TY - RPRT TI - An enhanced sensitivity null ellipsometry technique for studying films on substrates - Application to silicon nitride on gallium arsenide AU - Alterovitz, S. A. AU - Bu-Abbud, G. H. AU - Woollam, J. A. AU - Liu, D. C. PY - 1983 UR - https://ntrs.nasa.gov/citations/19830056400 ID - 19830056400 ER -