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2011 IEEE International Vacuum Electronics Conference
- Format:
- Book
- Author/Creator:
- Institute of Electrical and Electronics Engineers, author.
- Language:
- English
- Subjects (All):
- Electronic apparatus and appliances--Congresses.
- Electronic apparatus and appliances.
- Physical Description:
- 1 online resource (xxviii, 536 pages) : illustrations
- Place of Publication:
- [Place of publication not identified] IEEE 2011
- Language Note:
- English
- Summary:
- Why M-type cathode has higher emission performance? This is an undecided important problem for over 20 years. In this article, SRPES is used to study the chemical state of O on the surface of cathodes coated with Os or W film. It can be found that Ba/O and the content of low binding energy O species on the cathode surface coated with Os film are higher than that on W coated film remarkably. It is put forward that the surplus Ba atom is decided by the low binding energy O species. The view can be used to interpret the problem partly mentioned at the beginning.
- Notes:
- Bibliographic Level Mode of Issuance: Monograph
- ISBN:
- 9781424486618
- 1424486610
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