Ultrasonic attenuation studies in super-conducting lead
| dc.creator | Randorff, Jack Edward | |
| dc.date.accessioned | 2016-11-14T23:16:15Z | |
| dc.date.available | 2011-02-18T20:32:54Z | |
| dc.date.available | 2016-11-14T23:16:15Z | |
| dc.date.issued | 1970-08 | |
| dc.degree.department | Physics | en_US |
| dc.description.abstract | Measurements 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.mimetype | application/pdf | |
| dc.identifier.uri | http://hdl.handle.net/2346/14125 | en_US |
| dc.language.iso | eng | |
| dc.publisher | Texas Tech University | en_US |
| dc.rights.availability | Unrestricted. | |
| dc.subject | Lead | en_US |
| dc.title | Ultrasonic attenuation studies in super-conducting lead | |
| dc.type | Dissertation |