Interplay between lattice softening and high-Tc superconductivity in La1.86Sr0.14CuO4
Physical Review Letters 70 巻 22 号
3447-3450 頁
1993-05-31 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Interplay between lattice softening and high-Tc superconductivity in La1.86Sr0.14CuO4
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| 作成者 |
Nohara Minoru
Maeno Yoshiteru
Fujita Toshizo
Tanaka Isao
Kojima Hironao
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| 収録物名 |
Physical Review Letters
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| 巻 | 70 |
| 号 | 22 |
| 開始ページ | 3447 |
| 終了ページ | 3450 |
| 抄録 |
High-resolution ultrasonic measurements have been performed on single-crystalline La1.86Sr0.14 in magnetic fields H up to 14 T. We found that by reducing temperature the transverse elastic constant (C11-C12)/2 starts to soften from about 50 K and continues to soften down to Tc(H), even when Tc(H) is reduced to 14 K by magnetic field. The softening turns to rapid hardening by the emergence of superconductivity. This behavior of (C11 - C12)/2 is a consequence of the structural instability of the orthorhombic phase and disappearance of the instability caused by emergence of the superconducting state.
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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 | 1993-05-31 |
| 権利情報 |
Copyright (c) 1993 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.70.3447
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.70.3447
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