NDLI: A single-atom sharp iridium tip as an emitter of gas field ion sources.

Content Provider	Semantic Scholar
Author	Kuo, Hong-Shi Hwang, Ing-Shouh Fu, Tsu-Yi Hwang, Ying-Siang Lu, Yi-Hsien Lin, Chun-Yueh Tsong, Tien T.
Copyright Year	2009
Abstract	We report a reliable method for preparing a pure Ir single-atom tip by thermal treatment in oxygen. The atomic structure of the tip apex and its ion emission characteristics are investigated with field ion microscopy. We have shown that the Ir single-atom tip can be a good field ion emitter, capable of emitting a variety of gas ion beams, such as He+, H2+, N2+, and O2+, with high brightness and stability. In addition, this tip can easily be maintained and regenerated in vacuum, ensuring it has sufficient lifetime for practical applications.
Starting Page	335701
Ending Page	335701
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1088/0957-4484/20/33/335701
PubMed reference number	19636091
Journal	Medline
Volume Number	20
Issue Number	33
Alternate Webpage(s)	http://www.phys.sinica.edu.tw/~nano/publication/2009/09_NT_02.pdf
Alternate Webpage(s)	https://doi.org/10.1088/0957-4484%2F20%2F33%2F335701
Journal	Nanotechnology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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A single-atom sharp iridium tip as an emitter of gas field ion sources.