1987
DOI: 10.1002/crat.2170221202
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On the deposition mechanism of boron in silicon CVD epitaxy

Abstract: The deposition mechanism of boron doping in CVD silicon epitaxy has been investigated by exposing silicon substrates t o B,H,-H, doping gas mixtures a t epitaxy temperatures and examining the effect by dopant profile measuring in an afterwards intrinsically in-situ deposited epitaxial silicon layer. It has been shown that boron is deposited increasing its concentration on the surface linearly with prolonged exposition time and desorbed by purging the surface in pure hydrogen. I n the latter case its content de… Show more

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(1 citation statement)
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“…In addition they observed the decreasing arsenic dopant concentration with the increasing epitaxial growth rate. KUHNE and MORGENSTERN (1987) determined the same type of relationship at higher growth rates, but at lower growth rates they reported the dopant concentration not to be dependent on the growth rate.…”
Section: Doping Process Analysismentioning
confidence: 77%
“…In addition they observed the decreasing arsenic dopant concentration with the increasing epitaxial growth rate. KUHNE and MORGENSTERN (1987) determined the same type of relationship at higher growth rates, but at lower growth rates they reported the dopant concentration not to be dependent on the growth rate.…”
Section: Doping Process Analysismentioning
confidence: 77%