7×7 reconstruction of Ge(111) surfaces under compressive strain

H. J. Gossmann; J. C. Bean; L. C. Feldman; E. G. McRae; I. K. Robinson

doi:10.1103/PhysRevLett.55.1106

7×7 reconstruction of Ge(111) surfaces under compressive strain

H. J. Gossmann, J. C. Bean, L. C. Feldman, E. G. McRae, I. K. Robinson

Rutgers University

Research output: Contribution to journal › Article › peer-review

112 Citations (Scopus)

Abstract

We have discovered a correlation between lateral compressive strain in an elemental material and the reconstructed state of its surface. We studied continuous films of pure Ge epitaxially grown on Si(111) substrates. The in-plane lattice parameter varies continuously with film thickness while the surface symmetry changes from c2×8 to 7×7. The results indicate an important role of lateral compressive stress in the 7×7 reconstruction.

Original language	English
Pages (from-to)	1106-1109
Number of pages	4
Journal	Physical review letters
Volume	55
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.55.1106
Publication status	Published - 1985

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "We have discovered a correlation between lateral compressive strain in an elemental material and the reconstructed state of its surface. We studied continuous films of pure Ge epitaxially grown on Si(111) substrates. The in-plane lattice parameter varies continuously with film thickness while the surface symmetry changes from c2×8 to 7×7. The results indicate an important role of lateral compressive stress in the 7×7 reconstruction.",

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AU - Robinson, I. K.

PY - 1985

Y1 - 1985

N2 - We have discovered a correlation between lateral compressive strain in an elemental material and the reconstructed state of its surface. We studied continuous films of pure Ge epitaxially grown on Si(111) substrates. The in-plane lattice parameter varies continuously with film thickness while the surface symmetry changes from c2×8 to 7×7. The results indicate an important role of lateral compressive stress in the 7×7 reconstruction.

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7×7 reconstruction of Ge(111) surfaces under compressive strain

Abstract

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