Antiferromagnetic transition of the caged compound TmTi2Al20

Naoki Kase, Yasuyuki Shimura, Shunichiro Kittaka, Toshiro Sakakibara, Satoru Nakatsuji, Tomohito Nakano, Naoya Takeda, Jun Akimitsu

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

We examined the low temperature magnetic properties of a single crystal of TmTi2Al20, a hole analogue of PrTi2Al20, by means of specific heat C(T) and magnetization M(T, H) measurements. At low field, an anomaly that can be ascribed to an antiferromagnetic ordering is observed in M(T) at TN =0.7 K. C(T) shows a very sharp λ-type anomaly at 0.7 K, confirming the phase transition. From the calculated magnetic entropy S(T), we found that the ground state of TmTi2Al20 is likely to be a magnetic Γ5 triplet in the J =6 multiplet.

Original languageEnglish
Article number012052
JournalJournal of Physics: Conference Series
Volume592
Issue number1
DOIs
Publication statusPublished - 2014
Externally publishedYes
Event2014 International Conference on Strongly Correlated Electron Systems, SCES 2014 - Grenoble, France
Duration: Jul 7 2014Jul 14 2014

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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