MOLECULAR-SCALE SURFACE PROCESSES DURING THE GROWTH OF CALCITE IN THE PRESENCE OF MANGANESE
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dc.contributor.author | Astilleros J.M. | |
dc.contributor.author | Pina C.M. | |
dc.contributor.author | Fernndez-daz L. | |
dc.contributor.author | Putnis A. | |
dc.date.accessioned | 2021-04-21T04:39:51Z | |
dc.date.available | 2021-04-21T04:39:51Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=1240052 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 2002, 66, 18, 3177-3189 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/28214 | |
dc.description.abstract | This paper deals with the growth behaviour of the Mn-Ca-CO3-H2O solid solution-aqueous solution system on calcite {104} surfaces. This system represents a model example, which allows us to study the effect of a number of controlling factors on the crystallisation: (1) the supersaturation function, β(x), and nucleation rate function, J(x), for the Mn-Ca-CO3-H2O system, (2) the relationship of such functions to the molecular scale growth mechanisms operating on growing surfaces, and (3) the surface structure of the calcite {104} faces. In situ atomic force microscopy (AFM) growth experiments revealed a wide variety of surface phenomena, such as the transition between growth mechanisms, anisotropic changes in the step rates, and the influence of the Mn-bearing newly formed surface on subsequent growth (step stoppage followed by the formation of two-dimensional nuclei and the reproduction of the original calcite {104} surface microtopography). These phenomena result from the interplay between the controlling parameters and are explained in those terms. | |
dc.title | MOLECULAR-SCALE SURFACE PROCESSES DURING THE GROWTH OF CALCITE IN THE PRESENCE OF MANGANESE | |
dc.type | Статья |
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