Anisotropy in Elastic Properties of HTSC Seen by Ultrasonics
After a brief introduction to ultrasonic experiments, elastic properties seen by ultrasonic response are presented for a single crystal of La1.86Sr0.14CuO4. Elastic coefficients for various modes reveal not only anisotropic lattice properties in the normal state, but also anisotropic coupling between superconductivity and lattice deformation. Effect of magnetic field applied along various axes is also discussed.
KeywordsElastic Constant Attenuation Coefficient Transverse Mode Elastic Coefficient Superconducting Order Parameter
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