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Quantitative Analysis of Submonolayer Si on Ge Surface by Isotope Dilution Secondary Ion Mass Spectrscopy

Izumi KAWASHIMA, Yasuo TAKAHASHI, Tsuneo URISU

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Summary :

Isotope dilution secondary ion mass spectroscopy (ID-SIMS) using 30Si as a spike is investigated as a quantitative analysis method for trace amounts of Si. For a standard solution of Si, the relateve standard deviation of results using this method is 5% for 0.2 µg Si, and the determination lower limit is 18 ng. Using this method, the amount of Si deposited on the Ge(100) surface by the self-limited adsorption of SiH2Cl2 is determined to be about 1.00.2 monolayer.

Publication
IEICE TRANSACTIONS on Electronics Vol.E75-C No.9 pp.986-989
Publication Date
1992/09/25
Publicized
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Type of Manuscript
Special Section PAPER (Special Issue on Silicon Devices and Materials)
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