000202012 001__ 202012 000202012 005__ 20250129094317.0 000202012 0247_ $$2doi$$a10.1103/PhysRevB.91.224304 000202012 0247_ $$2ISSN$$a0163-1829 000202012 0247_ $$2ISSN$$a0556-2805 000202012 0247_ $$2ISSN$$a1095-3795 000202012 0247_ $$2ISSN$$a1098-0121 000202012 0247_ $$2ISSN$$a1550-235X 000202012 0247_ $$2Handle$$a2128/8877 000202012 0247_ $$2WOS$$aWOS:000356129600006 000202012 0247_ $$2altmetric$$aaltmetric:21826737 000202012 037__ $$aFZJ-2015-04301 000202012 041__ $$aEnglish 000202012 082__ $$a530 000202012 1001_ $$0P:(DE-HGF)0$$aSergueev, I.$$b0$$eCorresponding Author 000202012 245__ $$aQuenching rattling modes in skutterudites with pressure 000202012 260__ $$aCollege Park, Md.$$bAPS$$c2015 000202012 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1435236425_9505 000202012 3367_ $$2DataCite$$aOutput Types/Journal article 000202012 3367_ $$00$$2EndNote$$aJournal Article 000202012 3367_ $$2BibTeX$$aARTICLE 000202012 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000202012 3367_ $$2DRIVER$$aarticle 000202012 520__ $$aA high-pressure study of the lattice dynamics in the filled skutterudite Eu0.84Fe4Sb12 was carried out by means of x-ray powder diffraction and nuclear inelastic scattering. The anharmonicity of particular phonon modes was characterized by mode and element specific Grüneisen parameters. The large anharmonicity of the rattling optical mode that is hybridized with the acoustical phonons at ambient pressure is reduced at high pressure as the phonon modes decouple. This result suggests that anharmonic coupling between acoustic and optical phonon modes plays a central role in the reduced thermal conductivity. 000202012 536__ $$0G:(DE-HGF)POF3-144$$a144 - Controlling Collective States (POF3-144)$$cPOF3-144$$fPOF III$$x0 000202012 536__ $$0G:(DE-HGF)POF3-542$$a542 - Hybrid and Functionalised Structures (POF3-542)$$cPOF3-542$$fPOF III$$x1 000202012 536__ $$0G:(DE-HGF)POF3-6213$$a6213 - Materials and Processes for Energy and Transport Technologies (POF3-621)$$cPOF3-621$$fPOF III$$x2 000202012 536__ $$0G:(DE-HGF)POF3-6G4$$a6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)$$cPOF3-623$$fPOF III$$x3 000202012 542__ $$2Crossref$$i2015-06-15$$uhttp://link.aps.org/licenses/aps-default-license 000202012 542__ $$2Crossref$$i2016-06-14$$uhttp://link.aps.org/licenses/aps-default-accepted-manuscript-license 000202012 588__ $$aDataset connected to CrossRef, juser.fz-juelich.de 000202012 7001_ $$0P:(DE-HGF)0$$aGlazyrin, K.$$b1 000202012 7001_ $$0P:(DE-HGF)0$$aKantor, I.$$b2 000202012 7001_ $$0P:(DE-HGF)0$$aMcGuire, M. 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C.$$b6 000202012 7001_ $$0P:(DE-Juel1)130706$$aHermann, Raphael$$b7 000202012 77318 $$2Crossref$$3journal-article$$a10.1103/physrevb.91.224304$$bAmerican Physical Society (APS)$$d2015-06-15$$n22$$p224304$$tPhysical Review B$$v91$$x1098-0121$$y2015 000202012 773__ $$0PERI:(DE-600)2844160-6$$a10.1103/PhysRevB.91.224304$$gVol. 91, no. 22, p. 224304$$n22$$p224304$$tPhysical review / B$$v91$$x1098-0121$$y2015 000202012 8564_ $$uhttps://juser.fz-juelich.de/record/202012/files/PhysRevB.91.224304.pdf$$yOpenAccess 000202012 8564_ $$uhttps://juser.fz-juelich.de/record/202012/files/PhysRevB.91.224304.gif?subformat=icon$$xicon$$yOpenAccess 000202012 8564_ $$uhttps://juser.fz-juelich.de/record/202012/files/PhysRevB.91.224304.jpg?subformat=icon-1440$$xicon-1440$$yOpenAccess 000202012 8564_ $$uhttps://juser.fz-juelich.de/record/202012/files/PhysRevB.91.224304.jpg?subformat=icon-180$$xicon-180$$yOpenAccess 000202012 8564_ $$uhttps://juser.fz-juelich.de/record/202012/files/PhysRevB.91.224304.jpg?subformat=icon-640$$xicon-640$$yOpenAccess 000202012 8564_ $$uhttps://juser.fz-juelich.de/record/202012/files/PhysRevB.91.224304.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000202012 909CO $$ooai:juser.fz-juelich.de:202012$$pdnbdelivery$$pVDB$$pdriver$$popen_access$$popenaire 000202012 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)144500$$aForschungszentrum Jülich GmbH$$b5$$kFZJ 000202012 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130706$$aForschungszentrum Jülich GmbH$$b7$$kFZJ 000202012 9130_ $$0G:(DE-HGF)POF2-422$$1G:(DE-HGF)POF2-420$$2G:(DE-HGF)POF2-400$$aDE-HGF$$bSchlüsseltechnologien$$lGrundlagen für zukünftige Informationstechnologien$$vSpin-based and quantum information$$x0 000202012 9130_ $$0G:(DE-HGF)POF2-424$$1G:(DE-HGF)POF2-420$$2G:(DE-HGF)POF2-400$$aDE-HGF$$bSchlüsseltechnologien$$lGrundlagen für zukünftige Informationstechnologien$$vExploratory materials and phenomena$$x1 000202012 9130_ $$0G:(DE-HGF)POF2-542$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen und Ionen (PNI)$$vNeutrons$$x2 000202012 9130_ $$0G:(DE-HGF)POF2-544$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen und Ionen (PNI)$$vIn-house Research with PNI$$x3 000202012 9130_ $$0G:(DE-HGF)POF2-54G24$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen und Ionen (PNI)$$vJCNS$$x4 000202012 9131_ $$0G:(DE-HGF)POF3-144$$1G:(DE-HGF)POF3-140$$2G:(DE-HGF)POF3-100$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bEnergie$$lFuture Information Technology - 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