Gamma rays dosimetry by solutions of cholesteric liquid crystals

Z. B. Alfassi; L. Feldman; A. P. Kushelvesky

doi:10.1080/00337577708237458

Gamma rays dosimetry by solutions of cholesteric liquid crystals

Z. B. Alfassi, L. Feldman, A. P. Kushelvesky

Unit of Nuclear Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The γ irradiation of organic solutions of Cholesteric Liquid Crystals (CLC) leads to a decrease in the temperature at which CLC films made from these solutions change colours compared to films prepared from the unirradiated solutions. The decrease in the color transition temperature was found to be proportional to the absorbed dose. The proportionality coefficient can be varied by changing the solvent and the concentration of the solute thus making this system suitable for dosimetry over a large range (tens of Krads to tens of Mrads).

Original language	English
Pages (from-to)	67-72
Number of pages	6
Journal	Radiation Effects
Volume	32
Issue number	1-2
DOIs	https://doi.org/10.1080/00337577708237458
State	Published - 1 Jan 1977

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Engineering (all)

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abstract = "The γ irradiation of organic solutions of Cholesteric Liquid Crystals (CLC) leads to a decrease in the temperature at which CLC films made from these solutions change colours compared to films prepared from the unirradiated solutions. The decrease in the color transition temperature was found to be proportional to the absorbed dose. The proportionality coefficient can be varied by changing the solvent and the concentration of the solute thus making this system suitable for dosimetry over a large range (tens of Krads to tens of Mrads).",

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N2 - The γ irradiation of organic solutions of Cholesteric Liquid Crystals (CLC) leads to a decrease in the temperature at which CLC films made from these solutions change colours compared to films prepared from the unirradiated solutions. The decrease in the color transition temperature was found to be proportional to the absorbed dose. The proportionality coefficient can be varied by changing the solvent and the concentration of the solute thus making this system suitable for dosimetry over a large range (tens of Krads to tens of Mrads).

AB - The γ irradiation of organic solutions of Cholesteric Liquid Crystals (CLC) leads to a decrease in the temperature at which CLC films made from these solutions change colours compared to films prepared from the unirradiated solutions. The decrease in the color transition temperature was found to be proportional to the absorbed dose. The proportionality coefficient can be varied by changing the solvent and the concentration of the solute thus making this system suitable for dosimetry over a large range (tens of Krads to tens of Mrads).

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Gamma rays dosimetry by solutions of cholesteric liquid crystals

Abstract

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