Publication Date

1978

Document Type

Dissertation/Thesis

First Advisor

Kimball, Clyde W.

Degree Name

M.S. (Master of Science)

Legacy Department

Department of Physics

LCSH

Mössbauer spectroscopy; Superconductors; Tin compounds

Abstract

A Mössbauer study has been designed to measure the ¹⁵¹Eu vibrational motion over the temperature range of 4.2 K to 160. K in the superconducting compound Sn.₇₅Eu.₂₅Mo₆S₈. The spectra at all temperatures consist of an unresolved eight line quadrupole pattern corresponding to the 2⁺ ionic state and an additional single line corresponding to the diamagnetic 3⁺ ionic state of europium. The width, intensity and the shift of the 2⁺ absorption pattern was monitored in an effort to explain the anomalous behavior of europium in this Chevrel Phase superconductor. The data are compared with previous research results in which the ¹¹⁹Sn site was used as a probe in a similar compound.

Comments

Includes bibliographical references.||Includes illustrations.

Extent

v, 32 pages

Language

eng

Publisher

Northern Illinois University

Rights Statement

In Copyright

Rights Statement 2

NIU theses are protected by copyright. They may be viewed from Huskie Commons for any purpose, but reproduction or distribution in any format is prohibited without the written permission of the authors.

Media Type

Text

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