Charge-ordering in Sm4Bi3 and Yb4As3 with the anti-Th3P4 structure

A. Ochiai, D. X. Li, Y. Haga, O. Nakamura, T. Suzuki

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)


Sm4Bi3 and Yb4As3 are mixed valence materials with the ratio of 1:3 of trivalent and divalent rare earth ions and are expected to show charge-ordering. In the specific heat of Sm4Bi3 and Yb4As3 we observed very sharp peaks at 260 K and at 293 K, respectively. Entropies estimated from these peaks are too small to be ascribed to full ordering, suggesting short range ordering at higher temperatures.

Original languageEnglish
Pages (from-to)437-439
Number of pages3
JournalPhysica B: Condensed Matter
Issue numberC
Publication statusPublished - 1993 May 2


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