, Santiago Springer (2015)
      In this study, MgxCu3-xV2O8 (0 ≤ x ≤ 3) and MgyCu2-yV2O7 (0 ≤ y ≤ 2) compositions were synthesized by the chemical coprecipitation method and characterized by X-ray diffraction, UV–vis-NIR spectroscopy and CIE L* a* ...

    • openAccess   Structural characterization and colour of Ni3VxP2−xO8 (0 ≤ x ≤ 2) and Ni2VyP2−yO7 (0 ≤ y ≤ 2) materials 

      Tena, M. A.; Mendoza, Rafael; García, José R.; Garcia-Granda, Santiago Elsevier (2017)
      Structural characterization of Ni3VxP2−xO8 (0 ≤ x ≤ 2) and Ni2VyP2−yO7 (0 ≤ y ≤ 2) compositions was made and colour parameters of these materials measured. Ni(II) diphosphate and divanadate crystalline phases are not stables ...

    • closedAccess   Study of Cr-SnO2 ceramic pigment and of Ti/Sn ratio on formation and coloration of these materials 

      Tena, M. A.; Meseguer, Susana; Gargori, Carina; Forés, Ana; Badenes March, José Antonio; Monrós, Guillermo Elsevier (2007)
      In this study, CrxSn1−xO2 (0 ≤ x ≤ 0.06) and Cr0.03Sn0.97−yTiyO2 (0 < y ≤ 0.97) compositions were synthesized by the ceramic method and characterized by X-ray diffraction, UV–vis spectroscopy and CIE L*a*b* (Commission ...

    • closedAccess   Study of Sb-doped SnO2 Gray Ceramic Pigment with Cassiterite Structure 

      Tena, M. A.; Sorlí, Silvia; Llusar, Mario; Badenes March, José Antonio; Forés, Ana; Monrós, Guillermo WILEY-VCH Verlag (2005-08)
      In this study, SbxSn1−xO2 (0 ≤ x ≤ 0.5) compositions were synthesized by the ceramic method from Sb2O3-SnO2 and Sb2O5-SnO2 mixtures and characterized by Differential thermal analysis (DTA) and thermogravimetric analysis ...