title: Comment on "Carbon atomic chain formation on the beta-SiC(100) surface by controlled sp-->sp(3) Transformation"
authors.affiliation: Electrotechnical Laboratory 1-1-4 Umezono, Tsukuba, Ibaraki 305-8568, Japan.
authors.initials: S
authors.lastname: Hara
authors.initials: J
authors.lastname: Kitamura
authors.initials: H
authors.lastname: Okushi
authors.initials: S
authors.lastname: Yoshida
authors.initials: K
authors.lastname: Kajimura
authors.initials: HW
authors.lastname: Yeom