Browsing by Author "Rammensee W."
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Browsing by Author "Rammensee W."
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Aldushin K.; Jordan G.; Rammensee W.; Schmahl W.W.; Becker H.W. (2004)Depending on pH and temperature, two different types of surface reactions occur on the apophyllite (001) surface in aqueous HCl-solutions at temperatures from 20 to 130 °C. At low pH, laterally spreading hillocks cover the ...
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Roselieb K.; Büttner H.; Rosenhauer M.; Rammensee W. (1995)Noble gas sorption experiments were performed in an internally heated pressure vessel at pressures of 1000 and 2500 bar and temperatures of 800°C on vitreous NaAlSi3O8 (albite) and NaAlSi2O6 (jadeite), and at 1200°C on ...
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Jordan G.; Rammensee W. (1996)Scanning Force Microscopy (SFM) was used to develop a method which can provide quantitative kinetic data of crystal growth and dissolution. Based on observations of single crystal faces in monolayer resolution, morphology ...
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Jordan G.; Rammensee W. (1998)This paper reports on our use of scanning force microscopy (SFM) to study calcite dissolution rates. Until now, calculation of rates has been limited to surfaces on which steps retreat at an isotropic velocity. More commonly, ...
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Roselieb K.; Blanc P.; Buttner H.; Jambon A.; Rammensee W.; Rosenhauer M.; Vielzeuf D.; Walter H. (1997)We have conducted Ar sorption experiments on two varietis of natural quartz minerals (Q112, Q113) and a synthetic one (QHE37). Runs were performed in an internally heated pressure vessel at 1300°C and pressures of up to ...
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