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Autor Pina Martínez, Carlos Manuel |
Documentos disponibles escritos por este autor (101)
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Little is known about the physico-chemical processes that lead to the formation of dolomite in nature. Issues requiring further investigation include: (1) the role played by amorphous carbonate precursors, (2) the mechanisms of transformation of[...]texto impreso
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Pérez Garrido, Carlos ; Fernández-Díaz, Lourdes ; Pina Martínez, Carlos Manuel ; Prieto Rubio, Manuel | Elsevier | 2007In situ atomic force microscopy (AFM) observations of the interaction between calcite ð1014Þ surfaces and Cd-bearing aqueous solutions have been carried out, by maintaining the solutions static in the AFM fluid cell. The interaction involves the[...]texto impreso
Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel ; Putnis, Andrew | Elsevier Science Ltd | 2000The dissolution–reprecipitation reaction of phosgenite (Pb2Cl2CO3) to cerussite (PbCO3) has been observed in situ in a fluid cell of an atomic force microscope (AFM). The (001) face of phosgenite, in contact with static carbonated aqueous soluti[...]texto impreso
Crystal growth inhibition by non-incorporating impurities has been described and quantified since 1958 by the so-called step pinning model by Cabrera and Vermilyea [1]. In the original model, as well as in its recent improvements by Weaver et al[...]texto impreso
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Gómez, Santiago de Antonio ; Pina Martínez, Carlos Manuel ; Martín-Bragado, Ignacio | American Chemical Society | 2013In this paper, we present simulations of twodimensional islands on the barite (001) face. These simulations were performed with MMonCa, a computer code based on the kinetic Monte Carlo technique. Our results are in excellent agreement with previ[...]texto impreso
López-Acevedo, Victoria ; Pina Martínez, Carlos Manuel | Universidad Complutense de Madrid | 2015-02Tanto los cristales como los cuasicristales están formados por infinidad de átomos ordenados. La diferencia radica en que, en los primeros, este orden es periódico, mientras que en los cuasicristales, no lo es y muestran simetrías consideradas “[...]texto impreso
La Cristalografía es la ciencia que estudia la estructura, propiedades y formación de los cristales, así como la interacción de éstos con la radiación. El desarrollo de la Cristalografía como una ciencia moderna es el resultado de un esfuerzo ex[...]texto impreso
Astilleros García-Monge, José Manuel ; Pina Martínez, Carlos Manuel ; Fernández Díaz, Lurdes ; López Andrés, Sol | Wiley-VCH Verlag | 1998The crystallisation of malachite has been studied in a system involving the counter diffusion of Cu2+ and CO3 through a silica gel column at 25 ºC. In such a system supersaturation is a function of time and position along gel column. Under these[...]texto impreso
Heydenreich, Gunnar ; Spring, Marika ; Stillhammerova, Martina ; Pina Martínez, Carlos Manuel | James & James | 2005Malachite of spherulitic particle form is generally thought to be synthetic in origin. However, it could be mineral malachite formed by natural precipitation from flowing water. Agricola described a source of this type in Neusohl (Banská Bystric[...]texto impreso
Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel ; Veintemillas Verdagher, Sabino | Elsevier Science B.V. | 2001In this paper we derive equations for evaluating the supersaturation, b, and the supersaturation rate, Rb, for the drowning-out crystallisation under isothermal conditions and assuming a constant rate of the addition of the co-solvent. Such equa[...]texto impreso
Astilleros García-Monge, José Manuel ; Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Putnis, Andrew | Elsevier Science B.V., Amsterdam. | 2003In situ atomic force microscopy (AFM) experiments, scanning electron microscopy (SEM) imaging and composition analysis, and X-ray diffraction have provided information about the growth, dissolution and transformation processes promoted by Sr2 + [...]texto impreso
Pina Martínez, Carlos Manuel ; Bosbach, Dirk ; Prieto Rubio, Manuel ; Putnis, Andrew | Elsevier Science B.V. | 1998Under moderate supersaturation conditions, crystal growth on the barite (0 0 1) surface takes place by the development of two-dimensional nucleation simultaneously with the advancement of molecular-height cleavage steps on the surface. The most [...]texto impreso
López-Acevedo, Victoria ; Pina Martínez, Carlos Manuel ; Vindel, Elena ; Pimentel Guerra, Carlos ; Otero Díaz, Luis Carlos ; Ávila Brande, David ; Crespo López, Ángel | 2016-03-14En este trabajo se aborda el diseño y la construcción de modelos de las cinco redes planas (oblicua, rectangular, rómbica, cuadrada y hexagonal) sobre los que se pueden situar sus elementos de simetría (ejes de rotación, planos de simetría y pla[...]