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An unconventional metallic state in YbRh<sub>2</sub>(Si<sub>1 x</sub>Ge<sub>x</sub>)<sub>2</sub> a high pressure study
31
Citations
6
References
2002
Year
Magnetic PropertiesEngineeringSolid-state ChemistryMagnetismSuperconductivityQuantum MaterialsDetailed Pressure StudyNfl BehaviourMaterials ScienceMaterials EngineeringHigh-tc SuperconductivityPhysicsCrystalline DefectsCrystal MaterialHigh Pressure StudySemiconductor MaterialUnconventional Metallic StateSolid-state PhysicSpecific ResistanceApplied PhysicsCondensed Matter PhysicsElectrical Resistivity ρ
We present a detailed pressure study of the electrical resistivity ρ(T) and the specific heat C(T) of the non-Fermi-liquid (NFL) compound YbRh2Si2 and of ρ(T) for a single crystal in which 5 at.% of Si is replaced by isoelectronic Ge. The magnetic phase diagram is deduced up to p ∼ = 2.5 GPa. A comparison of the effects of the volume change introduced by doping and/or by hydrostatic pressure will be given. We show that the NFL behaviour observed in ρ(T) as well as the magnetic phase diagram are not influenced by the disorder introduced by alloying.
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