Superconductivity and magnetic scattering in the Nd2−xCexCuO4−δ compounds
✍ Scribed by J.L. Peng; R.N. Shelton; H.B. Radousky
- Book ID
- 108024473
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 136 KB
- Volume
- 162-164
- Category
- Article
- ISSN
- 0921-4534
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Thermal co-evaporation of neodymium, cerium and copper in an oxygen atmosphere produces tl~i~, films of the 20 K, n-type superconductor, Nd2\_xCexCuO4\_6. The resistive transition is sharp ( 0.9 K, 90o/o -10% ) and complete at 22 K in ambient magnetic field. The resistive transition broadens if a ma
Ultrasonic measurements were carried out on a series samples of Ndz-xCexCuOt-y with x ranged from o to 0.2. The anomalous chanaes in both attenuation and velocity around 170 to 200 K were found for the superconducting samples (x=0.15) during cooling, whereas no anomalies can be found in this region