Templated Quasicrystalline Molecular Ordering

Smerdon, Joe orcid iconORCID: 0000-0002-7387-8362, Young, K. M, Lowe, M., Hars, S. S., Yadav, T. P., Hesp, D., Dhanak, V. R., Tsai, A. P., Sharma, H. R. et al (2014) Templated Quasicrystalline Molecular Ordering. Nano Letters, 14 (3). pp. 1184-1189. ISSN 1530-6984

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Official URL: https://doi.org/10.1021/nl403947b


Quasicrystals are materials with long-range ordering but no periodicity. We report scanning tunneling microscopy (STM) observations of quasicrystalline molecular layers on 5-fold quasicrystal surfaces. The molecules adopt positions and orientations on the surface consistent with the quasicrystalline ordering of the substrate. Carbon-60 adsorbs atop sufficiently separated Fe atoms on icosahedral Al−Cu−Fe to form a unique quasicrystalline lattice, whereas further C60 molecules decorate remaining surface Fe atoms in a quasi-degenerate fashion. Pentacene (Pn) adsorbs at 10-fold symmetric points around surface-bisected rhombic triacontahedral clusters in icosahedral Ag−In−Yb. These systems constitute the first demonstrations of quasicrystalline molecular ordering on a template

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