Magnetic aspects of the T′ phase in the Nd2-xCexCuO4-† system
✍ Scribed by Matthew J. Rosseinsky; Kosmas Prassides
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 111 KB
- Volume
- 162-164
- Category
- Article
- ISSN
- 0921-4534
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We report phase segregation based on cerium content in thick (> 70 ~tm) single crystals and a polycrystalline sample of Nd2\_xCexCuO4\_y with nominal composition x = 0.15. The crystals showed segregation into sharply defined sheets of material with different cerium concentrations. These sheets in th
## Magnetic susceptibility and magnetization data are presented for the Nd,\_,Ce,CuO,\_, system. The Nd local moments are seen to be crucial in interpreting the magnetic response. Evidence for a pervasive diamagnetic component (onsetting near 24 K) in the low field response, which is sharply maxi
High resolution neutron and x-ray powder diffraction data show that samples of Nd2\_xCexCu04 are multiphase except at x=O and the optimum superconducting composition x"'0.165. Cerium doped samples with compositions other than x=O.165 appear to be mixtures of the superconducting phase, which has a fi