Possibility of charge transfer between dimer atoms on Si (100)-)-(2X 1)

DH Rich, T Miller, T-C Chiang

Research output: Contribution to journalArticlepeer-review


A precision determination of the number of dimer atoms on the Si(100)-(2×1) surface which contribute to the 2p core-level shift as measured by high-resolution photoemission is possible with an in situ comparison with Si(111)-(7×7). By correlating distinct features of the Si(111)-(7×7) spectrum with the known structural features of the (7×7) surface, the number of surface atoms which contribute to the Si(100)-(2×1) 2p core shift is 0.92±0.07 monolayers. Implications regarding the symmetry of the valence charge distribution about the dimers are addressed.
Original languageEnglish GB
Pages (from-to)3124
Number of pages1
JournalPhysical Review B
Issue number6
StatePublished - 1988


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