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Type: 
Journal
Description: 
Incorporation of dopants in semiconductors is commonly used to modify the optical response and improve the efficiency of related devices. A physical understanding with elemental and local sensitivity of the electron excitation and trapping channels which follow photoexcitation is a prerequisite for knowledge-based materials design. By using high-resolution x-ray absorption methods we show that, in V-doped Ti O 2 nanoparticles, subband-gap visible light absorption is predominantly due to excitation of electrons from V ...
Publisher: 
American Physical Society
Publication date: 
7 Jul 2017
Authors: 

Giacomo Rossi, Marco Calizzi, Lucia Amidani, Andrea Migliori, Federico Boscherini, Luca Pasquini

Biblio References: 
Volume: 96 Issue: 4 Pages: 045303
Origin: 
Physical Review B