Investigations on the Structural, Electrical and Magnetic Properties of Sr Substituted Ln2NiO4 (Ln = Pr, Sm, Gd)
β Scribed by S.C. Chen; K.V. Ramanujachary; Martha Greenblatt
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 552 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0022-4596
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π SIMILAR VOLUMES
Most of the title compounds were prepared by reaction of the rare-earth metaperrhenates Ln(ReO 4 ) 3 with the rare-earth metals in sealed silica tubes. Nd 4 Re 6 O 19 was obtained by reaction of the intermetallic compound NdRe 2 with the metaperrhenate Nd(ReO 4 ) 3 . The compounds Ln 2 ReO 5 crystal
New layered Co oxides of nominal formula Sr 2 (Ln 0.8 Ca 0.2 ) Co 2 O 6 (Ln β«Ψβ¬ Sm, Eu, Gd, Tb, Dy, Ho, and Y) are reported. Single-phase polycrystalline samples were obtained at compositions Sr 2 Y 1Ψx Ca x Co 2.5Ψ O 6Ψ (0.24x40.5; 04 40.24), Sr 2 Y 1Ψx Ca x Co 3.4Ψ 2 O 6Ψ (0.24x40.5; 0.624 40.79),