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EnglishSeveral samples of m-ZrO2, characterized by different degrees of sinterization, were studied by FTIR and computer graphics. Crystallites of m-ZrO2 fired at high temperatures present a fairly regular termination, mostly along the (111) plane. When highly dehydrated, these materials adsorb CO in an ordered way, forming various CO clusters characterized by different degree of dipole-dipole interaction. If CO2 is pre-adsorbed, surface carbonate-like species are formed which interrupt the ordered formation of CO clusters and the extent of the surface dipole-dipole interactions.
| Titolo: | A surface study of monoclinic ZrO2 | |
| Autori Riconosciuti: | ||
| Autori: | G. Cerrato; S. Bordiga; S. Barbera; C. Morterra | |
| Data di pubblicazione: | 1997 | |
| Abstract: | Several samples of m-ZrO2, characterized by different degrees of sinterization, were studied by FTIR and computer graphics. Crystallites of m-ZrO2 fired at high temperatures present a fairly regular termination, mostly along the (111) plane. When highly dehydrated, these materials adsorb CO in an ordered way, forming various CO clusters characterized by different degree of dipole-dipole interaction. If CO2 is pre-adsorbed, surface carbonate-like species are formed which interrupt the ordered formation of CO clusters and the extent of the surface dipole-dipole interactions. | |
| Volume: | 377-379 | |
| Pagina iniziale: | 50 | |
| Pagina finale: | 55 | |
| Parole Chiave: | CO/CO2 adsorption; Monoclinic ZrO2; Surface structure. | |
| Rivista: | SURFACE SCIENCE | |
| Appare nelle tipologie: | 03A-Articolo su Rivista |
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http://hdl.handle.net/2318/57080
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