Single-crystal growth and thermal conductivity of the four-leg spin-ladder system La2Cu2O5

Kazutaka Kudo; Takashi Noji; Yoji Koike; Terukazu Nishizaki; Norio Kobayashi

doi:10.1143/JPSJ.72.2551

Single-crystal growth and thermal conductivity of the four-leg spin-ladder system La2Cu2O5

Kazutaka Kudo, Takashi Noji, Yoji Koike, Terukazu Nishizaki, Norio Kobayashi

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

We have succeeded in growing large-size single-crystals of the four-leg spin-ladder system La₂Cu₂O₅ by the traveling-solvent floating-zone method, and also investigated the thermal conductivity. The thermal conductivity along the leg of the ladder, κ_b, has been found to be much larger than that perpendicular to the ladder plane, κ_a. The temperature dependence of κ_b exhibits a peak at 22 K and a shoulder at 12 K. The peak is a little enhanced by the application of a magnetic field of 1 4T. The large value of κ_b is explained as being due to the large contribution of magnons to the thermal conductivity.

Original language	English
Pages (from-to)	2551-2555
Number of pages	5
Journal	Journal of the Physical Society of Japan
Volume	72
Issue number	10
DOIs	https://doi.org/10.1143/JPSJ.72.2551
Publication status	Published - Oct 2003
Externally published	Yes

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Keywords

Four-leg spin-ladder system
LaCuO
Single crystal
Thermal conductivity
TSFZ

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Kudo, K., Noji, T., Koike, Y., Nishizaki, T., & Kobayashi, N. (2003). Single-crystal growth and thermal conductivity of the four-leg spin-ladder system La2Cu2O5. Journal of the Physical Society of Japan, 72(10), 2551-2555. https://doi.org/10.1143/JPSJ.72.2551

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AU - Nishizaki, Terukazu

AU - Kobayashi, Norio

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10.1143/JPSJ.72.2551