Comprehensive Raman study of orthorhombic κ/ε-Ga<sub>2</sub>O<sub>3</sub>and the impact of rotational domains
Benjamin M. Janzen, Piero Mazzolini, Roland Gillen, Vivien F. S. Peltason, Linus P. Grote, Janina Maultzsch, R. Fornari, Oliver Bierwagen, Markus R. Wagner
Abstract
The Raman-active phonon modes of orthorhombic gallium oxide (κ/ε-Ga 2 O 3 ) are investigated by combination of polarized micro-Raman spectroscopy and density functional perturbation theory (DFPT) calculations.
Topics & Concepts
Orthorhombic crystal systemRaman spectroscopyMaterials sciencePhononDensity functional theoryGalliumPerturbation theory (quantum mechanics)Gallium oxideMolecular physicsCondensed matter physicsCrystallographyComputational chemistryCrystal structureOpticsPhysicsQuantum mechanicsChemistryMetallurgyGa2O3 and related materialsZnO doping and propertiesAdvanced Photocatalysis Techniques