Photoelectric Studies as the Key to Understanding the Nonradiative Processes in Chromium Activated NIR Materials
Natalia Majewska,
Mu-Huai Fang,
Sebastian Mahlik
Abstract:In this study, we synthesized a series of Ga 1.98−x In x O 3 :0.02Cr 3+ materials with varying x values from 0.0 to 1.0, focusing on their broadband near-infrared emission and photoelectric properties. Interestingly, photocurrent excitation spectra exhibited behavior consistent with the absorption spectra, indicating the promotion of carriers into the band structure by the 4 T 1 , and 4 T 2 states of Cr 3+ ions. This association suggests that photocurrent in this material is influenced not only by valence to c… Show more
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