现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
这些稀土材料可应用于磁铁和半导体的生产，并被应用于一系列其他技术中。
They are used in magnets and semiconductors and a host of other technologies.
我们主要注意磁光型存储的非晶态稀土-过渡金属合金薄膜和相变型光存储的非晶态半导体薄膜两个方面。
The main attention has been paid on amorphous rare earth- transition metal alloy films for magneto-optical storage and amorphous semiconductor films for phase change optical storage.
利用离子注入技术，对稀土掺杂到半导体单晶硅中的光致发光行为进行了研究。
The photoluminescence properties of rare earth doped silicon were investigated with ion beam technique.
利用离子注入技术，对稀土掺杂到半导体单晶硅中的光致发光行为进行了研究。
The photoluminescence properties of rare earth doped silicon were investigated with ion beam technique.
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