G Sparn
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Explore the profile of G Sparn including associated specialties, affiliations and a list of published articles.
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7
Citations
35
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Recent Articles
1.
Miclea C, Nicklas M, Parker D, Maki K, Sarrao J, Thompson J, et al.
Phys Rev Lett
. 2006 Apr;
96(11):117001.
PMID: 16605851
Pressure studies of the thermodynamics of CeCoIn5 under magnetic fields H parallel to c and H parallel to ab have been made up to P = 1.34 GPa. We recorded...
2.
Yuan H, Grosche F, Deppe M, Sparn G, Geibel C, Steglich F
Phys Rev Lett
. 2006 Feb;
96(4):047008.
PMID: 16486879
In the archetypal strongly correlated electron superconductor CeCu2Si2 and its Ge-substituted alloys CeCu2(Si1-xGex)2 two quantum phase transitions--one magnetic and one of so far unknown origin-can be crossed as a function...
3.
Tokiwa Y, Gegenwart P, Radu T, Ferstl J, Sparn G, Geibel C, et al.
Phys Rev Lett
. 2005 Aug;
94(22):226402.
PMID: 16090416
We report dc-magnetization measurements on YbRh2Si2 at temperatures down to 0.04 K, magnetic fields B< or =11.5 T, and under hydrostatic pressure P< or =1.3 GPa. At ambient pressure a...
4.
Yuan H, Grosche F, Deppe M, Geibel C, Sparn G, Steglich F
Science
. 2003 Dec;
302(5653):2104-7.
PMID: 14684816
We report the presence of two disconnected superconducting domes in the pressure-temperature phase diagram of partially germanium-substituted CeCu2Si2. The lower density superconducting dome lies on the threshold of antiferromagnetic order,...
5.
Grosche F, Yuan H, Carrillo-Cabrera W, Paschen S, Langhammer C, Kromer F, et al.
Phys Rev Lett
. 2001 Dec;
87(24):247003.
PMID: 11736532
The clathrate compound Ba 6Ge25 and its relatives consist of a rigid germanium skeleton, into which barium or other metal atoms are coordinated. These guest atoms can "rattle" freely at...
6.
Trovarelli O, Geibel C, Mederle S, Langhammer C, Grosche F, Gegenwart P, et al.
Phys Rev Lett
. 2000 Sep;
85(3):626-9.
PMID: 10991356
We report the first observation of non-Fermi-liquid (NFL) effects in a clean Yb compound at ambient pressure and zero magnetic field. The electrical resistivity and the specific-heat coefficient of high-quality...
7.
Sparn G, Thompson J, Huang S, Kaner R, Diederich F, Whetten R, et al.
Science
. 1991 Jun;
252(5014):1829-31.
PMID: 17753258
The superconducting compound K(3)C(60) (with transition temperature T(c) = 19.3 kelvin at ambient pressure), formed as a single phase by reaction of alkali vapor with solids of the icosahedral C(60)...