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In the low As beam equivalent pressure condition, the in-situ annealing treatment is carried out for the previously atomically flat GaAs(001) βup 2(2×4) reconstruction surface. Utilizing scanning tunneling microscopy, the surface is found to change its morphology simultaneously with the surface reconstruction during the increase of low As beam equivalent pressure annealing time. The surface morphology undergos from ordered flat to disordered flat and then gradually returns to the ordered flat state again. The surface reconstruction turns from βup 2(2×4) to (2×6) and then changes to “zig-zag” (2×6) state. And there is a correlation between the evolution of the surface morphology and surface reconstruction.
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Keywords:
- surface morphology /
- surface reconstruction /
- pre-roughening /
- (2× /
- 6) reconstruction
[1] Zheng L X, Wu J, Zhang X C, Tu J H, Sun W F, Gao X J 2014 Acta Phys. Sin. 63 104216 (in Chinese) [郑丽霞, 吴金, 张秀川, 涂君虹, 孙伟锋, 高新江 2014 63 104216]
[2] Harikumar K R, McNab I R, Polanyi J C, Zabet-Khosousi A, Hofer W A 2011 Proc Natl. Acad. Sci. 108 950
[3] Del Alamo J A 2011 Nature 79 317
[4] Tan S Y, Zhai T, Zhang R K 2015 Chin. Phys. B 24 064211
[5] Xue Q K, Hashizume T, Sakurai T 1997 Prog. Surf. Sci. 56 1
[6] Xue Q K, Hashizume T, Sakurai T 1999 Appl. Surf. Sci. 141 244
[7] Falta J, Tromp R M, Copel M, Pettit G D, Kirchner P D 1992 Phys. Rev. Lett. 69 3068
[8] Bressler-Hill V, Lorke A, Varma S 1994 Phys. Rev. B 50 8479
[9] Xue Q K, Hashizume T, Sakata T 1996 Thin solid films 281 556
[10] Biegelsen D K, Bringans R D, Northrup J E, Swartz L E 1990 Phys. Rev. B 41 5701
[11] Ding Z, Thibado P M, LaBella V P 2003 Phys. Rev. Lett. 90 216109
[12] LaBella V P, Bullock D W, Emery C, Ding Z 2001 Appl. Phys. Lett. 79 3065
[13] LaBella V P, Krause M R, Ding Z, Thibado P M 2005 Surf. Sci. Repts 60 1
[14] Zhou X, Yang Z R, Luo Z J, He Y Q, He H, Ding Z 2011 Acta Phys. Sin. 60 016109 (in Chinese) [周勋, 杨再荣, 罗子江, 贺业全, 何浩, 丁召 2011 60 016109]
[15] LaBella V P, Bullock D W, Ding Z, Emery C, Thibado P M 2000 J Vac. Sci. Technol. A 18 1526
[16] Kuball M, Wang D T, Esser N, Cardona M 1995 Phys. Rev. B 51 13880
[17] Cho A Y 1976 J Appl. Phys. 47 2841
[18] Foxon C T, Joyce B A 1975 Surf. Sci. 50 434
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[1] Zheng L X, Wu J, Zhang X C, Tu J H, Sun W F, Gao X J 2014 Acta Phys. Sin. 63 104216 (in Chinese) [郑丽霞, 吴金, 张秀川, 涂君虹, 孙伟锋, 高新江 2014 63 104216]
[2] Harikumar K R, McNab I R, Polanyi J C, Zabet-Khosousi A, Hofer W A 2011 Proc Natl. Acad. Sci. 108 950
[3] Del Alamo J A 2011 Nature 79 317
[4] Tan S Y, Zhai T, Zhang R K 2015 Chin. Phys. B 24 064211
[5] Xue Q K, Hashizume T, Sakurai T 1997 Prog. Surf. Sci. 56 1
[6] Xue Q K, Hashizume T, Sakurai T 1999 Appl. Surf. Sci. 141 244
[7] Falta J, Tromp R M, Copel M, Pettit G D, Kirchner P D 1992 Phys. Rev. Lett. 69 3068
[8] Bressler-Hill V, Lorke A, Varma S 1994 Phys. Rev. B 50 8479
[9] Xue Q K, Hashizume T, Sakata T 1996 Thin solid films 281 556
[10] Biegelsen D K, Bringans R D, Northrup J E, Swartz L E 1990 Phys. Rev. B 41 5701
[11] Ding Z, Thibado P M, LaBella V P 2003 Phys. Rev. Lett. 90 216109
[12] LaBella V P, Bullock D W, Emery C, Ding Z 2001 Appl. Phys. Lett. 79 3065
[13] LaBella V P, Krause M R, Ding Z, Thibado P M 2005 Surf. Sci. Repts 60 1
[14] Zhou X, Yang Z R, Luo Z J, He Y Q, He H, Ding Z 2011 Acta Phys. Sin. 60 016109 (in Chinese) [周勋, 杨再荣, 罗子江, 贺业全, 何浩, 丁召 2011 60 016109]
[15] LaBella V P, Bullock D W, Ding Z, Emery C, Thibado P M 2000 J Vac. Sci. Technol. A 18 1526
[16] Kuball M, Wang D T, Esser N, Cardona M 1995 Phys. Rev. B 51 13880
[17] Cho A Y 1976 J Appl. Phys. 47 2841
[18] Foxon C T, Joyce B A 1975 Surf. Sci. 50 434
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