VERY SHARP GOLD AND PLATINUM TIPS TO MODIFY GOLD SURFACES IN SCANNING-TUNNELING-MICROSCOPY

被引：52

作者：

LIBIOULLE, L ^{[1
]}

HOUBION, Y ^{[1
]}

GILLES, JM ^{[1
]}

机构：

[1] FAC UNIV NOTRE DAME PAIX, INST STUDIES INTERFACE SCI, UNITE INTERFAC MICROSCOPIE ELECTR, B-5000 NAMUR, BELGIUM

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1995年 / 13卷 / 03期

关键词：

D O I：

10.1116/1.587847

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：

To induce modifications of gold (111) surface using a scanning tunneling microscope, we have developed new electrochemical procedures to obtain very sharp gold and platinum tips. The resulting geometry is very reproducible and the mean curvature radius is 10 and 5 nm for the two materials, respectively. We have studied the formation of mounds and holes obtained by applying voltage pulses using these prepared tips. The resulting modifications of sample and tip geometry are observed. The threshold pulse amplitude is related to the tip to sample distance and the material transfer is described as a metal-metal bonding.

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页码：1325 / 1331

页数：7

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