Nanoparticle assemblies as memristors

Tae Hee Kim, Eun Young Jang, Nyun Jong Lee, Deung Jang Choi, Kyoung Jin Lee, Jung Tak Jang, Jin Sil Choi, Seung Ho Moon, Jinwoo Cheon

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

Recently a memristor (Chua, L. O. IEEE Trans. Circuit Theory 1971,18, 507), the fourth fundamental passive circuit element, has been demonstrated as thin film device operations (Strukov, D. B.; Snider, G. S.; Stewart, D. R.; Williams, R. S. Nature (London) 2008, 453, 80; Yang, J. J.; Pickett. M. D.; Li, X.; Ohlberg, D. A. A.; Stewart, D. R.; Williams, R. S. Nat. Nanotechnol. 2008, 3, 429). A new addition to the memristor family can be nanoparticle assemblies consisting of an infinite number of monodispersed, crystalline magnetite (Fe3O4) particles. Assembly of nanoparticles that have sizes below 10 nm, exhibits at room temperature a voltage-current hysteresis with an abrupt and large bipolar resistance switching (ROFFIR ON ≈ 20). Interestingly, observed behavior could be interpreted by adopting an extended memristor model that combines both a time-dependent resistance and a time-dependent capacitance. We also observed that such behavior is not restricted to magnetites; it is a general property of nanoparticle assemblies as it was consistently observed in different types of spinel structured nanoparticles with different sizes and compositions. Further investigation into this new nanoassembly system will be of importance to the realization of the next generation nanodevices with potential advantages of simpler and inexpensive device fabrications.

Original languageEnglish
Pages (from-to)2229-2233
Number of pages5
JournalNano Letters
Volume9
Issue number6
DOIs
Publication statusPublished - 2009 Jun 10

Fingerprint

Memristors
assemblies
Ferrosoferric Oxide
Nanoparticles
nanoparticles
Magnetite
magnetite
Thin film devices
Passive networks
Circuit theory
spinel
Hysteresis
Capacitance
assembly
capacitance
hysteresis
Crystalline materials
Fabrication
fabrication
Electric potential

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Kim, T. H., Jang, E. Y., Lee, N. J., Choi, D. J., Lee, K. J., Jang, J. T., ... Cheon, J. (2009). Nanoparticle assemblies as memristors. Nano Letters, 9(6), 2229-2233. https://doi.org/10.1021/nl900030n

Nanoparticle assemblies as memristors. / Kim, Tae Hee; Jang, Eun Young; Lee, Nyun Jong; Choi, Deung Jang; Lee, Kyoung Jin; Jang, Jung Tak; Choi, Jin Sil; Moon, Seung Ho; Cheon, Jinwoo.

In: Nano Letters, Vol. 9, No. 6, 10.06.2009, p. 2229-2233.

Research output: Contribution to journalArticle

Kim, TH, Jang, EY, Lee, NJ, Choi, DJ, Lee, KJ, Jang, JT, Choi, JS, Moon, SH & Cheon, J 2009, 'Nanoparticle assemblies as memristors', Nano Letters, vol. 9, no. 6, pp. 2229-2233. https://doi.org/10.1021/nl900030n
Kim TH, Jang EY, Lee NJ, Choi DJ, Lee KJ, Jang JT et al. Nanoparticle assemblies as memristors. Nano Letters. 2009 Jun 10;9(6):2229-2233. https://doi.org/10.1021/nl900030n
Kim, Tae Hee ; Jang, Eun Young ; Lee, Nyun Jong ; Choi, Deung Jang ; Lee, Kyoung Jin ; Jang, Jung Tak ; Choi, Jin Sil ; Moon, Seung Ho ; Cheon, Jinwoo. / Nanoparticle assemblies as memristors. In: Nano Letters. 2009 ; Vol. 9, No. 6. pp. 2229-2233.
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