Pulsed dielectric spectroscopy of supercooled liquids

R. Böhmer, B. Schiener, J. Hemberger, Ralph Chamberlin

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Pulsed dielectric spectroscopy is introduced as a technique for selectively emphasizing specific components of the non-exponential dielectric response of matter. Samples studied include supercooled liquid propanol, propylene carbonate, and poly(lauryl-methacrylate). It is shown that particular sequences of pulses can be used to emphasize the fast response regime, to produce a cross-over or memory effect, or to eliminate the response of selected components. Furthermore, for materials characterized by broad distributions of relaxation times, the technique facilitates the investigation of a relatively narrow band from that distribution. It is also shown that the time domain spectroscopy can be combined with conventional frequency domain techniques to provide the characterization of dielectric response over an extraordinarily broad spectral range.

Original languageEnglish (US)
Pages (from-to)91-99
Number of pages9
JournalZeitschrift für Physik B: Condensed Matter
Volume99
Issue number1
DOIs
StatePublished - Mar 1995

Fingerprint

Dielectric spectroscopy
1-Propanol
Liquids
Propanol
liquids
Relaxation time
spectroscopy
Propylene
Carbonates
Spectroscopy
Data storage equipment
propylene
narrowband
carbonates
relaxation time
pulses
poly(lauryl methacrylate)
propylene carbonate

Keywords

  • 07.50.+f
  • 64.70.Pf
  • 77.40.+i

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Pulsed dielectric spectroscopy of supercooled liquids. / Böhmer, R.; Schiener, B.; Hemberger, J.; Chamberlin, Ralph.

In: Zeitschrift für Physik B: Condensed Matter, Vol. 99, No. 1, 03.1995, p. 91-99.

Research output: Contribution to journalArticle

Böhmer, R. ; Schiener, B. ; Hemberger, J. ; Chamberlin, Ralph. / Pulsed dielectric spectroscopy of supercooled liquids. In: Zeitschrift für Physik B: Condensed Matter. 1995 ; Vol. 99, No. 1. pp. 91-99.
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