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Herringbone Colin Murphy Jan 21 2012. Atomic Packing

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Presentation on theme: "Herringbone Colin Murphy Jan 21 2012. Atomic Packing"— Presentation transcript:

1 Herringbone Colin Murphy Jan 21 2012

2 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf

3 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf Fei.e.

4 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf Fei.e.

5 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf

6 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf Cu Ag i.e.

7 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf Cu Ag Co Zn i.e.

8 Atomic Packing http://che.uri.edu/course/che333/Structure.pdf Cu Ag Co Zn i.e. Au

9 FCC vs HCP Stacking FCC Stacking ABC ABC HCP Stacking AB AB

10

11 Close packed direction

12 √3 direction 2 A 1 A √3 A A = Atomic Diameter

13 110 112 Au{111} 23 x  3

14 Dimensions: Bulk Au = 2.88 Å Therefore in 112 direction spacing = 2.88 Å In 110 direction spacing = 2.75 Å That ’ s why Maksymovych et al. say average distance = 2.81 Å

15 Min, B. K. et al. Topics in Catalysis 36, 77–90 (2005). Friend Group Help understand unit cell Dosing of O or S restructures herringbone

16 Herringbone Black arrow: Compressed axes White arrow: uncompressed √3 axes Dashed line: partially compressed √3

17 Image of herring bone Love, J. C. et al. Chemical reviews 105, 1103–69 (2005).

18 Image of herring bone Love, J. C. et al. Chemical reviews 105, 1103–69 (2005).

19 Uses of herringbone Patterning surface with molecules Gao, L. et al. Constructing an Array of Anchored Single-Molecule Rotors on Gold Surfaces. PRL 101, 1–4 (2008).

20 Corso, M. et al. Condens. Matter Phys 21, 353001 (2009).

21 Repain, V. et al. Europhysics Letters (EPL) 47, 435–441 (1999).

22

23 Yin, F. et al. Surface Science 600, 1504–1509 (2006).

24 Extra slides from here on

25 Repain, V. et al. Europhysics Letters (EPL) 47, 435–441 (1999).


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