Publication details
Effect of Fe doping on optical properties of freestanding semi-insulating HVPE GaN:Fe
| Authors | |
|---|---|
| Year of publication | 2010 |
| Type | Article in Periodical |
| Magazine / Source | Journal of crystal growth |
| MU Faculty or unit | |
| Citation | |
| Field | Solid matter physics and magnetism |
| Keywords | Fe-doping; optical characterization; hydride vapor phase epitaxy; nitrides |
| Description | Systematic study of optical properties of undoped and Fe-doped substrates grown by hydride vapor phase epitaxy has revealed a strong dependence of the photoluminescence, transmission, reflectivity and ellipsometric spectra on the Fe-doping level. The changes of the near-band-gap transmission, reflectivity and photoluminescence has been observed and ascribed to the absorption introduced by the density of states tails, and the Fe3+ -ions incorporated in the GaN-lattice. Several approaches towards quantifying the Fe-doping level are suggested. |
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