期刊
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
卷 8, 期 11, 页码 928-930出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.201409418
关键词
non-Fermi liquids; superconductivity; transition metals
资金
- EPSRC of the UK
- Trinity College, Cambridge
- Engineering and Physical Sciences Research Council [EP/K012894/1] Funding Source: researchfish
- EPSRC [EP/K012894/1] Funding Source: UKRI
In the d-electron system YFe2Ge2, an unusually high and temperature dependent Sommerfeld ratio of the specific heat capacity C /T approximate to 100 mJ/(mol K-2) and an anomalous power law temperature dependence of the electrical resistivity similar or equal to 0+AT3/2 signal Fermi liquid breakdown, probably connected to a close-by quantum critical point. Full resistive transitions and DC diamagnetic screening fractions of up to 80% suggest that pure samples of YFe2Ge2 superconduct below 1.8 K. ((c) 2014 WILEY-VCH Verlag GmbH &Co. KGaA, Weinheim)
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