High Pressure Polymorphism in Cesium

A new polymorph of cesium, existing over the narrow pressure range from about 42.2 to 42.7 kilobars at room temperature, has been discovered. Its crystal structure is face-centered-cubic with a = 5,800 ± 0.007 Å at 42.5 kb and 27°C. Cesium-II, which exists over the pressure range 23.7 to 42.2 kb, is...

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Published inScience (American Association for the Advancement of Science) Vol. 146; no. 3649; pp. 1297 - 1299
Main Authors Hall, H. Tracy, Merrill, Leo, Barnett, J. Dean
Format Journal Article
LanguageEnglish
Published United States American Association for the Advancement of Science 04.12.1964
Subjects
Cell walls
Cesium
Crystals
Infections
Mathematical cusps
Penicillin
Polyethylenes
Protoplasts
Pyelonephritis
Wave diffraction
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Summary:A new polymorph of cesium, existing over the narrow pressure range from about 42.2 to 42.7 kilobars at room temperature, has been discovered. Its crystal structure is face-centered-cubic with a = 5,800 ± 0.007 Å at 42.5 kb and 27°C. Cesium-II, which exists over the pressure range 23.7 to 42.2 kb, is also face-centered-cubic with a = 5.984 ± 0.011 Å at 41 kb and 27°C. An improved resistance-pressure curve and x-ray compressibility measurements for Cs are also given.
Bibliography:ObjectType-Article-1
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.146.3649.1297