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Evolution of the heavy fermion state in Ce$$_2$$IrIn$$_8$$

Ce$$_2$$IrIn$$_8$$における重い電子状態

Heffner, R. H.; Morris, G. D.*; Bauer, E. D.*; Sarrao, J. L.*; Thompson, J. D.*; MacLaughlin, D. E.*; Shu, L.*

Heffner, R. H.; Morris, G. D.*; Bauer, E. D.*; Sarrao, J. L.*; Thompson, J. D.*; MacLaughlin, D. E.*; Shu, L.*

We report $$mu$$SR Knight shift and susceptibility studies for 1 T applied field along the crystalline $$c$$- and $$a$$-axes of the heavy fermion compound Ce$$_2$$IrIn$$_8$$. Below a characteristic temperature $$T^*$$ one observes a "Knight shift anomaly" in which the Knight shift constant $$K$$ no longer scales linearly with $$chi$$. This anomaly is consistent with a scaling law in which the susceptibility $$chi$$ is composed of a high-temperature component corresponding to non-interacting local moments and a low-temperature component $$chi_{cf} sim (1-T/T^*)ln (T^*/T)$$ which characterizes the heavy-electron state below $$T^*$$. We find that $$T^*$$ is anisotropic, with $$T^*_a=59(3)$$ K and $$T^*_c=24(1)$$ K, and derive the magnitudes of $$chi_{cf}^{a,c}$$.

使用言語

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English

掲載資料名

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Physica B; Condensed Matter

巻

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375-375

号

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ページ数

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p.184 - 187

発行年月

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2006/03

発表会議名

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10th International Conference on Muon Spin Rotation Relaxation and Resonance ($$mu$$SR 2005)

開催年月

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2005/08

開催都市

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Oxford

開催国

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U.K.

キーワード

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no keyword

特許データ

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PDF

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論文URL

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https://doi.org/10.1016/j.physb.2005.11.048

研究データの公開先DOI

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使用施設

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広報プレスリリース

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論文解説記事
(成果普及情報誌)

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受委託・共同研究相手機関

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Access

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- Accesses

InCites™

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パーセンタイル：31.23

分野：Physics, Condensed Matter

Altmetrics

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