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Cesium encapsulation in single-walled carbon nanotubes via plasma ion irradiation: Application to junction formation andab initioinvestigation
2003
Physical Review B (Condensed Matter)
Using an approach different from the conventional vapor doping methods, Cs positive ions in a magnetizedplasma column are irradiated upon a negatively biased substrate which is covered with dispersed single-walled carbon nanotubes ͑SWNTs͒. The Cs ions are evidently observed inside SWNTs by the Z-contrast method in scanning transmission electron microscopy, demonstrating the formation of alkali-metal encapsulating SWNTs. Ab initio band structures and density of states for the light and heavy
doi:10.1103/physrevb.68.075410
fatcat:tkjcet6u7jay3avwwpyw7xofyi