Specific heat and anisotropic magnetic susceptibility of Pr2CuO4, Nd2CuO4 and Sm2CuO4 crystals
โ Scribed by M.F. Hundley; J.D. Thompson; S.-W. Cheong; Z. Fisk; S.B. Oseroff
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 360 KB
- Volume
- 158
- Category
- Article
- ISSN
- 0921-4534
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Electron-doped superconductors Nd2CuO4\_xF x ; Nd2-zGdz CuO4-xFx and Pr2CuO 4\_ xFx have been synthesized A single doping level (x bulk-t). 18) of F was used for all the samples. The Nd was also substituted with Gd at z=0.05; 0.20 and 0 50. The fluorination of the Nd; NdGd and Pr cuprates (oxidized
Infrared absorption spectra of Nd2\_~CexCuO4 and R2CuO4 (R=Pr, Nd, Sm, and Gd) have been measured in the energy region between 250 and 800cm-]at room temperature. For Nd2-xCexCuO4 , it is found that the mode at about 350cm-1, which is the vibration of oxygen in the R-O layers along the a-axis, disap