Ultrasonic attenuation measurements are reported for the superconducting, normal, and mixed states of the heavy fermion superconductors UPt3 and URu2Si2 and in the alloys of the ternary superconductors Er1-xHoxRh4B4. A peak in attenuation in the mixed state of UPt3 may be indicative of collective excitations of the flux line lattice. A broad max. in attenuation is found below the superconducting transition temp. of URu2Si2. An increase in attenuation in the superconducting phase of the reentrant ternary superconductors with x = 0.6 and 0.813 is ascribed to increased spin phonon interaction induced by superconducting screening of cryst. elec. fields. [on SciFinder(R)]
CITATION STYLE
Levy, M., Schenstrom, A., Sun, K. J., & Sarma, B. K. (1987). Ultrasonic Investigation of Novel Superconducting Systems. In Novel Superconductivity (pp. 243–252). Springer US. https://doi.org/10.1007/978-1-4613-1937-5_25
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