TITLE

Low-temperature silicon epitaxy by ultrahigh vacuum/chemical vapor deposition

AUTHOR(S)
Meyerson, B. S.
PUB. DATE
March 1986
SOURCE
Applied Physics Letters;3/24/1986, Vol. 48 Issue 12, p797
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have successfully demonstrated the use of a novel chemical vapor deposition technique, ultrahigh vacuum/chemical vapor deposition, to deposit homoepitaxial silicon layers of high crystalline perfection at low temperatures (T≥750 °C). Rutherford backscattering and transmission electron microscopy showed the transition to epitaxial silicon growth took place in the range 700–750 °C, and secondary ion mass spectrometry showed typical oxygen and carbon levels to be near the detection limits of the technique 1016–1017 cm-3. In addition, abrupt dopant transitions have been demonstrated, with B levels dropping four orders of magnitude, 1019–1015 B/cm3, in the first 1000 angstroms of an intrinsic epilayer.
ACCESSION #
9819349

 

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