Erratum: Ionic Conductivity and Association in CdF2

Tan, Y. T.; Kramp, D.

doi:10.1063/1.1675646

The Journal of Chemical Physics

1971

DOI: 10.1063/1.1675646

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Erratum: Ionic Conductivity and Association in CdF2

Y. T. Tan

D. Kramp

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Fluorine Self‐Diffusion in Pure and Doped CdF₂

Süptitz¹,

Brink²,

Becker³

1972

Physica Status Solidi (b)

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Using F 18 as tracer the fluorine diffusion is measured in single crystals of CdF,, undoped and doped with Na+ or La3+, in the temperature region 270 to 640 "C. The results are discussed with respect to the disorder and the attainable conversion of CdF, from an insulator to a semiconductor. The fluorine diffusion is large compared with the cation diffusion. I t s dependence on doping is characteristic of Frenkel disorder in the anion sublattice, whereby the fluorine vacancies are more mobile than the fluorine interstitials. From the temperature dependence of the diffusion coefficient follows a value of 0.39 eV for the activation enthalpy of motion of fluorine vacancies and 2.1 eV for the formation enthalpy of a Frenkel pair. Unter Verwendung von F 18 als Tracer wurde die Fluordiffusion in undotierten undNa+-oder La3+-dotierten CdF,-Einkristallen zwischen 270 und 640 ' C untersucht. Die Ergebnisse werden in bezug auf die Fehlordnung und die im CdF, mogliche Konversion Isolator-Halbleiter diskutiert. Die Fluordiffusion erweist sich als grod gegenuber der Kationendiffusion. Die Art der Abhangigkeit von der Dotierung ist charakteristisch fur FrenkelFehlordnung im Anionenteilgitter, wobei im untersuchten Temperaturbereich die Fluorlucken eine hohere Beweglichlreit haben als die Fluorionen auf Zwischengitterpliitzen. Aus der Temperaturabhangigkeit des Diffusionskoeffizienten folgt fur die Aktivierungsenthalpie der Fluorlucken 0,39 eV und fur die Bildungsenthalpie eines Frenkel-Paares 2,l eV.

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Fluorine Self‐Diffusion in Pure and Doped CdF₂

Süptitz¹,

Brink²,

Becker³

1972

Physica Status Solidi (b)

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Ionic Conductivity in CdF2

Tan

1971

The Journal of Chemical Physics

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Erratum: Ionic Conductivity and Association in CdF2

Cited by 2 publications

References 0 publications

Fluorine Self‐Diffusion in Pure and Doped CdF₂

Fluorine Self‐Diffusion in Pure and Doped CdF₂

Ionic Conductivity in CdF2

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Erratum: Ionic Conductivity and Association in CdF2

Cited by 2 publications

References 0 publications

Fluorine Self‐Diffusion in Pure and Doped CdF2

Fluorine Self‐Diffusion in Pure and Doped CdF2

Ionic Conductivity in CdF2

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Product

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Fluorine Self‐Diffusion in Pure and Doped CdF₂

Fluorine Self‐Diffusion in Pure and Doped CdF₂