Enhancement of Adhesion and Triboluminescent Properties of SrAl2O4 : Eu2 + Films Fabricated by RF Magnetron Sputtering and Postannealing Techniques
作者： Hiroshi Yamada , Xiaoyan Fu , Chao-Nan Xu
DOI: 10.1149/1.2772194
关键词: Materials science 、 Radio frequency 、 Composite material 、 Cracking 、 Rough surface 、 Annealing (metallurgy) 、 Amorphous solid 、 Sputter deposition 、 Triboluminescence 、 Nanotechnology
摘要: Strongly adherent SrAl 2 O 4 :Eu films were fabricated on the rough surface of an alumina substrate by a combination radio frequency (rf) magnetron sputtering technique and post-thermal treatment. A crystalline 2+ film was obtained after annealing at 1000°C in reduced atmosphere it exhibited intensely green photolumninscence (PL) triboluminescence (Tribo-L), while as-deposition showed amorphous state weakly red PL. It found that possessed strong durability friction no peeling, cracking, breaking Tribo-L measurements. The mechanism is discussed basis alternative carrier trap model presented Clabau et al. [Chem. Mater., 17, 3904 (2006)].
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