排序方式: 共有47条查询结果,搜索用时 15 毫秒
1.
THEBEHAVIORSOF48keVSiIONSIMPLANTEDINTO(100)GaASLiuHuizhen(刘惠珍);CaoDexin(曹德新);ZhuDezhang(朱德彰);ZhuFuying(朱福英)andCaoJianqing(曹建清... 相似文献
2.
秀卢瑟福背散射-沟道技术(RBS-C)和X射线衍射技术(XRD)研究了Pt和注入YSZ(Y2O3稳定的ZrO2)后产生的损伤和退火过程中损伤的恢复及注入Pt的晶化,RBS-C分析表明YSZ室温下的存在较强自退火效应,XRD分析结果示出硫以铂的晶化产生很大影响。 相似文献
3.
4.
5.
7.
The competing reactions between existing Ni silicides surrounded by Si and Ni were investigated by thermal annealing and MeV Si ion beam mixing. With high energy irradiation, the energy deposition at both interfaces, Ni/Ni silicide and Ni silicide/Si, is equal. Two MeV He~- RBS and TEM were used to obtain the reacted layer composition and epitaxial orientation, respectively. Also glancing angle Co K_a. X-ray diffraction was utilized to identify phase formation. The main results indicate that the existing silicides preferentially react with Ni layer, and that there are pronounced differences of Ni silicide phase transition between thermal annealing and MeV Si ion beam mixing, even though the mixing was performed in radiation enhanced diffusion regime. The results can be explained in term of the heat of silicide formation and surface energy change. 相似文献
8.
9.
高度定向的碳纳米管阵列的制备 总被引:1,自引:0,他引:1
使用99.99%的铝片.在草酸溶液中,通过基于自组织基础上的二次氧化法制备了孔高度有序、六角排列的氧化铝模板,在微米尺寸区域内获得了高度平行的氧化铝纳米孔阵列。利用化学气相沉积技术(CVD),在没有任何过渡金属催化剂的情况下,利用多孔氧化铝模板本身的催化作用,在氧化铝模板孔内成功制备了高度有序的平行碳纳米管阵列,这种碳纳米管阵列可以作为研究离子束沟道传输特性的较理想材料。利用扫描电子显微镜(SEM)和电子背散射衍射(EBSD)等测试手段对铝片、氧化铝模板和碳纳米管的结构进行了表征。讨论了氧化铝模板的形成机制和基于氧化铝模板生长高度定向碳纳米管的条件。 相似文献
10.