Memory effect in thin films of insulating polymer and C60 nanocomposites

S. Paul, A. Kanwal, Manish Chhowalla

Research output: Contribution to journalArticle

140 Citations (Scopus)

Abstract

We describe the use of C60 fullerene molecules as the charge storage medium in an insulating poly-vinyl-phenol (PVP) polymer. The simple metal-organic-metal (MOM) sandwich structure devices deposited from solution exhibit distinct high and low conduction states, which can be used to program read, write and erase memory operations. The charge transfer and retention in C60 molecules at room temperature has been confirmed by capacitance-voltage and Raman spectroscopy measurements. Conducting atomic force microscopy has been used to demonstrate that high and low conductance states persist even at the nanoscale.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalNanotechnology
Volume17
Issue number1
DOIs
Publication statusPublished - Jan 14 2006

Fingerprint

Nanocomposites
nanocomposites
Polymers
Metals
Data storage equipment
conduction
Thin films
Molecules
Sandwich structures
sandwich structures
polymers
Fullerenes
thin films
Phenol
metals
phenols
Phenols
fullerenes
Raman spectroscopy
Charge transfer

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Memory effect in thin films of insulating polymer and C60 nanocomposites. / Paul, S.; Kanwal, A.; Chhowalla, Manish.

In: Nanotechnology, Vol. 17, No. 1, 14.01.2006, p. 145-151.

Research output: Contribution to journalArticle

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