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Real-Time Investigation of Potassium Growth by Surface Differential Reflectance Spectroscopy

✍ Scribed by Borensztein, Y. ;Beitia, C. ;Barrera, R.G.

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 162 KB
Volume: 170
Category: Article
ISSN: 0031-8965
DOI: 10.1002/(sici)1521-396x(199812)170:2<221::aid-pssa221>3.0.co;2-i

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✦ Synopsis

The growth of potassium discontinuous films onto a low-temperature oxidized silicon substrate has been followed in real-time by surface differential reflectance spectroscopy. The energy positions of the plasma resonances in the potassium particles and their changes as a function of the amount of potassium are related to the shape of the particles and to their interaction. Three stages in the formation of the film are determined: (i) nucleation of small spherical particles, (ii) growth and flattening of the particles, (iii) coalescence.

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