Combination of Synchrotron Ellipsometry and Table-Top Optical Measurements for Determination of Band Structure of DLC Films
| Autoři | |
|---|---|
| Rok publikování | 2011 |
| Druh | Článek v odborném periodiku |
| Časopis / Zdroj | Thin Solid Films |
| Fakulta / Pracoviště MU | |
| Citace | |
| www | http://dx.doi.org/10.1016/j.tsf.2010.12.059 |
| Doi | https://doi.org/10.1016/j.tsf.2010.12.059 |
| Obor | Fyzika pevných látek a magnetismus |
| Klíčová slova | diamond-like carbon; amorphous hydrogenated carbon; optical properties; band structure |
| Popis | Model of the DLC band structure that took into account valence to conduction band transitions, pi-to-pi* and sigma-to-sigma*, and valence to extended states transitions sigma-to-xi* was confirmed by using the synchrotron ellipsometry at BESSY II in the range 5–30 eV combined with table-top ellipsometry and spectrophotometry in UV-IR range. The range up to 30 eV covered all the transitions from valence to conduction bands because the maximum energy transition of pi-to-pi* and sigma-to-sigma* were 9.03 and 28.1 eV, respectively. The band gaps of these transitions were 0.75 and 4.74 eV, respectively. |
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