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Volumn 75, Issue 2, 2010, Pages 209-216

Lon sweeping in conducting dielectric materials

Author keywords

[No Author keywords available]

Indexed keywords

BASE TEMPERATURE; CLEANING METHODS; DIELECTRIC LOSS SPECTRA; DIPOLE RELAXATION; ELECTRICAL FIELD; GAIN INSIGHT; IONIC IMPURITY; LOW FREQUENCY; LOW FREQUENCY DYNAMICS; SMALL MOLECULES; SUPERCOOLED LIQUIDS; TEMPERATURE CYCLING;

EID: 77954563674     PISSN: 14346028     EISSN: 14346036     Source Type: Journal    
DOI: 10.1140/epjb/e2010-00142-2     Document Type: Article
Times cited : (14)

References (61)
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    • Here ionic liquids and melts are well-known representatives. For an example of an almost hidden relaxation process see Figure 3 in
    • Here ionic liquids and melts are well-known representatives. For an example of an almost hidden relaxation process see Figure 3 in A. Pimenov, P. Lunkenheimer, M. Nicklas, R. Böhmer, A. Loidl, C. A. Angell, J. Non-Cryst. Solids 220, 83 (1997)
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    • 0041298525 scopus 로고
    • latter case has been discussed under the name 'colossal dielectric constant' 13. Layered capacitors can also be advantageous when it is desired to create a well-defined electrochemical situation at the electrode interface, see e.g., in, edited by N. Riehl, B. Bullemer, H. Engelhardt Plenum, New York, or reference 5
    • the latter case has been discussed under the name 'colossal dielectric constant' 13. Layered capacitors can also be advantageous when it is desired to create a well-defined electrochemical situation at the electrode interface, see e.g., S. Mounier, P. Sixou, in Physics of Ice, edited by N. Riehl, B. Bullemer, H. Engelhardt (Plenum, New York, 1969), p. 562 or reference [5]
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    • 0342453781 scopus 로고    scopus 로고
    • We used a sapphire/invar cell analogous to that described by
    • We used a sapphire/invar cell analogous to that described by H. Wagner, R. Richert, J. Phys. Chem. B 103, 4071 (1999)
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    • Wagner, H.1    Richert, R.2
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    • 0015124754 scopus 로고
    • We have also successfully performed electrical cleaning experiments using the internal bias voltage option of the E4991A radio-frequency reflectometer from Agilent Co. This allows one to apply a dc voltage up to 30 V across the sample 37. The degree of self-dissociation depends on the polarity of the liquid but seems insignificant for non-associating liquids, for a brief survey see
    • We have also successfully performed electrical cleaning experiments using the internal bias voltage option of the E4991A radio-frequency reflectometer from Agilent Co. This allows one to apply a dc voltage up to 30 V across the sample 37. The degree of self-dissociation depends on the polarity of the liquid but seems insignificant for non-associating liquids, for a brief survey see N. Felici, Direct Current 2, 90 (1971)
    • (1971) Direct Current , vol.2 , pp. 90
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  • 37
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    • edited by F. Kremer, A. Schönhals Springer, Berlin, For electrode polarization effects see in particular Chapter 3.4.2 and the references cited therein
    • A. Schönhals, F. Kremer, in Broadband dielectric spectroscopy, edited by F. Kremer, A. Schönhals (Springer, Berlin, 2002), p. 35. For electrode polarization effects see in particular Chapter 3.4.2 and the references cited therein
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  • 40
    • 43149104402 scopus 로고    scopus 로고
    • In the mean-time the low-frequency features have been found for a number of liquids. It is probably caused by translational motion additionally detected by proton NMR
    • private communication
    • C. Gainaru, O. Lips, A. Troshagina, R. Kahlau, A. Brodin, F. Fujara, E. A. Rössler, J. Chem. Phys. 128, 174505 (2008). In the mean-time the low-frequency features have been found for a number of liquids. It is probably caused by translational motion additionally detected by proton NMR, E. Rossler (private communication, 2010)
    • (2008) J. Chem. Phys. , vol.128 , pp. 174505
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  • 43
    • 84864167941 scopus 로고    scopus 로고
    • Expectedly, the approximation ∂ε ω/∂lnω & - π/2ε" which is only applicable to broad relaxation patterns fails badly not shown
    • Expectedly, the approximation ∂ε (ω)/∂lnω & - π/2ε" which is only applicable to broad relaxation patterns fails badly (not shown)
  • 44
    • 0004223515 scopus 로고
    • Chelsea, London, The transformation program involves an extrapolation of the data by one decade on either side of the experimental frequency range
    • A. K. Jonscher, Dielectric Relaxation in Solids (Chelsea, London, 1983), p. 54. The transformation program involves an extrapolation of the data by one decade on either side of the experimental frequency range
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  • 47
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    • consequences of this 'Teflon effect' were recently explicitly calculated using the modulus formalism, unpublished, private communication
    • The consequences of this 'Teflon effect' were recently explicitly calculated using the modulus formalism, M. Paluch, S. Pawlus, K. Kaminski (unpublished, private communication)
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    • For a more detailed discussion of the extent of coupling of structural and conductivity relaxations in various substances, see
    • For a more detailed discussion of the extent of coupling of structural and conductivity relaxations in various substances, see C. A. Angell, Chem. Rev. 90, 523 (1990)
    • (1990) Chem. Rev. , vol.90 , pp. 523
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  • 55
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    • Typical diffusion coefficient near the glass transition temperature are orders of magnitude smaller, so the given estimate can be considered rather conservative
    • Typical diffusion coefficient near the glass transition temperature are orders of magnitude smaller, so the given estimate can be considered rather conservative


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