[PD-2-3] Boron-Induced √3×√3 Reconstruction on Si(111) Surface M. Umekawa、S. Ohara、S. Tatsukawa、H. Kuriyama、S. Matsumoto (1.Faculty of Science and Technology, Keio University) https://doi.org/10.7567/SSDM.1996.PD-2-3