High-resolution imaging of (100) kyanite surfaces using friction force microscopy in water

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2015 Spain English Publisher:Elsevier BVJournal:Surface Science, volume 635, pages 123-127 (issn: 0039-6028,

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Authors: Pimentel, Carlos; Gnecco, Enrico; Pina Martínez, Carlos Manuel;

doi: 10.1016/j.susc.2015.01.008

handle: 20.500.14352/34079 , 10261/117575 , 20.500.12614/1193

High-resolution imaging of (100) kyanite surfaces using friction force microscopy in water

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Abstract

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 polyhedra. Surface lattice parameters measured on two-dimensional fast Fourier transform (2D-FFT) plots of recorded high-resolution friction maps are in good agreement with lattice parameters calculated from the bulk mineral structure. Friction measurements performed along the [001] and [010] directions on the kyanite (100) face provide similar friction coefficients μ ≈ 0.10, even if the sequences of AlO6 polyhedra are different along the two crystallographic directions.

Country

Spain

Related Organizations

Spanish National Research Council
Spain
Madrid Institute for Advanced Studies
Spain
Instituto de Geociencias
Spain
IMDEA Nanoscience
Spain
Complutense University of Madrid
Spain

Keywords

Cristalografía (Geología), Nanotribology, 548, Mineral surfaces, Cristalografía, Friction force microscopy, Aqueous environments, Kyanite, Aqueous environment

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