Spectroscopy of Stripe Order in La1:8Sr0:2NiO4 Using Resonant Soft X-Ray Diffraction
Physical Review Letters 95 巻 15 号
2005-10-07 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Spectroscopy of Stripe Order in La1:8Sr0:2NiO4 Using Resonant Soft X-Ray Diffraction
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| 作成者 |
Schüßler-Langeheine C.
Schlappa J.
Hu Z.
Chang C.F.
Schierle E.
Benomar M.
Ott H.
Weschke E.
Kaindl G.
Friedt O.
Sawatzky G.A.
Lin H.-J.
Chen C.T.
Braden M.
Tjeng L.H.
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| 収録物名 |
Physical Review Letters
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| 巻 | 95 |
| 号 | 15 |
| 抄録 |
Strong resonant enhancements of the charge-order and spin-order superstructure-diffraction intensities in La1:8Sr0:2NiO4 are observed when x-ray energies in the vicinity of the Ni L2;3 absorption edges are used. The pronounced photon-energy and polarization dependences of these diffraction intensities allow for a critical determination of the local symmetry of the ordered spin and charge carriers. We found that not only the antiferromagnetic order but also the charge-order superstructure resides within the NiO2 layers; the holes are mainly located on in-plane oxygens surrounding a Ni2+ site with the spins coupled antiparallel in close analogy to Zhang-Rice singlets in the cuprates.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2005-10-07 |
| 権利情報 |
Copyright (c) 2005 American Physical Society.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.95.156402
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.95.156402
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