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Nanoscale Data Recording on an Organic Monolayer Film
Author(s) -
Wu H.M.,
Song Y.L.,
Du S.X.,
Liu H.W.,
Gao H.J.,
Jiang L.,
Zhu D.B.
Publication year - 2003
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200305144
Subject(s) - materials science , highly oriented pyrolytic graphite , nanoscopic scale , monolayer , scanning tunneling microscope , pyrolytic carbon , substrate (aquarium) , thin film , nanotechnology , graphite , quantum tunnelling , optoelectronics , chemical engineering , composite material , pyrolysis , oceanography , geology , engineering
A “y” formed by nine nanoscale recording marks (see Figure) has been made successfully on an organic thin film by applying voltage pulses between a scanning tunneling microscopy (STM) tip and the highly ordered pyrolytic graphite substrate. The average size of the recorded marks is 1.1 nm in diameter, corresponding to a data storage density of ∼ 10 13 bits cm –2 . The recording mechanism is discussed according to experiment and calculation.