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Ultrasonic Investigation of Novel Superconducting Systems

Levy, M. / Schenstrom, A. / Sun, K. J. / Sarma, B. K.

Abstract 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-x HoxRh4B4. A peak in attenuation in the mixed state of UPt3 may be indicative of collective excitations of the flux line lattice. A broad maximum in attenuation is found below the superconducting transition temperature 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 crystalline electric fields.

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Ultrasonic Investigation of Novel Superconducting Systems

Levy, M. / Schenstrom, A. / Sun, K. J. / Sarma, B. K.

Abstract 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-x HoxRh4B4. A peak in attenuation in the mixed state of UPt3 may be indicative of collective excitations of the flux line lattice. A broad maximum in attenuation is found below the superconducting transition temperature 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 crystalline electric fields.

Ultrasonic Investigation of Novel Superconducting Systems

Levy, M. / Schenstrom, A. / Sun, K. J. / Sarma, B. K.

Abstract 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-x HoxRh4B4. A peak in attenuation in the mixed state of UPt3 may be indicative of collective excitations of the flux line lattice. A broad maximum in attenuation is found below the superconducting transition temperature 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 crystalline electric fields.

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Title:

Ultrasonic Investigation of Novel Superconducting Systems

Contributors:

Levy, M. (author) / Schenstrom, A. (author) / Sun, K. J. (author) / Sarma, B. K. (author)

Published in:

Novel Superconductivity ; 243-252

Publication date:

1987-01-01

Size:

10 pages

ISBN:

978-1-4612-9076-6 , 978-1-4613-1937-5

DOI:

https://doi.org/10.1007/978-1-4613-1937-5_25

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Mixed State , Surface Acoustic Wave , Superconducting State , Superconducting Transition Temperature , Superconducting Phase Physics , Strongly Correlated Systems, Superconductivity , Characterization and Evaluation of Materials

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