Atomic surface structures on multi-layered cuprate superconductor Ba2Ca4Cu5O10(O1−xFx)2 observed by STM
Physica C: Superconductivity and its Applications 471 巻 21-22 号
698-700 頁
2011-11 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Atomic surface structures on multi-layered cuprate superconductor Ba2Ca4Cu5O10(O1−xFx)2 observed by STM
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| 作成者 |
Ukita R.
Harada Y.
Furukawa T.
Itagaki K.
Tokiwa K
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| 収録物名 |
Physica C: Superconductivity and its Applications
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| 巻 | 471 |
| 号 | 21-22 |
| 開始ページ | 698 |
| 終了ページ | 700 |
| 抄録 |
We investigate the scanning tunneling microscopy (STM) on the multi-layered cuprate superconductor Ba2Ca4Cu5O10 (O 1-x Fx)2 (F0245, Tc =79 K, x = 0.72).
The STM images show clear atomic lattice structures and large random spot structures. Among the regular square-lattice atomic corrugation with the period of the lattice constant a ~0.38 nm, another kind of atomic spots arranged into the four-fold cross shaped clusters is clearly observed along the diagonal direction with the period of 0.26 nm. These clusters are being distributed inhomogeneously, which are due to the charge imbalance associated with the apical O/F rate. The apical O and F sites are also identified from the positions of such clusters in the STM topographic images. |
| 著者キーワード |
Ba2Ca4Cu5O10 (O 1-xFx)2
F0245
apical fluorine
STM
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| 内容記述 |
This research was supported by Grant-in-Aid for Scientific Research (No. 19540370) from JSPS, Japan.
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| NDC分類 |
物理学 [ 420 ]
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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 |
Elsevier B.V.
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| 発行日 | 2011-11 |
| 権利情報 |
Copyright (c) 2011. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
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| 出版タイプ | Author’s Original（十分な品質であるとして、著者から正式な査読に提出される版） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0921-4534
[NCID] AA11461984
[DOI] 10.1016/j.physc.2011.05.030
[DOI] https://doi.org/10.1016/j.physc.2011.05.030
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