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

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

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


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.

Original languageEnglish
Article number012236
JournalJournal of Physics: Conference Series
Issue numberSECTION 1
Publication statusPublished - 2010
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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