SCANNING TUNNELING MICROSCOPE LASER FABRICATION OF NANOSTRUCTURES

被引:22
作者
YAU, ST
SALTZ, D
NAYFEH, MH
机构
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1991年 / 9卷 / 02期
关键词
D O I
10.1116/1.585199
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We have developed a technique to write nanometer-scale features on surfaces. The technique combines two of the most advanced technologies: the laser and the scanning tunneling microscope (STM). Laser radiation is used to break the chemical bonds of trimethylaluminum to free aluminum atoms in the region of the tunneling gap of the STM. The atoms are subsequently selectively excited and ionized. The ions are then driven softly toward the surface where they are deposited by the field in the tunneling gap of the microscope. Since the field of the tip can be confined to a few nanometers, the writing can be controlled with such resolution. The technique is also capable of filling holes and addressable nondestructive erasing.
引用
收藏
页码:1371 / 1375
页数:5
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