Samples of Ln 3 Ba 2 Mn 2 Cu 2 O 127y , Ln=Sm, Eu, have been synthesized with non-absorbing isotopes and studied by highresolution powder neutron diffraction. For Ln=Eu, the material was studied before and after annealing in oxygen. Results show that segregation of the manganese and copper between t
The Layered Manganocuprate Eu3Ba2Mn2Cu2O12: An Intergrowth between the "123" and "0201" Structures
β Scribed by M. Hervieu; C. Michel; R. Genouel; A. Maignan; B. Raveau
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 403 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0022-4596
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Systematic studies on the effect of substitutions on the layered manganocuprate Eu 3 Ba 2 Mn 2 Cu 2 O 12 have been conducted. To introduce holes, we have made substitutions of Ca for Eu and/or Sc for Mn, (Eu 3Ψx Ca x )Ba 2 (Mn 2Ψy Sc y )Cu 2 O 12 . Single-phase compounds are obtained over a fairly w
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