scholarly journals Thermotropic interface and core relaxation dynamics of liquid crystals in silica glass nanochannels: a dielectric spectroscopy study

2015 ◽  
Vol 17 (34) ◽  
pp. 22115-22124 ◽  
Author(s):  
Sylwia Całus ◽  
Lech Borowik ◽  
Andriy V. Kityk ◽  
Manfred Eich ◽  
Mark Busch ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Mesoporous Silica ◽  
Dielectric Relaxation ◽  
Dielectric Spectroscopy ◽  
Silica Glass ◽  
Dielectric Relaxation Spectroscopy ◽  
Spectroscopy Study ◽  
Relaxation Dynamics ◽  
Silica Membrane

We report dielectric relaxation spectroscopy experiments on two rod-like liquid crystals of the cyanobiphenyl family (5CB and 6CB) confined in tubular nanochannels with 7 nm radius and 340 micrometer length in a monolithic, mesoporous silica membrane.

Temperature dependent dielectric relaxation of ionic liquid ([bmim][BF4])/alcohol binary mixtures

2017 ◽  
Vol 41 (17) ◽  
pp. 9330-9337 ◽  
Author(s):  
Man Yang ◽  
Liyan Ma ◽  
Kongshuang Zhao
Keyword(s):  
Ionic Liquid ◽  
Dielectric Relaxation ◽  
Binary Mixtures ◽  
Dielectric Spectroscopy ◽  
Spectroscopy Study ◽  
Frequency Range ◽  
Temperature Dependent

A dielectric spectroscopy study on the binary mixtures of the ionic liquid (IL) 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF4]) and four kinds of alcohols as a function of temperature was carried out over a frequency range of 100 MHz to 20 GHz.

scholarly journals Relaxation dynamics of blends of PVDF and zwitterionic copolymer by dielectric relaxation spectroscopy

2020 ◽  
Vol 58 (9) ◽  
pp. 1311-1324
Author(s):  
Andrew G. Clark ◽  
Miriam Salcedo Montero ◽  
Nelaka D. Govinna ◽  
Samuel J. Lounder ◽  
Ayse Asatekin ◽  
...  
Keyword(s):  
Dielectric Relaxation ◽  
Dielectric Relaxation Spectroscopy ◽  
Relaxation Dynamics

scholarly journals Disruption of the self-molecular association of pentanol in binary mixtures with alkylbenzoates: a dielectric relaxation spectroscopy study

RSC Advances ◽  
2016 ◽  
Vol 6 (2) ◽  
pp. 1260-1267 ◽  
Author(s):  
Samiyara Begum ◽  
Abhinay Vardhan ◽  
Atul Chaudhary ◽  
Ranga Subramanian
Keyword(s):  
Dielectric Relaxation ◽  
Binary Mixtures ◽  
Molecular Association ◽  
The Self ◽  
Dielectric Relaxation Spectroscopy ◽  
Spectroscopy Study ◽  
Rich Region ◽  
Relaxation Study

A dielectric relaxation study of binary mixtures of associative pentanol isomers and non-associative alkylbenzoates at different mole fractions revealed that the effective dipole rotates faster in the alkylbenzoate rich region.

Effect of grafting density on conformation of poly(acrylic acid) in solution by dielectric spectroscopy

Soft Matter ◽  
2018 ◽  
Vol 14 (35) ◽  
pp. 7190-7203 ◽  
Author(s):  
Xinlu Zhou ◽  
Kongshuang Zhao
Keyword(s):  
Acrylic Acid ◽  
Ethylene Oxide ◽  
Dielectric Relaxation ◽  
Dielectric Spectroscopy ◽  
Dielectric Relaxation Spectroscopy ◽  
Frequency Range ◽  
Grafting Density ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene ◽  
Poly Acrylic Acid

The effect of grafting density of poly(ethylene oxide) and dodecyl groups on the conformation of poly(acrylic acid) in solution was clarified by dielectric relaxation spectroscopy over a frequency range from 40 Hz to 110 MHz.

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