Ultrasonic attenuation studies in super-conducting lead

dc.creatorRandorff, Jack Edward
dc.date.available2011-02-18T20:32:54Z
dc.date.issued1970-08
dc.degree.departmentPhysicsen_US
dc.description.abstractMeasurements of the attenuation of 10, 30, 50 and 70 MHz longitudinal sound waves, propagated in the [100], [110] and [111] directions, have been conducted on the normal and superconducting states of high purity unstrained lead. Analysis of the data has been presented in such a manner as to allow for the possibility of multiple superconducting energy gaps. Our data indicate the existence of a secondary gap. The data have also been compared to theoretical calculations for both weak and strong coupling models. Measurements of the ultrasonic attenuation have also been conducted on a sample of strained lead for the [100] direction. Preliminary statements have been made with respect to strain effects and a simple descriptive model has been proposed.
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2346/14125en_US
dc.language.isoeng
dc.publisherTexas Tech Universityen_US
dc.rights.availabilityUnrestricted.
dc.subjectLeaden_US
dc.titleUltrasonic attenuation studies in super-conducting lead
dc.typeDissertation
thesis.degree.departmentPhysics
thesis.degree.disciplinePhysics
thesis.degree.grantorTexas Tech University
thesis.degree.levelDoctoral
thesis.degree.namePh.D.

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