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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
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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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
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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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
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
Nita, Pawel ; Pimentel, Carlos ; Luo, Feng ; Milián-Medina, Begoña ; Gierschner, Johannes ; Pina Martínez, Carlos Manuel ; Gnecco, Enrico | Royal Society of Chemistry | 2014The reliability of ultrathin organic layers as active components for molecular electronic devices depends ultimately on an accurate characterization of the layer morphology and ability to withstand mechanical stresses on the nanoscale. To this e[...]texto impreso
Álvarez-Asensio, Rubén ; Moreno Ramírez, Jorge S. ; Pimentel, Carlos ; Casado, Santiago ; Matta, Micaela ; Gierschner, Johannes ; Muccioli, Luca ; Yoon, Seong-Jun ; Varghese, Shinto ; Park, Soo Young ; Gnecco, Enrico ; Pina Martínez, Carlos Manuel | American Physical Society | 2017In this work we present friction-force microscopy (FFM) lattice-resolved images acquired on the (100) facet of the semiconductor organic oligomer (2Z,2'Z) ? 3,3'-(1,4-phenylene)bis(2-(4-butoxyphenyl)acrylonitrile) (?-DBDCS) crystal in water at r[...]
