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ULTRAHIGH-DENSITY DATA STORAGE ON AN ORGANIC MONOMER 3-PHENYL-1-UREIDONITRILE THIN FILM

SHI DONG-XIA SONG YAN-LIN ZHANG HAO-XU XIE SI-SHEN PANG SHI-JIN GAO HONG-JUN

ULTRAHIGH-DENSITY DATA STORAGE ON AN ORGANIC MONOMER 3-PHENYL-1-UREIDONITRILE THIN FILM

SHI DONG-XIA, SONG YAN-LIN, ZHANG HAO-XU, XIE SI-SHEN, PANG SHI-JIN, GAO HONG-JUN
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Publishing process
  • Received Date:  16 August 2000
  • Accepted Date:  10 October 2000
  • Published Online:  05 January 2001

ULTRAHIGH-DENSITY DATA STORAGE ON AN ORGANIC MONOMER 3-PHENYL-1-UREIDONITRILE THIN FILM

  • 1. (1)中国科学院化学研究所分子科学中心,北京100080; (2)中国科学院物理研究所凝聚态物理中心真空物理开放实验室,北京100080; (3)中国科学院物理研究所凝聚态物理中心真空物理开放实验室,北京100080,东北大学机械工程与自动化学院,沈阳110006

Abstract: Ultrahigh-density data storage on a 3-phenyl-1-ureidonitrile (PUN) thin film was performed using a scanning tunneling microscope. The recorded marks of 0.8 nm in diameter were obtained when voltage pulses of 4 V for 10ms were applied between the STM tip and highly ordered pyrolytic graphite substrate. The current-voltage relations at the local regions of the films indicate that the recorded region is conductive and the unrecorded region is in a high impedance state. A possible mechanism of this data storage was suggested and discussed.

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