排序方式: 共有17条查询结果,搜索用时 15 毫秒
1.
We report the effects of post-thermal treatment on the quality of 2-inch 6H-SiC wafer cut from a crystal boule grown by physical vapour transportation method. The full widths at half maximum of x-ray diffraction rocking curves measured on sites across the 2-inch wafer become narrower, indicating the quality improvement after a three-step post-thermal treatment. It is found that the most common defects such as micropipes and inclusions can be significantly reduced after the treatment. Our results show that the post-thermal treatment is an effective route to improve the quality of SiC single crystals. 相似文献
2.
肖定全、王 民两位教授编著的《晶体物理学》一书在四川大学出版社出版后,在国内外受到广泛的欢迎,甚至许多华侨学者、日本同仁及港、台同胞当面成写信索书,更有意义的是有的做晶体买卖的商人也希望得到这本书.值此中国人工晶体研究在国际上享有很高声誉的今天,《晶体物理学》一书的出版是十分及时的,是非常有意义的. 肖定全教授任教于四川大学,王 民教授任教于山东大学.他们一方面任教,一方面作晶体材料的科学研究,同时又参加国内外晶体物理研究的学术活动.所以他们清楚地了解国内外晶体材料和晶体物理的现状、水平和发展趋势.这本书既总结… 相似文献
3.
4.
5.
6.
7.
8.
9.
10.