The concentration-temperature phase diagram of CexLa1-xB2C2

A. Tobo, H. Yamauchi, E. Kishi, M. Sakata, K. Ishimoto, K. Ohoyama, H. Onodera, Y. Yamaguchi

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Abstract

We have synthesized polycrystalline CexLa1-xB2C2 samples and measured the temperature dependence of the low-field magnetization, ac susceptibility and specific heat. As the Ce concentration x decreases, the Néel temperature TN decreases linearly for x ≥ 0.80. However, the dependence on the concentration x of the transition temperature changes slope at x ∼ 0.75. Spin-glass transitions are observed for 0.4 ≤ x ≤ 0.75. The origin of the spin-glass behaviour will be discussed.

Original languageEnglish
Pages (from-to)S2141-S2144
JournalJournal of Physics Condensed Matter
Volume15
Issue number28
DOIs
Publication statusPublished - 2003 Jul 23

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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    Tobo, A., Yamauchi, H., Kishi, E., Sakata, M., Ishimoto, K., Ohoyama, K., Onodera, H., & Yamaguchi, Y. (2003). The concentration-temperature phase diagram of CexLa1-xB2C2. Journal of Physics Condensed Matter, 15(28), S2141-S2144. https://doi.org/10.1088/0953-8984/15/28/338