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Stacking transformation and defect creation in Cs intercalated TiS2 single crystals |
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| Affiliation: | a J. Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia b Department of Physics, Göteborg University and Chalmers University of Technology, SE-412 96 Göteborg, Sweden |
| Abstract: | The intercalation of TiS2 single crystals with Cs was studied by transmission electron microscopy. Evidence was found for an intercalation induced 1T→3R structure transformation. The Cs+ ions formed an structure. In the thinnest parts of the crystals, the intercalation induced cracks and moiré fringes. In thicker parts the 1T→3R transformation was frustrated, with formation of intercalation ribbons and dislocation loops. Air exposure resulted in de-intercalation and oxidation of Cs. The results emphasise the connections between defects and intercalation. |
| Keywords: | Caesium Defects Intercalation TiS2 Transition metal dichalcogenides |
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