Academic Journal
Critical Step Length as an Indicator of Surface Supersaturation during Crystal Growth from Solution
| العنوان: | Critical Step Length as an Indicator of Surface Supersaturation during Crystal Growth from Solution |
|---|---|
| المؤلفون: | Darkins, Robert, McPherson, Ian J, Ford, Ian J, Duffy, Dorothy M, Unwin, Patrick R |
| المصدر: | Crystal Growth and Design , 22 (2) pp. 982-986. (2022) |
| بيانات النشر: | American Chemical Society (ACS) |
| سنة النشر: | 2022 |
| المجموعة: | University College London: UCL Discovery |
| مصطلحات موضوعية: | Science & Technology, Physical Sciences, Technology, Chemistry, Multidisciplinary, Crystallography, Materials Science, CALCITE GROWTH, KINETICS, PRECIPITATION, MORPHOLOGIES, DEPENDENCE, MECHANISMS, AFM |
| الوصف: | The surface processes that control crystal growth from solution can be probed in real-time by in situ microscopy. However, when mass transport (partly) limits growth, the interfacial solution conditions are difficult to determine, precluding quantitative measurement. Here, we demonstrate the use of a thermodynamic feature of crystal surfaces-the critical step length-to convey the local supersaturation, allowing the surface-controlled kinetics to be obtained. Applying this method to atomic force microscopy measurements of calcite, which are shown to fall within the regime of mixed surface/transport control, unites calcite step velocities with the Kossel-Stranski model, resolves disparities between growth rates measured under different mass transport conditions, and reveals why the Gibbs-Thomson effect in calcite departs from classical theory. Our approach expands the scope of in situ microscopy by decoupling quantitative measurement from the influence of mass transport. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | text |
| اللغة: | English |
| Relation: | https://discovery.ucl.ac.uk/id/eprint/10143346/1/darkins2022critical.pdf; https://discovery.ucl.ac.uk/id/eprint/10143346/ |
| الاتاحة: | https://discovery.ucl.ac.uk/id/eprint/10143346/1/darkins2022critical.pdf https://discovery.ucl.ac.uk/id/eprint/10143346/ |
| Rights: | open |
| رقم الانضمام: | edsbas.FDFDB348 |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |