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Synthesis and optical properties of Nd~(3+)-doped Y_3Al_5O_(12) nanoceramics

机译:Nd〜(3+)掺杂Y_3Al_5O_(12)纳米陶瓷的合成及光学性质

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摘要

The Nd-doped yttrium aluminum garnet (Nd:YAG) nanocrystallites were prepared by the sol-gel method. The preparation technology for semi-transparent ceramics is described. Their structure and morphology were studied by XRD. The emission properties of Nd:YAG measured for nanopowders and ceramics are reported. In particular the spectra were measured as a function of excitation power. It was found that with increasing excitation power, there was increased emission from the ~4F_(5/2) state. The effect of grain size on luminescence properties was observed.
机译:通过溶胶-凝胶法制备了掺钕钇铝石榴石(Nd:YAG)纳米微晶。描述了半透明陶瓷的制备技术。用XRD研究了它们的结构和形态。报告了Nd:YAG对纳米粉末和陶瓷的发射特性。特别地,光谱被测量为激发功率的函数。发现随着激励功率的增加,〜4F_(5/2)状态的发射增加。观察到晶粒尺寸对发光性质的影响。

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