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Soft X-ray magnetic circular dichroism study of Ca$$_{1-x}$$Sr$$_x$$RuO$$_3$$ across the ferromagnetic quantum phase transition

Okamoto, Jun*; Okane, Tetsuo  ; Saito, Yuji  ; Terai, Kota*; Fujimori, Shinichi   ; Muramatsu, Yasuji*; Yoshii, Kenji  ; Mamiya, Kazutoshi*; Koide, Tsuneharu*; Fujimori, Atsushi; Fang, Z.*; Takeda, Yasuo*; Takano, Mikio*

Ca$$_{1-x}$$Sr$$_x$$RuO$$_3$$, which is ferromagnetic for Sr concentration x $$>$$ 0.3, has been studied by X-ray magnetic circular dichroism (XMCD) in Ru 3$$p$$ and O 1$$s$$ core-level X-ray absorption. XMCD signals appear at x $$sim$$ 0.3 and monotonically increases with x in the ferromagnetic phase. While the monotonic increase of the XMCD signals with x is of a typical Stoner-type, the absence of appreciable change in the spectral line shapes of both the Ru 3$$p$$ and O 1$$s$$ XMCD spectra indicate that the itinerant-electron ferromagnetism in Ca$$_{1-x}$$Sr$$_x$$RuO$$_3$$ is influenced by strong electron correlation.

Language

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English

Journal

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Physical Review B

Volume

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76

Number

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18

Pages

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p.184441_1 - 184441_5

Publication Year/Month

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2007/11

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1103/PhysRevB.76.184441

DOI for research data

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Keywords

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no keyword

Research Facility

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SPring-8(大型放射光施設)

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:76.82

Category:Materials Science, Multidisciplinary

Altmetrics

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