TY - JOUR
T1 - Jahn-Teller distortion in dangling-bond linear chains fabricated on a Hydrogen-terminated Si(100)- 2× 1 surface
AU - Hitosugi, Taro
AU - Heike, S.
AU - Onogi, T.
AU - Hashizume, T.
AU - Watanabe, S.
AU - Li, Z. Q.
AU - Ohno, K.
AU - Kawazoe, Y.
AU - Hasegawa, T.
AU - Kitazawa, K.
PY - 1999
Y1 - 1999
N2 - Length-dependent charge redistribution in dangling-bond (DB) linear chains fabricated on a hydrogen-terminated Si(100)-(2×1) surface is analyzed by using scanning tunneling microscopy and first-principles calculations. The second-layer Si atoms are displaced alternately to form pairs with charge redistribution, which is explained by the Jahn-Teller distortion in an artificial pseudomolecule. In a short even-numbered (DB) structure, an unpaired second-layer Si atom exists and behaves as a soliton accompanied by the flip-flop motion of the structure. We point out that the odd-even problem, the edge effect, and the finite length of the DB structures are indispensable to understand the relaxation in the structures.
AB - Length-dependent charge redistribution in dangling-bond (DB) linear chains fabricated on a hydrogen-terminated Si(100)-(2×1) surface is analyzed by using scanning tunneling microscopy and first-principles calculations. The second-layer Si atoms are displaced alternately to form pairs with charge redistribution, which is explained by the Jahn-Teller distortion in an artificial pseudomolecule. In a short even-numbered (DB) structure, an unpaired second-layer Si atom exists and behaves as a soliton accompanied by the flip-flop motion of the structure. We point out that the odd-even problem, the edge effect, and the finite length of the DB structures are indispensable to understand the relaxation in the structures.
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U2 - 10.1103/PhysRevLett.82.4034
DO - 10.1103/PhysRevLett.82.4034
M3 - Article
AN - SCOPUS:0000345877
VL - 82
SP - 4034
EP - 4037
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 20
ER -