mm-wave absorption and Raman scattering from glass-like features in fluorite mixed crystals

Abstract

One way to obtain new information about the ubiquitous low-lying two-level systems found in glasses is to identify them in appropriately modified crystals and then vary the crystal properties. Here our low-temperature mm-wave absorption and Raman scattering measurements on a number of mixed fluorite crystals are reviewed. It is shown that these single-crystal materials possess a broad distribution of two-level systems similar to what is found in the amorphous state.

Publisher

North-Holland

Publication Date

1-1-1998

Publication Title

Physica B: Condensed Matter

Department

Physics and Astronomy

Document Type

Article

DOI

10.1016/S0921-4526(97)00481-X

Keywords

Millimeter waves, Raman spectroscopy, Far-infrared spectroscopy, Mixed fluoride crystals

Language

English

Format

text

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