Elastic constants of U(Ru1-xRhx)2Si 2

T. Yanagisawa; H. Saito; T. Mayama; Y. Ikeda; H. Hidaka; M. Yokoyama; H. Amitsuka

doi:10.1088/1742-6596/200/1/012236

Elastic constants of U(Ru_1-xRh_x)₂Si ₂

T. Yanagisawa, H. Saito, T. Mayama, Y. Ikeda, H. Hidaka, M. Yokoyama, H. Amitsuka

Research output: Contribution to journal › Conference article

2 Citations (Scopus)

Abstract

Ultrasonic measurements on Rh-substitution system U(Ru_1-xRh _x)₂Si₂ (x = 0, 0.02 and 0.07) were performed in order to investigate lattice properties for low temperature phase transitions of 'hidden order' (HO) phase and antiferromagnetc (AFM) phase. Elastic constant C₁₁ vs. T of the x = 0.02 and 0.07 samples exhibit a depression below 80 K, which is similar to a softening in the non-doped sample which had already been reported. The C₁₁ of x = 0.02 exhibits a step-like anomaly at 14.0 K and an additional softening of 3.2% with minimum at 6.7 K, which correspond to HO and AFM transitions, respectively. The C₁₁ in x = 0.07 sample only exhibits a shoulder-like anomaly at around 17 K and continue to depress down to 4.2 K.

Original language	English
Article number	012236
Journal	Journal of Physics: Conference Series
Volume	200
Issue number	SECTION 1
DOIs	https://doi.org/10.1088/1742-6596/200/1/012236
Publication status	Published - 2010 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Yanagisawa, T., Saito, H., Mayama, T., Ikeda, Y., Hidaka, H., Yokoyama, M., & Amitsuka, H. (2010). Elastic constants of U(Ru_1-xRh_x)₂Si ₂. Journal of Physics: Conference Series, 200(SECTION 1), [012236]. https://doi.org/10.1088/1742-6596/200/1/012236

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abstract = "Ultrasonic measurements on Rh-substitution system U(Ru1-xRh x)2Si2 (x = 0, 0.02 and 0.07) were performed in order to investigate lattice properties for low temperature phase transitions of 'hidden order' (HO) phase and antiferromagnetc (AFM) phase. Elastic constant C11 vs. T of the x = 0.02 and 0.07 samples exhibit a depression below 80 K, which is similar to a softening in the non-doped sample which had already been reported. The C11 of x = 0.02 exhibits a step-like anomaly at 14.0 K and an additional softening of 3.2% with minimum at 6.7 K, which correspond to HO and AFM transitions, respectively. The C11 in x = 0.07 sample only exhibits a shoulder-like anomaly at around 17 K and continue to depress down to 4.2 K.",

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T1 - Elastic constants of U(Ru1-xRhx)2Si 2

AU - Yanagisawa, T.

AU - Saito, H.

AU - Mayama, T.

AU - Ikeda, Y.

AU - Hidaka, H.

AU - Yokoyama, M.

AU - Amitsuka, H.

PY - 2010/1/1

Y1 - 2010/1/1

N2 - Ultrasonic measurements on Rh-substitution system U(Ru1-xRh x)2Si2 (x = 0, 0.02 and 0.07) were performed in order to investigate lattice properties for low temperature phase transitions of 'hidden order' (HO) phase and antiferromagnetc (AFM) phase. Elastic constant C11 vs. T of the x = 0.02 and 0.07 samples exhibit a depression below 80 K, which is similar to a softening in the non-doped sample which had already been reported. The C11 of x = 0.02 exhibits a step-like anomaly at 14.0 K and an additional softening of 3.2% with minimum at 6.7 K, which correspond to HO and AFM transitions, respectively. The C11 in x = 0.07 sample only exhibits a shoulder-like anomaly at around 17 K and continue to depress down to 4.2 K.

AB - Ultrasonic measurements on Rh-substitution system U(Ru1-xRh x)2Si2 (x = 0, 0.02 and 0.07) were performed in order to investigate lattice properties for low temperature phase transitions of 'hidden order' (HO) phase and antiferromagnetc (AFM) phase. Elastic constant C11 vs. T of the x = 0.02 and 0.07 samples exhibit a depression below 80 K, which is similar to a softening in the non-doped sample which had already been reported. The C11 of x = 0.02 exhibits a step-like anomaly at 14.0 K and an additional softening of 3.2% with minimum at 6.7 K, which correspond to HO and AFM transitions, respectively. The C11 in x = 0.07 sample only exhibits a shoulder-like anomaly at around 17 K and continue to depress down to 4.2 K.

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