Anomalous flux-flow Hall effect: Nd1.85Ce0.15CuO4-y and evidence for vortex dynamics

S. J. Hagen, A. W. Smith, M. Rajeswari, J. L. Peng, Z. Y. Li, R. L. Greene, S. N. Mao, X. X. Xi, S. Bhattacharya, Qi Li, C. J. Lobb

Research output: Contribution to journalArticle

178 Citations (Scopus)

Abstract

We report an observation of a sign change in the Hall resistivity xy in the superconducting state of the n-type superconductor Nd1.85Ce0.15CuO4-y. This anomaly in other superconductors has widely been attributed to extrinsic effects, such as pinning or thermoelectric effects, or else to complicated band structures. However, the behavior of the Hall effect in the n-type cuprate Nd1.85Ce0.15CuO4-y and the systematics of the anomaly in other superconducting materials together provide strong evidence against such models. The data instead indicate that xy reveals an intrinsic property of vortex motion.

Original languageEnglish (US)
Pages (from-to)1064-1068
Number of pages5
JournalPhysical Review B
Volume47
Issue number2
DOIs
StatePublished - Jan 1 1993

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Hall effect
Superconducting materials
Vortex flow
vortices
anomalies
Fluxes
Thermoelectricity
cuprates
Band structure
electrical resistivity

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Hagen, S. J., Smith, A. W., Rajeswari, M., Peng, J. L., Li, Z. Y., Greene, R. L., ... Lobb, C. J. (1993). Anomalous flux-flow Hall effect: Nd1.85Ce0.15CuO4-y and evidence for vortex dynamics. Physical Review B, 47(2), 1064-1068. https://doi.org/10.1103/PhysRevB.47.1064
Hagen, S. J. ; Smith, A. W. ; Rajeswari, M. ; Peng, J. L. ; Li, Z. Y. ; Greene, R. L. ; Mao, S. N. ; Xi, X. X. ; Bhattacharya, S. ; Li, Qi ; Lobb, C. J. / Anomalous flux-flow Hall effect : Nd1.85Ce0.15CuO4-y and evidence for vortex dynamics. In: Physical Review B. 1993 ; Vol. 47, No. 2. pp. 1064-1068.
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Hagen, SJ, Smith, AW, Rajeswari, M, Peng, JL, Li, ZY, Greene, RL, Mao, SN, Xi, XX, Bhattacharya, S, Li, Q & Lobb, CJ 1993, 'Anomalous flux-flow Hall effect: Nd1.85Ce0.15CuO4-y and evidence for vortex dynamics', Physical Review B, vol. 47, no. 2, pp. 1064-1068. https://doi.org/10.1103/PhysRevB.47.1064

Anomalous flux-flow Hall effect : Nd1.85Ce0.15CuO4-y and evidence for vortex dynamics. / Hagen, S. J.; Smith, A. W.; Rajeswari, M.; Peng, J. L.; Li, Z. Y.; Greene, R. L.; Mao, S. N.; Xi, X. X.; Bhattacharya, S.; Li, Qi; Lobb, C. J.

In: Physical Review B, Vol. 47, No. 2, 01.01.1993, p. 1064-1068.

Research output: Contribution to journalArticle

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AU - Hagen, S. J.

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AB - We report an observation of a sign change in the Hall resistivity xy in the superconducting state of the n-type superconductor Nd1.85Ce0.15CuO4-y. This anomaly in other superconductors has widely been attributed to extrinsic effects, such as pinning or thermoelectric effects, or else to complicated band structures. However, the behavior of the Hall effect in the n-type cuprate Nd1.85Ce0.15CuO4-y and the systematics of the anomaly in other superconducting materials together provide strong evidence against such models. The data instead indicate that xy reveals an intrinsic property of vortex motion.

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Hagen SJ, Smith AW, Rajeswari M, Peng JL, Li ZY, Greene RL et al. Anomalous flux-flow Hall effect: Nd1.85Ce0.15CuO4-y and evidence for vortex dynamics. Physical Review B. 1993 Jan 1;47(2):1064-1068. https://doi.org/10.1103/PhysRevB.47.1064