All solution-processed, fully transparent resistive memory devices

Areum Kim, Keunkyu Song, Youngwoo Kim, Joo Ho Moon

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

We fabricated all-solution processed, fully transparent resistive random access memory (sol-TRRAM) with a configuration of ITO/GaZnO(GZO)/ITO. All layers, including an active layer and top and bottom ITO electrodes, were deposited on a glass substrate by either spin coating or inkjet printing using a sol-gel solution. Our sol-TRRAM was transparent, with 86.5% transmittance at 550 nm. An initial forming process is unnecessary for the production of transparent memory due to the presence of sufficient inherent nonlattice oxygen ions in the solution-processed GZO layer. The sol-TRRAM also showed reasonable bipolar resistance switching with a low operation current (<100 μA) and excellent cycle endurance properties (>300 cycles). The main conduction mechanism during the set process can be explained by the trap-controlled space-charge limited conduction, and the resistance change occurred by the modification of the potential barrier height because of the charge injection by Fowler-Nordheim tunneling.

Original languageEnglish
Pages (from-to)4525-4530
Number of pages6
JournalACS Applied Materials and Interfaces
Volume3
Issue number11
DOIs
Publication statusPublished - 2011 Nov 23

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Data storage equipment
Charge injection
Spin coating
Electric space charge
Field emission
Sol-gels
Printing
Ions
Oxygen
Glass
Electrodes
Substrates

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Kim, Areum ; Song, Keunkyu ; Kim, Youngwoo ; Moon, Joo Ho. / All solution-processed, fully transparent resistive memory devices. In: ACS Applied Materials and Interfaces. 2011 ; Vol. 3, No. 11. pp. 4525-4530.
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All solution-processed, fully transparent resistive memory devices. / Kim, Areum; Song, Keunkyu; Kim, Youngwoo; Moon, Joo Ho.

In: ACS Applied Materials and Interfaces, Vol. 3, No. 11, 23.11.2011, p. 4525-4530.

Research output: Contribution to journalArticle

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