Critical phenomena in long-range RKKY ising spin glasses

Yoshikazu Tabata*, Satoshi Kanada, Teruo Yamazaki, Takeshi Waki, Hiroyuki Nakamura

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)


We have investigated critical phenomena in spin glasses RxY 1-xRu2Si2 (R = Dy, Tb, Gd). These compounds, where the magnetic moments of rare-earth ions interact by the long-range Ruderman-Kittel-Kasuya-Yoshida (RKKY) interaction via conduction electrons, has uniaxial magnetic anisotropy. The separation of the zero-field-cooled and field-cooled magnetization was found only along the c-axis in all compounds, and hence, they are classified into the long-range Ising spin glass. The magnetic anisotropic energies in these compounds are different from each other in two orders of magnitude, from 330 K to 1.8 K, however, the critical exponents are similar. It clearly indicates a presence of the universality of the long-range RKKY Ising spin glasses.

Original languageEnglish
Article number012051
JournalJournal of Physics: Conference Series
Publication statusPublished - 2011 Jan 1
Externally publishedYes
EventInternational Conference on Frustration in Condensed Matter, ICFCM - Sendai, Japan
Duration: 2011 Jan 112011 Jan 14

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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