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1.
Science ; 245(4913): 43-5, 1989 Jul 07.
Artigo em Inglês | MEDLINE | ID: mdl-17787991

RESUMO

By means of scanning tunneling microscopy, it is observed that molecules of the form n-alkylcyanobiphenyl, where n = 8 to 12, form two-dimensional crystalline domains when adsorbed onto graphite. The layer spacings measured by tunneling microscopy are 20% larger than those measured previously on bulk material by x-ray diffraction. The structure of the adsorbed molecules is quite different from that of the bulk.

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