Evidence for a new magnetic field scale in CeCoIn5

I. Sheikin; H. Jin; R. Bel; K. Behnia; C. Proust; J. Flouquet; Y. Matsuda; D. Aoki; Y. Onuki

doi:10.1103/PhysRevLett.96.077207

Evidence for a new magnetic field scale in CeCoIn5

I. Sheikin, H. Jin, R. Bel, K. Behnia, C. Proust, J. Flouquet, Y. Matsuda, D. Aoki, Y. Onuki

IMR - Materials Processing and Characterization Division

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

The Nernst coefficient of CeCoIn5 displays two distinct anomalies in magnetic field. The feature detected at HK∼23T is similar to what is observed in CeRu2Si2 at Hm=7.8T where a metamagnetic transition occurs. In CeCoIn5, new frequencies are observed in de Haas-van Alphen oscillations when the field exceeds 23 T where the Dingle temperature decreases by about 30%. Based on the Nernst coefficient anomalies, the magnetic phase diagram of CeCoIn5 is revised.

Original language	English
Article number	077207
Journal	Physical Review Letters
Volume	96
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.96.077207
Publication status	Published - 2006

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10.1103/PhysRevLett.96.077207

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abstract = "The Nernst coefficient of CeCoIn5 displays two distinct anomalies in magnetic field. The feature detected at HK∼23T is similar to what is observed in CeRu2Si2 at Hm=7.8T where a metamagnetic transition occurs. In CeCoIn5, new frequencies are observed in de Haas-van Alphen oscillations when the field exceeds 23 T where the Dingle temperature decreases by about 30%. Based on the Nernst coefficient anomalies, the magnetic phase diagram of CeCoIn5 is revised.",

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AU - Sheikin, I.

AU - Jin, H.

AU - Bel, R.

AU - Behnia, K.

AU - Proust, C.

AU - Flouquet, J.

AU - Matsuda, Y.

AU - Aoki, D.

AU - Onuki, Y.

PY - 2006

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AB - The Nernst coefficient of CeCoIn5 displays two distinct anomalies in magnetic field. The feature detected at HK∼23T is similar to what is observed in CeRu2Si2 at Hm=7.8T where a metamagnetic transition occurs. In CeCoIn5, new frequencies are observed in de Haas-van Alphen oscillations when the field exceeds 23 T where the Dingle temperature decreases by about 30%. Based on the Nernst coefficient anomalies, the magnetic phase diagram of CeCoIn5 is revised.

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Evidence for a new magnetic field scale in CeCoIn5

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