Reversible single-molecule switching in an ordered monolayer molecular dipole array

  • Yu Li Huang
  • , Yunhao Lu
  • , Tian Chao Niu
  • , Han Huang
  • , Satoshi Kera
  • , Nobuo Ueno
  • , Andrew Thye Shen Wee
  • , Wei Chen*
  • *Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

Making electronic devices using a single molecule has been the ultimate goal of molecular electronics. For binary data storage in particular, the challenge has been the ability to switch a single molecule in between bistable states in a simple and repeatable manner. The reversible switching of single molecules of chloroaluminum phthalocyanine (ClAlPc) dipolar molecules within a close-packed monolayer is demonstrated. By pulsing an scanning tunneling microscopy tip, read-write operations of single-molecular binary bits at ∼40 Tb/cm2 (∼250 Tb/in2) are demonstrated.

Original languageEnglish
Pages (from-to)1423-1428
Number of pages6
JournalSmall
Volume8
Issue number9
DOIs
StatePublished - 7 May 2012
Externally publishedYes

Keywords

  • STM
  • bistable states
  • dipole molecules
  • molecular electronics
  • reversible single-molecule switching

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