Size-, position-, and separation-controlled one-dimensional alignment of nanoparticles using an optical near field

Takashi Yatsui, Wataru Nomura, Motoichi Ohtsu

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Particles several tens of nanometers in size were aligned in the desired positions in a controlled manner by using capillary force interaction and suspension flow. Latex beads 40-nm in diameter were aligned linearly around a 10-μm-hole template fabricated by lithography. Further control of their position and separation was realized using colloidal gold nanoparticles by controlling the particle-substrate and particle-particle interactions using an optical near field generated on the edge of a Si wedge, in which the separation of the colloidal gold nanoparticles was controlled by the direction of polarization.

Original languageEnglish
Pages (from-to)1798-1802
Number of pages5
JournalIEICE Transactions on Electronics
VolumeE88-C
Issue number9
DOIs
Publication statusPublished - Sep 2005
Externally publishedYes

Fingerprint

Gold Colloid
Gold
Nanoparticles
Particle interactions
Latex
Latexes
Lithography
Suspensions
Polarization
Substrates
Direction compound

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Size-, position-, and separation-controlled one-dimensional alignment of nanoparticles using an optical near field. / Yatsui, Takashi; Nomura, Wataru; Ohtsu, Motoichi.

In: IEICE Transactions on Electronics, Vol. E88-C, No. 9, 09.2005, p. 1798-1802.

Research output: Contribution to journalArticle

Yatsui, Takashi ; Nomura, Wataru ; Ohtsu, Motoichi. / Size-, position-, and separation-controlled one-dimensional alignment of nanoparticles using an optical near field. In: IEICE Transactions on Electronics. 2005 ; Vol. E88-C, No. 9. pp. 1798-1802.
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