Anisotropic coupling between high-Tc superconductivity and lattice in single-crystalline La1.86Sr0.14CuO4

Minoru Nohara, Takashi Suzuki, Yoshiteru Maeno, Toshizo Fujita, Isao Tanaka, Hironao Kojima

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Abstract

The longitudinal elastic constants in high-quality single crystals La1.86Sr0.14CuO4 were measured across the superconducting transition temperature Tc under magnetic fields up to 14T applied both parallel and normal to the CuO2-plane. We found anomalies of elastic constants at Tc, indicating the anisotropic coupling between the high- Tc superconductivity and lattice. We newly found anomalies below 4K under high field, suggesting the field induced instability of the lattice.

Original languageEnglish
Pages (from-to)1397-1398
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume185-189
Issue numberPART 2
DOIs
Publication statusPublished - Dec 1 1991
Externally publishedYes

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Elastic constants
Superconductivity
Crystal lattices
superconductivity
elastic properties
anomalies
Crystalline materials
Superconducting transition temperature
transition temperature
Single crystals
Magnetic fields
single crystals
magnetic fields

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Anisotropic coupling between high-Tc superconductivity and lattice in single-crystalline La1.86Sr0.14CuO4. / Nohara, Minoru; Suzuki, Takashi; Maeno, Yoshiteru; Fujita, Toshizo; Tanaka, Isao; Kojima, Hironao.

In: Physica C: Superconductivity and its Applications, Vol. 185-189, No. PART 2, 01.12.1991, p. 1397-1398.

Research output: Contribution to journalArticle

Nohara, Minoru ; Suzuki, Takashi ; Maeno, Yoshiteru ; Fujita, Toshizo ; Tanaka, Isao ; Kojima, Hironao. / Anisotropic coupling between high-Tc superconductivity and lattice in single-crystalline La1.86Sr0.14CuO4. In: Physica C: Superconductivity and its Applications. 1991 ; Vol. 185-189, No. PART 2. pp. 1397-1398.
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