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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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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-30D2-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-4CD0-F
Genre: Journal Article

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 Creators:
Mederle, S.1, Author              
Borth, R.2, Author              
Geibel, C.3, Author              
Grosche, F. M.1, Author              
Sparn, G.1, Author              
Trovarelli, O.1, Author              
Steglich, F.4, Author              
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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 Abstract: 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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Language(s): eng - English
 Dates: 2002-11-11
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 17821
ISI: 000179541700067
DOI: 10.1088/0953-8984/14/44/367
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Title: Journal of Physics-Condensed Matter
  Alternative Title : J. Phys.-Condes. Matter
Source Genre: Journal
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Pages: - Volume / Issue: 14 (44) Sequence Number: - Start / End Page: 10731 - 10736 Identifier: ISSN: 0953-8984