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Ferromagnetism in Z...
Ferromagnetism in ZnO co-doped with Mn and N studied by soft x-ray magnetic circular dichroism
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Kataoka, T. (author)
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Yamazaki, Y. (author)
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Singh, V. R. (author)
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Sakamoto, Y. (author)
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Fujimori, A. (author)
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Takeda, Y. (author)
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Ohkochi, T. (author)
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Fujimori, S. -I (author)
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Okane, T. (author)
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Saitoh, Y. (author)
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Yamagami, H. (author)
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Tanaka, A. (author)
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- Kapilashrami, Mukes (author)
- KTH,Teknisk materialfysik
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- Belova, Liubov (author)
- KTH,Teknisk materialfysik
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- Rao, K. Venkat (author)
- KTH,Teknisk materialfysik
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(creator_code:org_t)
- AIP Publishing, 2011
- 2011
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 99:13, s. 132508-
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We have investigated the electronic structure of ZnO:Mn and ZnO:Mn,N thin films using x-ray magnetic circular dichroism (XMCD) and resonance-photoemission spectroscopy. From the Mn 2p -> 3d XMCD results, it is shown that, while XMCD signals only due to paramagnetic Mn(2+) ions were observed in ZnO:Mn, nonmagnetic, paramagnetic, and ferromagnetic Mn(2+) ions coexist in ZnO:Mn,N. XMCD signals of ZnO:Mn,N revealed that the localized Mn(2+) ground state and Mn(2+) state hybridized with ligand hole coexisted, implying p-d exchange coupling. In the valence-band spectra, spectral weight near the Fermi level was suppressed, suggesting that interaction between magnetic moments in ZnO:Mn,N has localized nature.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- circular dichroism
- exchange interactions (electron)
- Fermi level
- ferromagnetic materials
- ground states
- II-VI semiconductors
- localised states
- magnetic moments
- magnetic thin films
- manganese
- nitrogen
- paramagnetic materials
- photoelectron spectra
- semiconductor thin films
- valence bands
- zinc compounds
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Kataoka, T.
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Yamazaki, Y.
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Singh, V. R.
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Sakamoto, Y.
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Fujimori, A.
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Takeda, Y.
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show more...
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Ohkochi, T.
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Fujimori, S. -I
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Okane, T.
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Saitoh, Y.
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Yamagami, H.
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Tanaka, A.
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Kapilashrami, Mu ...
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Belova, Liubov
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Rao, K. Venkat
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
- Articles in the publication
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Applied Physics ...
- By the university
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Royal Institute of Technology