Parallel molecular stacks of organic thin film with electrical bistability

Citation
Jc. Li et al., Parallel molecular stacks of organic thin film with electrical bistability, APPL PHYS L, 76(18), 2000, pp. 2532-2534
Citations number
16
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
APPLIED PHYSICS LETTERS
ISSN journal
0003-6951 → ACNP
Volume
76
Issue
18
Year of publication
2000
Pages
2532 - 2534
Database
ISI
SICI code
0003-6951(20000501)76:18<2532:PMSOOT>2.0.ZU;2-M
Abstract
A thin film of 1,1-dicyano-2,2-(4-dimethylaminophenyl) ethylene (DDME) has been grown by a modified vacuum deposition. The films were characterized by Fourier transform infrared spectroscopy, transmission electron microscopy, and scanning tunneling microscopy (STM). Highly ordered parallel molecular stacks were repeatedly observed with STM under ambient conditions. The dc current-voltage (I-V) characteristics of device Au/DDME/Au were measured, a nd the film was found to possess good electrical bistability and electrochr omic properties. Nanometer-scale recording was realized on the film by appl ying pulse voltage between the STM tip and substrate. The possible switchin g mechanism is discussed. (C) 2000 American Institute of Physics. [S0003-69 51(00)01118-9].