Depression of the weak-ferromagnetism of CuO2 planes in Gd2CuO4 through Ce and Th doping
β Scribed by A. Butera; A. Caneiro; M.T. Causa; L.B. Steren; R. Zysler; M. Tovar; S.B. Oseroff
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 495 KB
- Volume
- 160
- Category
- Article
- ISSN
- 0921-4534
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Infrared spectra measurements revealed that the highest energy F\_~ mode ( ~ 530 cm -m ) assigned to the in-plane Cu-O stretching motion in the T' structure, becomes weak in its strength with Ce-doping up to x=0.2 in Nd2\_xCexCuO4 while its energy shifts dOwnwards. It is concluded that the depressio
In strong magnetic fields up to 20 T the magnetoelectric effect has been measured in the tetrag~aal antlferromagnets GdzCuO4 and Sm2CuO4 m the temperature range of 1.9 K up to TN(Gd)=6 6 K and TN(Sm)=5 8 K respectively. The magnetoelectric effect exmts only m coincidence with the antiferromagnetical