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Volumn 107, Issue 6, 1997, Pages 1740-1743

Dielectric relaxation in the fragile viscous liquid state of toluene

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTALLIZATION; ELECTRIC VARIABLES MEASUREMENT; GLASS TRANSITION; LIQUIDS; MATHEMATICAL MODELS; MOLECULAR WEIGHT; TOLUENE; VISCOSITY;

EID: 0031559549     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.474567     Document Type: Article
Times cited : (64)

References (38)
  • 6
    • 0001686455 scopus 로고
    • edited by I. A. Campbell and C. Giovanella Plenum, New York
    • See, e.g., (a) K. L. Ngai and R. W. Rendell, in Relaxation in Complex Systems and Related Topics, edited by I. A. Campbell and C. Giovanella (Plenum, New York, 1990), p. 309; (b) R. V. Chamberlin, Phys. Rev. B 48, 15,638 (1993); (c) J. C. Phillips, Rep. Prog. Phys. 59, 1133 (1996).
    • (1990) Relaxation in Complex Systems and Related Topics , pp. 309
    • Ngai, K.L.1    Rendell, R.W.2
  • 7
    • 0001098050 scopus 로고
    • See, e.g., (a) K. L. Ngai and R. W. Rendell, in Relaxation in Complex Systems and Related Topics, edited by I. A. Campbell and C. Giovanella (Plenum, New York, 1990), p. 309; (b) R. V. Chamberlin, Phys. Rev. B 48, 15,638 (1993); (c) J. C. Phillips, Rep. Prog. Phys. 59, 1133 (1996).
    • (1993) Phys. Rev. B , vol.48
    • Chamberlin, R.V.1
  • 8
    • 2742612566 scopus 로고    scopus 로고
    • See, e.g., (a) K. L. Ngai and R. W. Rendell, in Relaxation in Complex Systems and Related Topics, edited by I. A. Campbell and C. Giovanella (Plenum, New York, 1990), p. 309; (b) R. V. Chamberlin, Phys. Rev. B 48, 15,638 (1993); (c) J. C. Phillips, Rep. Prog. Phys. 59, 1133 (1996).
    • (1996) Rep. Prog. Phys. , vol.59 , pp. 1133
    • Phillips, J.C.1
  • 16
    • 85033162700 scopus 로고    scopus 로고
    • note
    • It appears that the xylenes would be suitable candidates, see also Ref. 4.
  • 19
    • 85033173053 scopus 로고    scopus 로고
    • note
    • The glass capillaries used for this study were Mark tubes obtained from Hilgenberg Co., 34321 Malsfeld, Germany.
  • 20
    • 0003397206 scopus 로고
    • Elsevier, Amsterdam
    • The squared refractive index of the glass tubes is very similar to the permittivity of the toluene sample which changes not dramatically across the dispersive regime. Therefore corrections that sometimes are required when dealing with heterogeneous dielectrics are relatively small, cf. § 98 in, C. J. F. Böttcher and P. Bordewijk, Theory of Electric Polarization (Elsevier, Amsterdam, 1978), Vol. 2.
    • (1978) Theory of Electric Polarization , vol.2
    • Böttcher, C.J.F.1    Bordewijk, P.2
  • 22
    • 85033169532 scopus 로고    scopus 로고
    • After the present work was submitted we received a paper by A. Kudlik, C. Tschirwitz, S. Benkhof, T. Blochowicz, and E. Rössler (preprint) where the Johari-Goldstein process in supercooled toluene is studied in detail
    • After the present work was submitted we received a paper by A. Kudlik, C. Tschirwitz, S. Benkhof, T. Blochowicz, and E. Rössler (preprint) where the Johari-Goldstein process in supercooled toluene is studied in detail.
  • 24
    • 0029992608 scopus 로고    scopus 로고
    • The validity of the description of the primary response in terms of a distribution of relaxation times has recently been confirmed experimentally for several supercooled liquids. See B. Schiener, R. Böhmer, A. Loidl, and R. V. Chamberlin, Science 274, 752 (1996); B. Schiener, R. V. Chamberlin, G. Diezemann, and R. Böhmer, J. Chem. Phys. (submitted).
    • (1996) Science , vol.274 , pp. 752
    • Schiener, B.1    Böhmer, R.2    Loidl, A.3    Chamberlin, R.V.4
  • 25
    • 85033183539 scopus 로고    scopus 로고
    • submitted
    • The validity of the description of the primary response in terms of a distribution of relaxation times has recently been confirmed experimentally for several supercooled liquids. See B. Schiener, R. Böhmer, A. Loidl, and R. V. Chamberlin, Science 274, 752 (1996); B. Schiener, R. V. Chamberlin, G. Diezemann, and R. Böhmer, J. Chem. Phys. (submitted).
    • J. Chem. Phys.
    • Schiener, B.1    Chamberlin, R.V.2    Diezemann, G.3    Böhmer, R.4
  • 27
    • 0028499168 scopus 로고
    • R. Böhmer, K. L. Ngai, C. A. Angell, and D. J. Plazek, J. Chem. Phys. 99, 4201 (1993); R. Böhmer, J. Non-Cryst. Solids 172-174, 628 (1994).
    • (1994) J. Non-Cryst. Solids , vol.172-174 , pp. 628
    • Böhmer, R.1
  • 29
    • 85033177626 scopus 로고    scopus 로고
    • note
    • CD = 0.32 in conjunction with Ref. 19 and Eq. (1), it can be estimated that the capillary effect leads to an apparent speed-up of the relaxation by 0.09 decades. In view of the uncertainty of the permittivity parameters given above we will not consider this very small correction further.
  • 30
    • 0000283710 scopus 로고
    • g,cal, see Ref. 4. Furthermore, the parameters given here do not extrapolate to predict the high temperature relaxation time data of Ref. 9, a situation that has been noted similarly by, e.g., P. K. Dixon, Phys. Rev. B 42, 8179 (1990); C. Hansen, F. Stickel, T. Berger. R. Richert, and E. W. Fischer, J. Chem. Phys. (submitted), and references cited therein.
    • (1990) Phys. Rev. B , vol.42 , pp. 8179
    • Dixon, P.K.1
  • 31
    • 85033178795 scopus 로고    scopus 로고
    • submitted
    • g,cal, see Ref. 4. Furthermore, the parameters given here do not extrapolate to predict the high temperature relaxation time data of Ref. 9, a situation that has been noted similarly by, e.g., P. K. Dixon, Phys. Rev. B 42, 8179 (1990); C. Hansen, F. Stickel, T. Berger. R. Richert, and E. W. Fischer, J. Chem. Phys. (submitted), and references cited therein.
    • J. Chem. Phys.
    • Hansen, C.1    Stickel, F.2    Berger, T.3    Richert, R.4    Fischer, E.W.5
  • 33
    • 85033160897 scopus 로고    scopus 로고
    • note
    • Note that the small corrections due to the present sample geometry, not taken into account in Fig. 4, would slightly enhance the disagreement with the NMR data.


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