65. Ku ¨gler R, Schmitt J, Knoll W (2002) The swelling behavior of polyelectrolyte multilayers
in air of different relative humidity and in water. Macromol Chem Phys 203:413–419
66. De S, Cramer C, Scho ¨nhoff M (2011) Humidity dependence of the ionic conductivity of
polyelectrolyte complexes. Macromolecules 44:8936–8943
67. Cramer C, De S, Scho ¨nhoff M (2011) Time-humidity-superposition principle in electrical
conductivity spectra of ion-conducting polymers. Phys Rev Lett 107:028301
68. Dyre JC, Maass P, Roling B, Sidebottom DL (2009) Fundamental questions relating to ion
conduction in disordered solids. Rep Prog Phys 72: 046501
69. Summerfield S (1985) Universal low-frequency behavior in the ac hopping conductivity
of dispersed systems. Philos Mag B 52:9–22
70. Summerfield S, Butcher PN (1985) Universal behavior of ac hopping conductivity of disordered systems. J Non-Cryst Solids 77–8:135–138
71. Murugavel S, Roling B (2002) Ac conductivity spectra of alkali tellurite glasses: compositiondependent deviations from the Summerfield scaling. Phys Rev Lett 89:195902
72. Murugavel S, Roling B (2004) Ionic transport in glassy networks with high electronic
polarizabilities: conductivity spectroscopic results indicating a vacancy-type transport mechanism.
J Phys Chem B 108:2564–2567
73. Baranovskii SD, Cordes H (1999) On the conduction mechanism in ionic glasses. J Chem Phys
111:7546–7557
74. Ravaine D, Souquet JL (1977) Thermodynamic approachto ionic conductivity in oxide glasses.
1. Correlation of ionic conductivity with chemical potential of alkali oxide in oxide glasses.
Phys Chem Glasses 18:27–31
75. Spruijt E, Sprakel J, Lemmers M, Stuart MAC, van der Gucht J (2010) Relaxation dynamics at
different time scales in electrostatic complexes: time-salt superposition. Phys Rev Lett
105:208301
76. Imre A ´ W, Voss S, Mehrer H (2002) Ionic transport in 0.2[XNa2OÁ(1-X)Rb2O]Á0.8B2O3
mixed-alkali glasses. Phys Chem Chem Phys 4:3219–3224
77. Cramer C, Bru ¨ckner S, Gao Y, Funke K (2002) Ion dynamics in mixed alkali glasses. Phys
Chem Chem Phys 4:3214–3218
138
C. Cramer and M. Scho ¨nhoff
in air of different relative humidity and in water. Macromol Chem Phys 203:413–419
66. De S, Cramer C, Scho ¨nhoff M (2011) Humidity dependence of the ionic conductivity of
polyelectrolyte complexes. Macromolecules 44:8936–8943
67. Cramer C, De S, Scho ¨nhoff M (2011) Time-humidity-superposition principle in electrical
conductivity spectra of ion-conducting polymers. Phys Rev Lett 107:028301
68. Dyre JC, Maass P, Roling B, Sidebottom DL (2009) Fundamental questions relating to ion
conduction in disordered solids. Rep Prog Phys 72: 046501
69. Summerfield S (1985) Universal low-frequency behavior in the ac hopping conductivity
of dispersed systems. Philos Mag B 52:9–22
70. Summerfield S, Butcher PN (1985) Universal behavior of ac hopping conductivity of disordered systems. J Non-Cryst Solids 77–8:135–138
71. Murugavel S, Roling B (2002) Ac conductivity spectra of alkali tellurite glasses: compositiondependent deviations from the Summerfield scaling. Phys Rev Lett 89:195902
72. Murugavel S, Roling B (2004) Ionic transport in glassy networks with high electronic
polarizabilities: conductivity spectroscopic results indicating a vacancy-type transport mechanism.
J Phys Chem B 108:2564–2567
73. Baranovskii SD, Cordes H (1999) On the conduction mechanism in ionic glasses. J Chem Phys
111:7546–7557
74. Ravaine D, Souquet JL (1977) Thermodynamic approachto ionic conductivity in oxide glasses.
1. Correlation of ionic conductivity with chemical potential of alkali oxide in oxide glasses.
Phys Chem Glasses 18:27–31
75. Spruijt E, Sprakel J, Lemmers M, Stuart MAC, van der Gucht J (2010) Relaxation dynamics at
different time scales in electrostatic complexes: time-salt superposition. Phys Rev Lett
105:208301
76. Imre A ´ W, Voss S, Mehrer H (2002) Ionic transport in 0.2[XNa2OÁ(1-X)Rb2O]Á0.8B2O3
mixed-alkali glasses. Phys Chem Chem Phys 4:3219–3224
77. Cramer C, Bru ¨ckner S, Gao Y, Funke K (2002) Ion dynamics in mixed alkali glasses. Phys
Chem Chem Phys 4:3214–3218
138
C. Cramer and M. Scho ¨nhoff