Learn More
We studied the optical properties of as-prepared (amorphous) and thermally crystallized (fcc) flash evaporated Ge 2 Sb 2 Te 5 thin films using variable angle spectroscopic ellipsometry in the photon energy range 0.54-4.13 eV. We employed Tauc-Lorentz model (TL) and Cody-Lorentz model (CL) for amorphous phase and Tauc-Lorentz model with one additional(More)