Structure and Luminescence Properties of Eu3+ and Dy3+ Co-implanted AlN Films

被引:1
作者
Ma Hai [1 ]
Wang Xiao-dan [1 ]
Li Xiang [1 ]
Wang Dan [1 ]
Mao Hong-min [1 ]
Zeng Xiong-hui [2 ]
机构
[1] Suzhou Univ Sci & Technol, Sch Math & Phys, Jiangsu Key Lab Micro & Nano Heat Fluid Flow Tech, Suzhou 215009, Jiangsu, Peoples R China
[2] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Optoelectronics; Aluminum nitride; Europium; Dysprosium; Strain; Cathodoluminescence; Energy transfer; SAPPHIRE; STRESS; GAN;
D O I
10.3788/gzxb20204908.0831001
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Dy3+ and Eu3+ ions with different doses were implanted into AlN thin films grown by hydride vapor phase epitaxy method. For Dy doped AlN, results of X ray diffraction and Raman scattering show that the compressive stress of the sample increases with the increase of Dy3+ dose. When the Dy3+ dose increases from 5 x 10(14) at/cm(2) to 1 x 10(15) at/cm(2), the compressive stress of samples is close to saturation. For Dy3+ and Eu3+ co-doped AlN, according to the cathodoluminescence spectra, a possible energy transfer process between Dy3+ and Eu3+ is proposed. In addition, through changing the dose ratio of Dy3+ respect to Eu3+ ions, the chromaticity coordinates and color temperatures of Dy3+ and Eu3+ co-doped AlN can be effectively regulated.
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页数:7
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