Abstract
The sound velocity and the resistivity in polycrystalline La1.875(Ba1-ySry)0.125CuO4(LBSCO) have been measured as a function of temperature and Sr concentration y. Upon cooling, an increase in the sound velocity is observed at Td2 which is the orthorhombic-to- low-temperature-tetragonal structural phase transition (SPT) temperature. Although Td2 decreases with increasing y, it takes a finite value of about 10K even in La1.875Sr0.125CuO4. In LBSCO, Td2 differs from Tm, where the resistivity reaches a minimum.
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© 1992 Springer-Verlag Berlin, Heidelberg
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Hanaguri, T., Fukase, T., Goto, T., Iwabuchi, Y. (1992). Ultrasonic Studies in La2-x(Ba,Sr)xCuO4 . In: Iye, Y., Yasuoka, H. (eds) The Physics and Chemistry of Oxide Superconductors. Springer Proceedings in Physics, vol 60. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77154-5_42
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DOI: https://doi.org/10.1007/978-3-642-77154-5_42
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-77156-9
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