Browsing by Author "Tzeng, Tai-Cheng"

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Growth and Field Emission of Reactive Sputtered Pd-PdO Core-Shell Nanoflakes on Platinum
(2009)
Huang, Chien-Jung
;
Pan, Fu-Ming
;
Tzeng, Tai-Cheng
;
Li-Chang
;
Sheu, Jeng-Tzong
Palladium oxide (PdO) was deposited on platinum by reactive sputter deposition, and the PdO thin film grown on the Pt substrate had a flakelike morphology. The nanosized flake had a core-shell structure with a single Pd grain encapsulated by a crystalline PdO surface layer. The formation of the PdO capped nanoflakes was ascribed to a large interfacial stress due to a lattice mismatch between PdO and Pt. Field emission characteristics of the nanoflakes were studied and a field-enhancement factor of 791 was obtained.