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  1. 紀要論文
  2. 琉球大学理学部紀要
  3. 99号
  1. 部局別インデックス
  2. 理学部

EuX_2(X=Rh, Ir)の電子構造とフェルミ面

http://hdl.handle.net/20.500.12000/30736
http://hdl.handle.net/20.500.12000/30736
55f34c96-c388-441d-9536-185957e5add4
名前 / ファイル ライセンス アクション
No99p001.pdf No99p001.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2015-04-17
タイトル
タイトル EuX_2(X=Rh, Ir)の電子構造とフェルミ面
言語 ja
作成者 渡部, 紘幸

× 渡部, 紘幸

ja 渡部, 紘幸

立津, 慶幸

× 立津, 慶幸

ja 立津, 慶幸

眞榮平, 孝裕

× 眞榮平, 孝裕

ja 眞榮平, 孝裕

Watanabe, Hiroyuki

× Watanabe, Hiroyuki

en Watanabe, Hiroyuki

Tatetsu, Yasutomi

× Tatetsu, Yasutomi

en Tatetsu, Yasutomi

Maehira, Takahiro

× Maehira, Takahiro

en Maehira, Takahiro

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述タイプ Other
内容記述 We investigated the electronic structures of EuX_2 (X=Rh and Ir) by using the relativistic linear augmented-plane-wave (RLAPW) method with the exchange-correration potential in the local density approximation. All 4f electrons in Eu were assumed to be itinerant, which means that these 4f electrons are treated as valence electrons, and the calculation was performed in the paramagnetic phase. Note here that relativity should be taken into account, because of the large atomic numbers of the constituent atoms. We found that the energy bands near the Fermi level are mainly because of the hybridization between the Eu 4f and X d electrons. These compounds are compensated metals because of having two chemical units in the unit cell. The Fermi surface of EuRh_2 is found to consists of two hole sheets and two electron sheets. The Fermi surface produces many de Haas-van Alphen frequencies in the wide frequency range between 1 MOe and 300 MOe. In addition, we calculated LaRh_2 and LaIr_2 that have the same number of valence electrons of EuRh_2 and EuIr_2.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学理学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/30736
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0286-9640
収録物識別子タイプ NCID
収録物識別子 AN00250774
収録物名
言語 ja
収録物名 琉球大学理学部紀要
書誌情報
号 99, p. 1-13, 発行日 2015-03-31
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