J. Phys. Soc. Jpn. 75S (2006) pp. 167-169 |Previous Article| |Next Article| |Table of Contents|
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Proc. of 5th Int. Symposium on ASR-WYP-2005 – Advances in the Physics and Chemistry of Actinide Compounds –
Fermi Surface Properties of CeIn3 around the Critical Pressure
Rikio Settai1,
Tetsuo Kubo1,
Tatsuma D. Matsuda2,
Yoshinori Haga3,
Yoshichika Ōnuki1,2 and
Hisatomo Harima3
1Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043
2Advance Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195
3Department of Physics, Faculty of Science, Kobe University, 1-1 Rokkodai, Noda, Kobe 657-8501
We have studied a change of the Fermi surface in an antiferromagnet CeIn3 via the de Haas–van Alphen experiment under pressure up to 2.9 GPa. In the pressure region P > Pc = 2.6 GPa, we have observed a large main Fermi surface named a, which indicates that the electronic state of 4f electron in CeIn3 changes from localized to itinerant at Pc. The cyclotron effective mass mc* of this main Fermi surface is extremely enhanced around Pc.
URL:
http://jpsj.ipap.jp/link?JPSJS/75S/167/
DOI: 10.1143/JPSJS.75S.167
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