Información del autor
Autor Pina Martínez, Carlos Manuel |
Documentos disponibles escritos por este autor (101)
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Pina Martínez, Carlos Manuel ; Putnis, Cristine Veta ; Becker, Udo ; Biswas, Subir ; Carrol, E.C. ; Bosbach, Dirk ; Putnis, Andrew | Elsevier | 2004The effect of five phosphonic acids (hydroxyethylene diphosphonic acid, HEDP; nitro trimethyl phosphonic acid, NTMP; methylene diphosphonic acid, MDP; amino methylene phosphonic acid, AMP; and sodium phosphonobutane tricarboxylic acid, PBTC) on [...]texto impreso
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High-resolution friction force microscopy has been performed on the (104) surfaces of dolomite and calcite in deionized water. The two rows of oxygen atoms alternating in a zigzag way on top of both surfaces are resolved with similar contrast wh[...]texto impreso
Gnecco, Enrico ; Fajardo, O.Y. ; Pina Martínez, Carlos Manuel ; Juan J., Mazo | Springer Verlag | 2012The static and kinetic friction experienced by a point mass elastically driven at different angles on surface lattices with square, hexagonal, and honeycomb symmetries are estimated by analytical and numeric calculations based on the Prandtl–Tom[...]texto impreso
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Vilhena, J.G. ; Pimentel, Carlos ; Pedraz, Patricia ; Luo, Feng ; Serena, Pedro A. ; Pina Martínez, Carlos Manuel ; Gnecco, Enrico ; Pérez, Rubén | American Chemical Society | 2016The sliding of a sharp nanotip on graphene completely immersed in water is investigated by molecular dynamics (MD) and atomic force microscopy. MD simulations predict that the atomicscale stick?slip is almost identical to that found in ultrahigh[...]texto impreso
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Despite the fact that dolomite is an ubiquitous rock-forming carbonate in the geological record, the mechanism (or mechanisms) of its formation in nature remain elusive. The solution of such a mineralogical problem does [...]texto impreso
In this paper, we present in situ atomic force microscopy (AFM) observations of the interaction between celestite (SrSO4) (001) surfaces and Na2CO3 aqueous solutions. The observations indicate that the interaction is characterized by a rapid alt[...]texto impreso
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Pina Martínez, Carlos Manuel ; López-Acevedo Cornejo, María Victoria ; Pimentel Guerra, Carlos ; Toja Aguirre, Miguel ; Otero Díaz, Luis Carlos ; Ávila Brande, David ; Arenas Esteban, Daniel ; Crespo López, Ángel | 2019-06-21El objetivo de este proyecto es la creación de nuevo material didáctico para la enseñanza de la cristalografía. En concreto, se presentan videoclips divulgativos sobre la forma y estructura de los cristales, los procesos básicos de cristalizació[...]texto impreso
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The crystallisation behaviour in the SrCl2–Na2SO4–H2O system at room temperature is strongly modified by the presence of dissolved silicon. Homogeneous nucleation experiments show that silicon inhibits the formation of celestite while promoting [...]texto impreso
Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel | Elsevier Science B.V. | 1997The crystallization sequences in the system (NH4)2SO4 Li2SO4-H20 at 50C have been studied for solutions with an initial [(NH4)2SO4]/[LizSO4] molar ratio higher than l. The crystal growth experiments were carried out under isothermal conditions i[...]texto impreso
Checa, Antonio G. ; Mutvei, Harry ; Osuna-Mascaró, Antonio J. ; Bonarski, Jan T. ; Faryna, Marek ; Berent, Katarzyna ; Pina Martínez, Carlos Manuel ; Rousseau, Marthe Rousseau ; Macías-Sánchez, Elena | 2013Nacre tablets of mollusks develop two kinds of features when either the calcium carbonate or the organic portions are removed: (1) parallel lineations (vermiculations) formed by elongated carbonate rods, and (2) hourglass patterns, which appear [...]texto impreso
Checa, Antonio G. ; Bonarski, Jan T. ; Willinger, Marc G. ; Faryna, Marek ; Berent, Katarzyna ; Kania, Bogusz ; González-Segura, Alicia ; Pina Martínez, Carlos Manuel ; Pospiech, Jan ; Morawiec, Adam | The Royal Society | 2013-09-06The calcitic prismatic units forming the outer shell of the bivalve Pinctada margaritifera have been analysed using scanning electron microscopy–electron back-scatter diffraction, transmission electron microscopy and atomic force microscopy. In [...]texto impreso
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Pina Martínez, Carlos Manuel ; Pimentel Guerra, Carlos ; Crespo López, Ángel | Elsevier Science B.V., Amsterdam. | 2020-08-05Dolomite is a carbonate mineral frequently found in sedimentary rocks from Proterozoic to Holocene. In the Iberian Peninsula, dolomites appear in a wide number of geological formations and they can be considered as representative of dolomites cr[...]texto impreso
Pina Martínez, Carlos Manuel ; López-Acevedo, María Victoria | International Union of Crystallography | 2016A careful inspection of the drawings and baked clay models created by the mineralogist Romé de L’Isle in the 18th century has revealed the existence of a number of intriguing forms with pentagonal symmetries. These forms cannot be classified in [...]texto impreso
Benages-Vilau, Raúl ; Calvet, Teresa ; Cuevas Diarte, Miguel Ángel ; Pimentel, Carlos ; Pina Martínez, Carlos Manuel | American Chemical Society | 2013In this article, we present a study of the epitaxial growth of nitratine (NaNO3) on calcite (CaCO3) from ethanolic solutions. By using sodium nitrate saturated solutions in ethanol we were able to observe the initial stages of nitratine crystall[...]texto impreso
