Comparison of the effects of chemical and mechanical pressure in CeCoGe3−xSix alloys

The system CeCoGe3-xSix is of special interest since there is evidence that a quantum critical point of the antiferromagnetic phase can be approached by alloying as well as by application of high pressure. With new results of AC-susceptibility and specific heat measurements on CeCoGe2.1SiO.9 under h...

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Published inPhysica. B, Condensed matter Vol. 359-361; pp. 278 - 280
Main Authors Rosch, Anja, de Medeiros, S.N., Fontes, M.B., Baggio-Saitovitch, E.M., Eichler, A.
Format Journal Article
LanguageEnglish
Published 01.04.2005
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Summary:The system CeCoGe3-xSix is of special interest since there is evidence that a quantum critical point of the antiferromagnetic phase can be approached by alloying as well as by application of high pressure. With new results of AC-susceptibility and specific heat measurements on CeCoGe2.1SiO.9 under high pressure presented here, we show by comparison with former data that the tuning parameters composition and pressure, respectively, are equivalent. Alloy and pressure data fit in a common phase diagram. The quantitative behavior of c/T under pressure, too, corresponds to that under changes of composition.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0921-4526
DOI:10.1016/j.physb.2005.01.098