Liquid plasmonics: Manipulating surface plasmon polaritons via phase transitions

S. R C Vivekchand, Clifford J. Engel, Steven M. Lubin, Martin G. Blaber, Wei Zhou, Jae Yong Suh, George C Schatz, Teri W Odom

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

This paper reports the manipulation of surface plasmon polaritons (SPPs) in a liquid plasmonic metal by changing its physical phase. Dynamic properties were controlled by solid-to-liquid phase transitions in 1D Ga gratings that were fabricated using a simple molding process. Solid and liquid phases were found to exhibit different plasmonic properties, where light coupled to SPPs more efficiently in the liquid phase. We exploited the supercooling characteristics of Ga to access plasmonic properties associated with the liquid phase over a wider temperature range (up to 30 °C below the melting point of bulk Ga). Ab initio density functional theory-molecular dynamic calculations showed that the broadening of the solid-state electronic band structure was responsible for the superior plasmonic properties of the liquid metal.

Original languageEnglish
Pages (from-to)4324-4328
Number of pages5
JournalNano Letters
Volume12
Issue number8
DOIs
Publication statusPublished - Aug 8 2012

Fingerprint

polaritons
liquid phases
Phase transitions
Liquids
liquids
liquid metals
Liquid metals
Supercooling
Electronic states
supercooling
Molding
Band structure
dynamic characteristics
melting points
Density functional theory
Melting point
Molecular dynamics
solid phases
manipulators
gratings

Keywords

  • gratings
  • liquid metals
  • real-time optical measurements
  • solid-to-liquid phase transitions
  • Surface plasmon polaritons

ASJC Scopus subject areas

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

Cite this

Vivekchand, S. R. C., Engel, C. J., Lubin, S. M., Blaber, M. G., Zhou, W., Suh, J. Y., ... Odom, T. W. (2012). Liquid plasmonics: Manipulating surface plasmon polaritons via phase transitions. Nano Letters, 12(8), 4324-4328. https://doi.org/10.1021/nl302053g

Liquid plasmonics : Manipulating surface plasmon polaritons via phase transitions. / Vivekchand, S. R C; Engel, Clifford J.; Lubin, Steven M.; Blaber, Martin G.; Zhou, Wei; Suh, Jae Yong; Schatz, George C; Odom, Teri W.

In: Nano Letters, Vol. 12, No. 8, 08.08.2012, p. 4324-4328.

Research output: Contribution to journalArticle

Vivekchand, SRC, Engel, CJ, Lubin, SM, Blaber, MG, Zhou, W, Suh, JY, Schatz, GC & Odom, TW 2012, 'Liquid plasmonics: Manipulating surface plasmon polaritons via phase transitions', Nano Letters, vol. 12, no. 8, pp. 4324-4328. https://doi.org/10.1021/nl302053g
Vivekchand SRC, Engel CJ, Lubin SM, Blaber MG, Zhou W, Suh JY et al. Liquid plasmonics: Manipulating surface plasmon polaritons via phase transitions. Nano Letters. 2012 Aug 8;12(8):4324-4328. https://doi.org/10.1021/nl302053g
Vivekchand, S. R C ; Engel, Clifford J. ; Lubin, Steven M. ; Blaber, Martin G. ; Zhou, Wei ; Suh, Jae Yong ; Schatz, George C ; Odom, Teri W. / Liquid plasmonics : Manipulating surface plasmon polaritons via phase transitions. In: Nano Letters. 2012 ; Vol. 12, No. 8. pp. 4324-4328.
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