Browsing by Author "Chen, Meei-Ru"
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Item type:Item, Low temperature deposition of high quality single crystalline AlN thin films on sapphire using highly oriented monolayer MoS 2 as a buffer layer(2020-08-15) ;Chien, Hung-Yi ;Kuo, Po-Chun ;Kao, Hui-Ling ;Chen, Jyh-ShinChen, Meei-RuItem type:Item, Optical and Magnetic Properties of Zn1-xMnxO Grown by Plasma-Assisted Molecular Beam Epitaxy(2014-06-01) ;Chou, Wu Ching ;Tzou, An-Jye ;Chen, Hsuan-Shao ;Chien, Kun-FengFan, Wen-ChungZn1-xMnxO films (0 <= x <= 0.070) were grown by plasma-assisted molecular beam epitaxy on Si substrates with AlN buffer layers. For low Mn concentration samples, x <= 0.02, photoluminescence spectra show strong near band edge emission. Strong phonon and exciton coupling-induced resonant Raman scattering was observed. Paramagnetic, antiferromagnetic, and ferromagnetic phases were observed. Room temperature ferromagnetism for all samples was attributed to the bound magnetic polaron effect.