磷化氢调制InP的MOCVD生长

M.K. Lee, C. Hu, M. Lin
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引用次数: 0

摘要

利用传统的金属-有机化学气相沉积(MOCVD)技术,开发了一种新的磷化氢调制外延生长工艺。通过这种方法,磷化氢在每个循环中被关闭很短的时间,并提供了一个富金属的生长表面。由于铟原子的表面迁移率高于InP分子,晶体质量得到了显著改善。在最佳生长条件下,在77 K下获得了5.6 meV的光致发光全宽。
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MOCVD growth of InP by phosphine modulation
A new epitaxial growth process was developed using phosphine modulation using conventional metal-organic chemical vapor deposition (MOCVD). With this method, phosphine was switched off a short time in each cycle and provided a metal-rich growth surface. With higher surface mobility of indium atoms than that of InP molecules, crystal quality was improved significantly. Photoluminescence full width at half maximum of 5.6 meV at 77 K was achieved under optimum growth conditions.<>
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