STRUCTURE OF THE ORTHOCLASE (001)- AND (010)-WATER INTERFACES BY HIGH-RESOLUTION X-RAY REFLECTIVITY
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dc.contributor.author | Fenter P. | |
dc.contributor.author | Cheng L. | |
dc.contributor.author | Park C. | |
dc.contributor.author | Zhang Z. | |
dc.contributor.author | Sturchio N.C. | |
dc.date.accessioned | 2022-01-01T05:41:00Z | |
dc.date.available | 2022-01-01T05:41:00Z | |
dc.date.issued | 2003 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=5119649 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 2003, 67, 22, 4267-4275 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/33982 | |
dc.description.abstract | High-resolution in situ X-ray specular reflectivity was used to measure the structures of orthoclase (001) and (010) cleavage surfaces in contact with deionized water at 25°C. X-ray reflectivity data demonstrate a high degree of structural similarity between these two orthoclase-water interfaces. Both interfacial structures include cleavage along the plane of minimal bond breakage resulting in surfaces terminated by non-bridging oxygens; structured water within 5 A of the orthoclase surface (consisting of adsorbed species at the surface and layered water above the surface), with a featureless water profile beyond 5 A; substitution of outermost K+ ions by an oxygen containing species (presumably H3O+); and small structural displacements of the near surface atoms. The interfacial water structure, in comparison with recent results for other mineral-water interfaces, is intermediate between the minimal structure found at calcite-, barite-, and quartz-water interfaces and the more extensive structure found at the muscovite-water interface. | |
dc.title | STRUCTURE OF THE ORTHOCLASE (001)- AND (010)-WATER INTERFACES BY HIGH-RESOLUTION X-RAY REFLECTIVITY | |
dc.type | Статья |
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