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Gold deposition from a scanning tunneling microscope tip

 

作者: H. J. Mamin,   S. Chiang,   H. Birk,   P. H. Guethner,   D. Rugar,  

 

期刊: Journal of Vacuum Science&Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena  (AIP Available online 1991)
卷期: Volume 9, issue 2  

页码: 1398-1402

 

ISSN:1071-1023

 

年代: 1991

 

DOI:10.1116/1.585205

 

出版商: American Vacuum Society

 

关键词: GOLD;DEPOSITION;SCANNING TUNNELING MICROSCOPY;ULTRAHIGH VACUUM;PLATINUM;FIELD EMISSION;HIGH TEMPERATURE;MEDIUM TEMPERATURE;Au

 

数据来源: AIP

 

摘要:

We have demonstrated that a gold scanning tunneling microscope (STM) tip can be used as a miniature solid‐state emission source for directly depositing nanometer‐size gold structures. The process has been demonstrated in ultrahigh vacuum on gold substrates, and in air on gold and platinum substrates. Studies made in air suggest that the process is fast, repeatable, and field‐induced. The emission mechanism is believed to be field evaporation of tip atoms, which is enhanced by the close proximity of the substrate. The technique has been used to write several thousand features with no apparent degradation of the tip’s ability to write. Elevated and room temperature studies show the written structures to be stable over periods of weeks, in contrast to some previous STM measurements of gold self‐diffusion.

 

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