Superconducting and Elastic Properties of PbBa2Y1-xCaxCu3O7+δ

Chong, Tet Vui and Abd Shukor, Roslan (2016) Superconducting and Elastic Properties of PbBa2Y1-xCaxCu3O7+δ. Materials Science Forum, 846. pp. 591-596. ISSN 1662-9752

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PbBa2Y1-xCaxCu3O7+δ (x = 0.00, 0.15, 0.20, 0.25 and 0.50) samples were prepared via solid state reaction. All samples except x = 0.50 exhibited various critical temperatures Tc. The X-ray diffraction patterns show all samples were in mixed phase. Longitudinal and shear ultrasonic velocities in these samples were measured using the pulsed-echo-overlap method with frequency 5-10 MHz in the temperature range 80-300 K. There are no obvious elastic anomalies which are usually observed in most high temperature superconductors were observed in any of the samples in both longitudinal and shear modes. Furthermore, there is no significant variation in the percentage of velocity change in both longitudinal and shear modes with the different content of x doped for all samples.

Item Type: Article
Subjects: Q Science > QD Chemistry
Divisions: Center of American Education
Depositing User: Unnamed user with email
Date Deposited: 17 Mar 2017 05:27
Last Modified: 17 Mar 2017 05:27

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