Non-Fermi liquid behavior in the layered NaxCoO₂
The specific heat in the temperature region of 100 mK–360 K and in magnetic fields of 0 and 9 T, as well as the susceptibility from 2 to 360 K and in a magnetic field of 1 T have been measured in the layered NaxCoO₂ (x = 0.65, 0.70, and 0.75) oxides. Analysis of the data revealed non-Fermi liquid be...
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| Datum: | 2007 |
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| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
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| Online Zugang: | http://dspace.nbuv.gov.ua/handle/123456789/7716 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Non-Fermi liquid behavior in the layered NaxCoO₂ / A. Zorkovská, J. Šebek, E. Šantavá, I. Bradaric, A. Feher // Физика низких температур. — 2007. — Т. 33, № 11. — С. 1243-1247. — Бібліогр.: 19 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | The specific heat in the temperature region of 100 mK–360 K and in magnetic fields of 0 and 9 T, as well as the susceptibility from 2 to 360 K and in a magnetic field of 1 T have been measured in the layered NaxCoO₂ (x = 0.65, 0.70, and 0.75) oxides. Analysis of the data revealed non-Fermi liquid behavior. The character of the observed anomalies seems to be connected to the mesoscopic phase separation, underlining the impact of disorder on the low-lying excitations in cobaltates. |
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