Self-assembly vicinal surface of Mo(001) grown on Al2O 3(11̄02)

J. H. Lai; C. L. Tu; S. H. Su; C. C. Kuo; J. C.A. Huang

doi:10.1063/1.2398893

Self-assembly vicinal surface of Mo(001) grown on Al₂O ₃(11̄02)

J. H. Lai, C. L. Tu, S. H. Su, C. C. Kuo, J. C.A. Huang

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Abstract

The structure and surface morphology of self-assembly vicinal surfaces (SAVSs) of Mo epitaxially grown on Al2 O3 (1 1- 02) substrates have been investigated by reflective high energy electron diffraction and scanning tunneling microscopy. The terrace edges for the Mo(001) SAVS are mainly arranged along [1 1- 0]Mo ∥ [11 2- 0] Al2 O3 with a narrow distribution terrace width. The structural analyses show that the formation of the SAVS is due to a tilt growth of Mo(001) plane with respect to Al2 O3 (1 1- 02) substrate. By a simple geometric model, the tilt growth and SAVS of Mo(001) can be attributed to the asymmetric lattice mismatch between Mo(001) and Al2 O3 (1 1- 02) surfaces.

Original language	English
Article number	221915
Journal	Applied Physics Letters
Volume	89
Issue number	22
DOIs	https://doi.org/10.1063/1.2398893
Publication status	Published - 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2398893

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title = "Self-assembly vicinal surface of Mo(001) grown on Al2O 3(1{\=1}02)",

abstract = "The structure and surface morphology of self-assembly vicinal surfaces (SAVSs) of Mo epitaxially grown on Al2 O3 (1 1- 02) substrates have been investigated by reflective high energy electron diffraction and scanning tunneling microscopy. The terrace edges for the Mo(001) SAVS are mainly arranged along [1 1- 0]Mo ∥ [11 2- 0] Al2 O3 with a narrow distribution terrace width. The structural analyses show that the formation of the SAVS is due to a tilt growth of Mo(001) plane with respect to Al2 O3 (1 1- 02) substrate. By a simple geometric model, the tilt growth and SAVS of Mo(001) can be attributed to the asymmetric lattice mismatch between Mo(001) and Al2 O3 (1 1- 02) surfaces.",

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T1 - Self-assembly vicinal surface of Mo(001) grown on Al2O 3(11̄02)

AU - Lai, J. H.

AU - Tu, C. L.

AU - Su, S. H.

AU - Kuo, C. C.

AU - Huang, J. C.A.

PY - 2006

Y1 - 2006

N2 - The structure and surface morphology of self-assembly vicinal surfaces (SAVSs) of Mo epitaxially grown on Al2 O3 (1 1- 02) substrates have been investigated by reflective high energy electron diffraction and scanning tunneling microscopy. The terrace edges for the Mo(001) SAVS are mainly arranged along [1 1- 0]Mo ∥ [11 2- 0] Al2 O3 with a narrow distribution terrace width. The structural analyses show that the formation of the SAVS is due to a tilt growth of Mo(001) plane with respect to Al2 O3 (1 1- 02) substrate. By a simple geometric model, the tilt growth and SAVS of Mo(001) can be attributed to the asymmetric lattice mismatch between Mo(001) and Al2 O3 (1 1- 02) surfaces.

AB - The structure and surface morphology of self-assembly vicinal surfaces (SAVSs) of Mo epitaxially grown on Al2 O3 (1 1- 02) substrates have been investigated by reflective high energy electron diffraction and scanning tunneling microscopy. The terrace edges for the Mo(001) SAVS are mainly arranged along [1 1- 0]Mo ∥ [11 2- 0] Al2 O3 with a narrow distribution terrace width. The structural analyses show that the formation of the SAVS is due to a tilt growth of Mo(001) plane with respect to Al2 O3 (1 1- 02) substrate. By a simple geometric model, the tilt growth and SAVS of Mo(001) can be attributed to the asymmetric lattice mismatch between Mo(001) and Al2 O3 (1 1- 02) surfaces.

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Self-assembly vicinal surface of Mo(001) grown on Al₂O ₃(11̄02)

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