Intermediate Valence to Heavy Fermion Through a Quantum Phase Transition in Yb₃(Rh₁₋xTx)₄ Ge₁₃ (T = Co, Ir) Single Crystals

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dc.contributor.authorRai, Binod K.en_US
dc.contributor.authorOswald, Iain W. H.en_US
dc.contributor.authorChan, Julia Y.en_US
dc.contributor.authorMorosan, E.en_US
dc.contributor.utdAuthorOswald, Iain W. H.en_US
dc.contributor.utdAuthorChan, Julia Y.en_US
dc.date.accessioned2016-07-21T19:49:54Z
dc.date.available2016-07-21T19:49:54Z
dc.date.created2016-01-04en_US
dc.date.issued2016-01-04en_US
dc.description.abstractSingle crystals of Yb₃(Rh₁₋xTx)₄ Ge₁₃ (T = Co, Ir) have been grown using the self-flux method. Powder x-ray diffraction data on these compounds are consistent with the cubic structure with space group Pm3̅n. Intermediate-valence behavior is observed in Yb₃(Rh₁₋xTx)₄ Ge₁₃ upon T = Co doping, while T = Ir doping drives the system into a heavy-fermion state. Antiferromagnetic order is observed in the Ir-doped samples Yb₃(Rh₁₋xTx)₄ Ge₁₃ for 0.5 < x ≤ 1 with T_N = 0.96 K for Yb₃Ir₄Ge₁₃. With decreasing x, the magnetic order is suppressed towards a quantum critical point around x_c = 0.5, accompanied by non-Fermi-liquid behavior evidenced by logarithmic divergence of the specific heat and linear temperature dependence of the resistivity. The Fermi-liquid behavior is recovered with the application of large magnetic fields.en_US
dc.description.sponsorshipGordon and Betty Moore Foundation grant (GBMF4417); National Science Foundation (DMR-1360863)en_US
dc.identifier.bibliographicCitationRai, Binod K., Iain W. H. Oswald, Julia Y. Chan, and E. Morosan. 2016. "Intermediate valence to heavy fermion through a quantum phase transition in Yb₃(Rh₁₋xTx)₄ Ge₁₃ (T = Co, Ir) single crystals." Physical Review B 93(3): 035101-035101.en_US
dc.identifier.issn1098-0121en_US
dc.identifier.issue3en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/4961
dc.identifier.volume93en_US
dc.language.isoenen_US
dc.publisherAmer Physical Socen_US
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevB.93.035101
dc.rights©2016 American Physical Societyen_US
dc.sourcePhysical Review B
dc.subjectMatter--Propertiesen_US
dc.subjectCritical pointen_US
dc.subjectKondo effecten_US
dc.subjectSuperconductivityen_US
dc.subjectLutetiumen_US
dc.subjectYtterbiumen_US
dc.subjectMagnetic susceptibilityen_US
dc.subjectElectric resistanceen_US
dc.titleIntermediate Valence to Heavy Fermion Through a Quantum Phase Transition in Yb₃(Rh₁₋xTx)₄ Ge₁₃ (T = Co, Ir) Single Crystalsen_US
dc.type.genreArticleen_US

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