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STUDY OF ULTRAHIGH DENSITY DATA STORAGE ON ORGANIC-COMPLEX THIN FILMS
Author(s) -
Liping Ma,
Wenjun Yang,
Zheng Xue,
Huiying Chen,
Pang Shi-Jin
Publication year - 1998
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.47.1229
Subject(s) - materials science , thin film , vacuum evaporation , substrate (aquarium) , insulator (electricity) , scanning tunneling microscope , conductor , computer data storage , voltage , evaporation , quantum tunnelling , optoelectronics , nanotechnology , composite material , computer science , electrical engineering , physics , oceanography , engineering , thermodynamics , geology , operating system
Crystalline organic complex thin films have been performed by vacuum evaporation method on HOPG substrates.Using Scanning Tunneling Microscope storage,array has been made on the film by applying voltage pulses between the tip and the substrate.The recording marks are 1.3nm in diameter.Voltage-current characterization shows that the recorded region has a conductor behavior while the unrecorded regions shows an insulator behavior.It is confirmed from experiments that the distance between two recording marks can be as short as 2nm,which corresponds to the storage density of 2.5×1013bit/cm2.The mechanism about the recording is briefly discussed.

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