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THE FIELD ION MICROSCOPY OF GOLD

 

作者: D. G. Ast,   D. N. Seidman,  

 

期刊: Applied Physics Letters  (AIP Available online 1968)
卷期: Volume 13, issue 10  

页码: 348-350

 

ISSN:0003-6951

 

年代: 1968

 

DOI:10.1063/1.1652464

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The phenomenon of hydrogen promotion of field evaporation has been applied to the problem of producing stable images of highly perfect gold FIM specimens. Well developed, stable end forms of gold specimens were obtained by first field evaporating the gold specimen in a 0.5% H2&sngbnd;He gas mixture, then removing the hydrogen gas, and finally imaging the surface in a 25% Ne&sngbnd;He gas mixture. The imaging temperature of the specimen was ∼ 16°K. Details of the experimental observations concerning hydrogen promotion of field evaporation, and the characteristics of the gold end form are reported.

 

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