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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タイトル ( eng )
Interplay between lattice softening and high-Tc superconductivity in La1.86Sr0.14CuO4
作成者
Nohara Minoru
Maeno Yoshiteru
Fujita Toshizo
Tanaka Isao
Kojima Hironao
収録物名
Physical Review Letters
70
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.
言語
英語
資源タイプ 学術雑誌論文
出版者
American Physical Society
発行日 1993-05-31
権利情報
Copyright (c) 1993 American Physical Society.
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