TY - GEN
T1 - Solid-phase epitaxial crystallization of a B-delta-doped superlattice in Si
AU - Elliman, R. G.
AU - Hogg, S. M.
AU - Kringhoj, P.
PY - 1999
Y1 - 1999
N2 - Time-resolved reflectivity (TRR) and secondary-ion mass-spectrometry (SIMS) are used to study the solid-phase-epitaxial-crystallization (SPEC) of amorphous Si layers containing a B delta-doped superlattice. The superlattice consists of three narrow B profiles (10 nm FWHM) separated by approximately 170 nm, each with a peak concentration of 1.3×10 20 B.cm -3. The SPEC velocity is shown to increase to a rate approximately three times that of intrinsic Si as the crystalline-amorphous interface passes through each B profile, the velocity enhancement closely following the B distribution. Diffusive broadening of the B profiles is also observed during SPEC. This is used to estimate the diffusivity of B in amorphous Si, which was found to be 2.6±0.5×10 -16 cm 2/s at 600 °C.
AB - Time-resolved reflectivity (TRR) and secondary-ion mass-spectrometry (SIMS) are used to study the solid-phase-epitaxial-crystallization (SPEC) of amorphous Si layers containing a B delta-doped superlattice. The superlattice consists of three narrow B profiles (10 nm FWHM) separated by approximately 170 nm, each with a peak concentration of 1.3×10 20 B.cm -3. The SPEC velocity is shown to increase to a rate approximately three times that of intrinsic Si as the crystalline-amorphous interface passes through each B profile, the velocity enhancement closely following the B distribution. Diffusive broadening of the B profiles is also observed during SPEC. This is used to estimate the diffusivity of B in amorphous Si, which was found to be 2.6±0.5×10 -16 cm 2/s at 600 °C.
UR - http://www.scopus.com/inward/record.url?scp=0033348478&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:0033348478
SN - 078034538X
SN - 9780780345386
T3 - Proceedings of the International Conference on Ion Implantation Technology
SP - 1055
EP - 1058
BT - Proceedings of the International Conference on Ion Implantation Technology
T2 - Proceedings of the 1998 International Conference on 'Ion Implantation Technology' Proceedings (IIT'98)
Y2 - 22 June 1998 through 26 June 1998
ER -