Rare Earth Point Defects in GaN - Rare Earth Doping for Photonic Applications: A Theoretical Investigation

by Sanna, Simone
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Sanna, Simone Rare Earth Point Defects in GaN - Rare Earth Doping for Photonic Applications: A Theoretical Investigation
Sanna, Simone - Rare Earth Point Defects in GaN - Rare Earth Doping for Photonic Applications: A Theoretical Investigation

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Description

In the last decade there has been considerable research activity in doping wide band gap semiconductors with rare earth ions (RE). Eu, Er, and Tm doping leads to the emission of visible light in narrow bands in the red, green, and blue, respectively. This allows for the realization of high brightness light emitters with outstanding durability and long lifetime. Nevertheless, the knowledge of the mechanisms underlying the RE active ion luminescence is required for the realization of efficient devices. The rare earth incorporation, i.e. the RE lattice location, the position of the energy levels of the RE with respect to the host valence and conduction bands, as well as a detailed investigation of the involved energetic relationships have to be determined and understood. Here we review the results of state of the art first-principles investigations on Eu, Er and Tm doping in GaN. The results of the simulations, including lattice location, defect symmetry, and electronic configuration of the RE are presented and compared with experimental results.

Contributors

Author:
Sanna, Simone

Further information

Biography Artist:
Dr. Simone Sanna was born in Cagliari (Italy) on the 1 Nov. 1977. He studied Physics at "Universitá degli studi di Cagliari", where he got his diploma in theoretical physics. Thereafter he moved to Paderborn (Germany), where he got his Ph.D title in Physics. Currently he is researcher at the "Universität Paderborn".
Language:
English
Number of Pages:
276
Media Type:
Softcover
Publisher:
Südwestdeutscher Verlag für Hochschulschriften

Master Data

Product Type:
Paperback book
Package Dimensions:
0.22 x 0.15 x 0.016 m; 0.458 kg
GTIN:
09783838121949
DUIN:
H27QM0BR3Q5
$131.99
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