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  An unconventional metallic state in YbRh2(Si1-xGex)2 - a high pressure study

Mederle, S., Borth, R., Geibel, C., Grosche, F. M., Sparn, G., Trovarelli, O., et al. (2002). An unconventional metallic state in YbRh2(Si1-xGex)2 - a high pressure study. Journal of Physics-Condensed Matter, 14(44), 10731-10736. doi:10.1088/0953-8984/14/44/367.

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Mederle, S.1, Autor           
Borth, R.2, Autor           
Geibel, C.3, Autor           
Grosche, F. M.1, Autor           
Sparn, G.1, Autor           
Trovarelli, O.1, Autor           
Steglich, F.4, Autor           
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
3Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863465              
4Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              

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 Zusammenfassung: We present a detailed pressure study of the electrical resistivity p(T) and the specific heat C(T) of the non-Fermi- liquid (NFL) compound YbRh2Si2, and of p(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 congruent to 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 p (T) as well as the magnetic phase diagram are not influenced by the disorder introduced by alloying.

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Sprache(n): eng - English
 Datum: 2002-11-11
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 17821
ISI: 000179541700067
DOI: 10.1088/0953-8984/14/44/367
 Art des Abschluß: -

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Titel: Journal of Physics-Condensed Matter
  Alternativer Titel : J. Phys.-Condes. Matter
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 14 (44) Artikelnummer: - Start- / Endseite: 10731 - 10736 Identifikator: ISSN: 0953-8984