Luminescence properties of thin film Ta2Zn3O8 and Mn doped Ta2Zn3O8

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Title: Luminescence properties of thin film Ta2Zn3O8 and Mn doped Ta2Zn3O8
Author: Rack, Phillip; Potter, Michael; Kurinec, Santosh; Park, Wounjhang; Penczek, John; Wagner, Brent; Summers, Christopher
Abstract: Blue luminescence from TaZZn30g and green luminescence from Mn doped TaZZn30g has been observed under low voltage cathodoluminescent excitation, In this article , the luminescence mechanisms of TaZZn30g and Mn doped TaZZn30 g are discussed in detail. The results suggest that the intrinsic blue luminescence of TaZZn30g results from a metal-to-ligand transition, whereas the green luminescence of Mn doped TaZZn30g results from the Mn 4T 1-6A I transition. The suppression of the blue intrinsic luminescence in Mn doped TaZZn30g suggests that efficient energy transfer from the host material to the Mn occurs. This energy transfer phenomenon is also discussed by comparing the photoluminescence excitation spectra of both thin film materials. Finally, the relative efficiency versus voltage and current density is demonstrated and discussed pertaining to field emission device operation.
Description: Journal of Applied Physics article. Please see www.aip.org for more information.
Record URI: http://hdl.handle.net/1850/9954
Date: 1998-10-15

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