Magnetic phase diagrams of Dy0.8Gd0.2B2C2

H. Onodera; K. Indoh; J. Kaya; M. Sakata; H. Yamauchi; A. Tobo; Kenji Ohoyama; Y. Yamaguchi

doi:10.1088/0953-8984/15/28/336

Magnetic phase diagrams of Dy_0.8Gd_0.2B₂C₂

H. Onodera, K. Indoh, J. Kaya, M. Sakata, H. Yamauchi, A. Tobo, Kenji Ohoyama, Y. Yamaguchi

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

Gd substitution in DyB₂C₂, which undergoes an antiferroquadrupolar (AFQ) ordering at T_Q = 24.7 K and an antiferromagnetic (AFM) one at T_N = 15.3 K, enhances the AFM interaction and weakens the AFQ interaction, and the transition sequence at 20% Gd is the reverse of that in DyB₂C₂. The AFQ transition occurs at T_Q = 17.5 K, below the AFM one at T_N = 19.0 K in Dy_0.8Gd_0.2B₂C₂. The present work provides some experimental results on the specific heat and magnetization of Dy_0.8Gd_0.2B₂C₂. The magnetic phase diagrams of Dy_0.8Gd_0.2B₂C₂ have some resemblance to those of HoB₂C₂ and Ce_0.75La_0.25B₆. There is an anomalous magnetic phase (named phase IV) that is adjacent to the AFQ phase in each compound.

Original language	English
Journal	Journal of Physics Condensed Matter
Volume	15
Issue number	28
DOIs	https://doi.org/10.1088/0953-8984/15/28/336
Publication status	Published - 2003 Jul 23

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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Onodera, H., Indoh, K., Kaya, J., Sakata, M., Yamauchi, H., Tobo, A., Ohoyama, K., & Yamaguchi, Y. (2003). Magnetic phase diagrams of Dy_0.8Gd_0.2B₂C₂. Journal of Physics Condensed Matter, 15(28). https://doi.org/10.1088/0953-8984/15/28/336

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title = "Magnetic phase diagrams of Dy0.8Gd0.2B2C2",

abstract = "Gd substitution in DyB2C2, which undergoes an antiferroquadrupolar (AFQ) ordering at TQ = 24.7 K and an antiferromagnetic (AFM) one at TN = 15.3 K, enhances the AFM interaction and weakens the AFQ interaction, and the transition sequence at 20% Gd is the reverse of that in DyB2C2. The AFQ transition occurs at TQ = 17.5 K, below the AFM one at TN = 19.0 K in Dy0.8Gd0.2B2C2. The present work provides some experimental results on the specific heat and magnetization of Dy0.8Gd0.2B2C2. The magnetic phase diagrams of Dy0.8Gd0.2B2C2 have some resemblance to those of HoB2C2 and Ce0.75La0.25B6. There is an anomalous magnetic phase (named phase IV) that is adjacent to the AFQ phase in each compound.",

author = "H. Onodera and K. Indoh and J. Kaya and M. Sakata and H. Yamauchi and A. Tobo and Kenji Ohoyama and Y. Yamaguchi",

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AU - Onodera, H.

AU - Indoh, K.

AU - Kaya, J.

AU - Sakata, M.

AU - Yamauchi, H.

AU - Tobo, A.

AU - Ohoyama, Kenji

AU - Yamaguchi, Y.

PY - 2003/7/23

Y1 - 2003/7/23

N2 - Gd substitution in DyB2C2, which undergoes an antiferroquadrupolar (AFQ) ordering at TQ = 24.7 K and an antiferromagnetic (AFM) one at TN = 15.3 K, enhances the AFM interaction and weakens the AFQ interaction, and the transition sequence at 20% Gd is the reverse of that in DyB2C2. The AFQ transition occurs at TQ = 17.5 K, below the AFM one at TN = 19.0 K in Dy0.8Gd0.2B2C2. The present work provides some experimental results on the specific heat and magnetization of Dy0.8Gd0.2B2C2. The magnetic phase diagrams of Dy0.8Gd0.2B2C2 have some resemblance to those of HoB2C2 and Ce0.75La0.25B6. There is an anomalous magnetic phase (named phase IV) that is adjacent to the AFQ phase in each compound.

AB - Gd substitution in DyB2C2, which undergoes an antiferroquadrupolar (AFQ) ordering at TQ = 24.7 K and an antiferromagnetic (AFM) one at TN = 15.3 K, enhances the AFM interaction and weakens the AFQ interaction, and the transition sequence at 20% Gd is the reverse of that in DyB2C2. The AFQ transition occurs at TQ = 17.5 K, below the AFM one at TN = 19.0 K in Dy0.8Gd0.2B2C2. The present work provides some experimental results on the specific heat and magnetization of Dy0.8Gd0.2B2C2. The magnetic phase diagrams of Dy0.8Gd0.2B2C2 have some resemblance to those of HoB2C2 and Ce0.75La0.25B6. There is an anomalous magnetic phase (named phase IV) that is adjacent to the AFQ phase in each compound.

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