Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
53 (1988), S. 1396-1398
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Thermal desorption experiments concerning Te deposits on GaAs (100) surfaces have been performed using quadrupole mass spectrometry. The results give evidence that near the GaAs surface two regions of different Te adsorption can be distinguished. The first region nearest to the substrate surface consists of Te adparticles, which are chemisorbed to the substrate reevaporating at temperatures above 510–520 °C. The adparticles of the second physisorbed region begin to desorb at 350–360 °C, which is still considerably higher than the desorption temperature of the bulk Te deposits. The approximate thicknesses of these two regions are 1–2 monolayers and 3–10 monolayers of Te, respectively.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.99988
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