Pimentel Guerra, Carlos ; Gnecco, Enrico ; Pina Martínez, Carlos Manuel | American Chemical Society | 2018Growth of otavite (CdCO3) and spherocobaltite (CoCO3) has been promoted on dolomite (10.4) surfaces at room temperature by immersing cleaved dolomite crystals in highly supersaturated solutions with respect to those phases. In situ atomic force [...]texto impreso
Growth of otavite (CdCO3) and spherocobaltite (CoCO3) has been promoted on dolomite (10.4) surfaces at room temperature by immersing cleaved dolomite crystals in highly supersaturated solutions with respect to those phases. In situ atomic force [...]texto impreso
Pimentel, Carlos ; Gnecco, Enrico ; Pina Martínez, Carlos Manuel | American Chemical Society | 2018-09-06Growth of otavite (CdCO3) and spherocobaltite (CoCO3) has been promoted on dolomite (10.4) surfaces at room temperature by immersing cleaved dolomite crystals in highly supersaturated solutions with respect to those phases. In situ atomic force [...]texto impreso
Epitaxial growth of calcite on dolomite and kutnahorite (104) surfaces has been promoted at room temperature by immersing cleavage rhombohedra of these minerals in highly supersaturated solutions with respect to calcite (?calcite = [a(Ca2+)·a(CO[...]texto impreso
Sánchez Pastor, Nuria ; Pina Martínez, Carlos Manuel ; Astilleros García-Monge, José Manuel ; Fernández-Díaz, Lourdes ; Putnis, Andrew | Elsevier | 2005In situ AFM experiments have been conducted in order to obtain information about kinetics of celestite epitaxial growth on barite. Growth has been promoted by passing aqueous solutions supersaturated with respect to celestite over freshly cleave[...]texto impreso
Agmon, Liron ; Shahar, Itai ; Yosufov, Danny ; Pimentel Guerra, Carlos ; Pina Martínez, Carlos Manuel ; Gnecco, Enrico ; Berkovich, Ronen | Nature Publishing Group | 2018-03-16Friction force microscopy (FFM) in aqueous environments has recently proven to be a very effective method for lattice-resolution imaging of crystal surfaces. Here we demonstrate the use of ethanol for similar measurements on water-soluble materi[...]texto impreso
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Pina Martínez, Carlos Manuel ; López Andrés, Sol ; Rull Pérez, Fernando ; Prieto Colorado, Carmelo ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel | Sociedad Española de Mineralogía | 1992The transformation of phosgenite into cerussite in a diffusing-reacting system has been studied. This transformation occurs in a narrow pH range. Mass-transfer and pH evolution in the system during the process was testified. The transformation d[...]texto impreso
Pina Martínez, Carlos Manuel ; López Andrés, Sol ; Rull Pérez, Fernando ; Prieto Colorado, Carmelo ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel | Congreso Geológico de España | 1992The transformation of phosgenite into cerussite in a diffusing-reacting system has been studied. This transformation occurs in a narrow pH range. Mass-transfer and pH evolution in the system during the procesa was testified. The transformation d[...]texto impreso
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Pimentel Guerra, Carlos ; Mougin, Karine ; Gnecco, Enrico ; Pina Martínez, Carlos Manuel | Elsevier | 2020-11-15Cleaved dolomite (CaMg(CO3)2) crystals were immersed in supersaturated, saturated, and undersaturated solutions with respect to zabuyelite (Li2CO3), and the growth process was characterized using atomic force microscopy (AFM) and scanning electr[...]texto impreso
Pina Martínez, Carlos Manuel ; Pimentel Guerra, Carlos ; Gnecco, Enrico | Springer International Publishing Switzerland | 2015Lateral Force Microscopy (LFM) is a very suitable technique to investigate the structure and reactivity of mineral surfaces in liquids. Studies performed in the last two decades have shown that the dissolution and growth of mineral surfaces imme[...]texto impreso
YuHang, Chen ; Asenjo Barahona, Agustina ; Sánchez Pastor, Nuria ; Fernández-Díaz, Lourdes ; Gómez Herrero, Julio ; Pina Martínez, Carlos Manuel | Elsevier | 2007Crystal growth has been promoted in the fluid cell of an Atomic Force Microscope (AFM) by passing Ba–Sr–SO4 aqueous solutions over barite (001) cleavage surfaces. Steps advance in structural continuity with the original barite (001) surfaces and[...]texto impreso
Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; López García, José Ángel ; Prieto Rubio, Manuel | Elsevier Science B.V. | 1995Isothermal crystallization in the system Na2SO4-Li2SO4-H20 was carried out at 50°C by "salting out" in a tetrametoxysilane (TMS) gel medium. Under these conditions the solid phases that can crystallize are Na2SO4, Li2SO4 . H20 and ?-LiNaSO4, dep[...]texto impreso
The trigonal b-LiNaSO4 low temperature polymorph belongs to the family of double sulphates with general formula LiMSO4 (M ¼ Na; NH4, Rb,y), which have very specific electrical properties. In this paper we present the b-LiNaSO4 theoretical growth[...]texto impreso
In this paper, we present high-resolution friction force microscopy (FFM) images of the (100) face of kyanite (Al2SiO5) immersed in water. These images show an almost rectangular lattice presumably defined by the protruding oxygen of AlO6 polyhe[...]texto impreso
In this paper we present high resolution atomic force microscopy (AFM) images of dolomite (104) cleavage surfaces immersed in pure water. These images show a rectangular lattice with surface unit cell dimensions in general agreement with those d[...]texto impreso
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[...]