Dynamics of iron and europium in Nafion polymer membranes

E. R. Bauminger; L. May; I. Nowik; C. Heitner-Wirguin

doi:10.1007/BF02399480

Dynamics of iron and europium in Nafion polymer membranes

E. R. Bauminger^*, L. May, I. Nowik, C. Heitner-Wirguin

^*Corresponding author for this work

Racah Institute of Physics

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

7 Scopus citations

Abstract

Mossbauer spectral studies of Fe²⁺ and Eu³⁺ in Nafion polymer membranes in the temperature range between 90K and 250K have been performed. Above a critical temperature (∼180K) the spectra show a sharp decrease in the f-factor. Both the iron and europium spectra contain elastic narrow and quasielastic broad absorption lines, which are typical of bounded diffusion phenomena observed in biopolymers. The results are interpreted in terms of bounded diffusive motion of the metal ion using a model based on overdamped harmonically bound Brownian motion. The temperature dependence of the f-factor changes with the amount of water contained in the polymer.

Original language	English
Pages (from-to)	1335-1338
Number of pages	4
Journal	Hyperfine Interactions
Volume	29
Issue number	1-4
DOIs	https://doi.org/10.1007/BF02399480
State	Published - Feb 1986

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title = "Dynamics of iron and europium in Nafion polymer membranes",

abstract = "Mossbauer spectral studies of Fe2+ and Eu3+ in Nafion polymer membranes in the temperature range between 90K and 250K have been performed. Above a critical temperature (∼180K) the spectra show a sharp decrease in the f-factor. Both the iron and europium spectra contain elastic narrow and quasielastic broad absorption lines, which are typical of bounded diffusion phenomena observed in biopolymers. The results are interpreted in terms of bounded diffusive motion of the metal ion using a model based on overdamped harmonically bound Brownian motion. The temperature dependence of the f-factor changes with the amount of water contained in the polymer.",

author = "Bauminger, {E. R.} and L. May and I. Nowik and C. Heitner-Wirguin",

year = "1986",

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doi = "10.1007/BF02399480",

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T1 - Dynamics of iron and europium in Nafion polymer membranes

AU - Bauminger, E. R.

AU - May, L.

AU - Nowik, I.

AU - Heitner-Wirguin, C.

PY - 1986/2

Y1 - 1986/2

N2 - Mossbauer spectral studies of Fe2+ and Eu3+ in Nafion polymer membranes in the temperature range between 90K and 250K have been performed. Above a critical temperature (∼180K) the spectra show a sharp decrease in the f-factor. Both the iron and europium spectra contain elastic narrow and quasielastic broad absorption lines, which are typical of bounded diffusion phenomena observed in biopolymers. The results are interpreted in terms of bounded diffusive motion of the metal ion using a model based on overdamped harmonically bound Brownian motion. The temperature dependence of the f-factor changes with the amount of water contained in the polymer.

AB - Mossbauer spectral studies of Fe2+ and Eu3+ in Nafion polymer membranes in the temperature range between 90K and 250K have been performed. Above a critical temperature (∼180K) the spectra show a sharp decrease in the f-factor. Both the iron and europium spectra contain elastic narrow and quasielastic broad absorption lines, which are typical of bounded diffusion phenomena observed in biopolymers. The results are interpreted in terms of bounded diffusive motion of the metal ion using a model based on overdamped harmonically bound Brownian motion. The temperature dependence of the f-factor changes with the amount of water contained in the polymer.

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JO - Hyperfine Interactions

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Dynamics of iron and europium in Nafion polymer membranes

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