Phasons Formed on Si(100) Dimer Rows Observed by Scanning Tunneling Microscopy(STM-Si(100))

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概要

• 論文の詳細を見る

• At〜6K, dimers on Si(100) surface are buckled, and structural change occurs between c(4x2) and p(2x2) arrangements due to dimer flip-flop motion at phase boundaries on dimer rows. The phase defect appearing at boundaries has a structure similar to that of the type-C defect, two adjacent dimers are buckled in the same orientation. In consideration of the dimer arrangement around the phase boundary, there exist structures with two different conformations for the phase defect, however, according to the Ising spin model, both of which have the same energy higher compared to other buckled dimers with 2x anticorrelation along a dimer row. Therefore, dimer flip-flop motion at a phase boundary results in the migration of a solitary phase defect with higher energy, as a phason.STMSi(100)dimerc(4x2)p(2x2)defectphason

• 東北大学の論文
• 1997-03-28

著者

• 重川 秀実

  筑波大学物理工学系

• SHIGEKAWA Hidemi

  Institute of Applied Physics, University of Tsukuba

• 重川 秀実

  Univ. Tsukuba Tsukuba

• Shigekawa Hidemi

  Institute Of Applied Physics University Of Tsukuba

• Shigekawa Hidemi

  Institute Of Applied Physics And Crest Japan Science And Technology Corporation (jst) University Of

• MIYAKE Koji

  Institute of Applied Physics, CREST, Japan Science and Technology Corporation (JST), University of T

• Ishida Masahiko

  Institute Of Materials Science University Of Tsukuba

• Miyake K

  Institute Of Applied Physics Crest Japan Science And Technology Corporation (jst) University Of Tsuk

• Hata Kenji

  Institute of Applied Physics and CREST, Japan Science Technology Cooperation, University of Tsukuba

• Hata K

  Institute Of Applied Physics Crest University Of Tsukuba

• Shigekawa Hidemi

  Institute Of Applied Physics And 21st Coe University Of Tsukuba

• Okawa S

  Univ. Tsukuba Tsukuba Jpn

• Komiyama M

  Research Center For Advanced Science And Technology The University Of Tokyo

• Ozawa Satoshi

  Institute of Materials Science, Center for Tsukuba Advanced Research Alliance (TARA), University of

• Miyake Koji

  Institute Of Applied Physics And Crest Japan Science And Technology Corporation (jst) University Of

• Ozawa Satoshi

  Institute Of Materials Science Center For Tsukuba Advanced Research Alliance (tara) University Of Ts

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