R 5Pt4 compounds (R = Tb, Dy, Ho, Er, Tm, Lu and Y) isotypic with Pu5Rh4
✍ Scribed by Le Roy, J. ;Moreau, J.-M. ;Paccard, D. ;Parthé, E.
- Book ID
- 114525552
- Publisher
- International Union of Crystallography
- Year
- 1978
- Weight
- 396 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0567-7408
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Heat capacity of rare earth cuprates R,Cu,O, (R = Y, Tb-Lu) has been measured in the temperature range from 2.0 to 30 K. Specific heat anomalies corresponding to antiferromagnetic ordering of Cu '\* ions are found. The NCel temperatures vary from TN = 10 K (R = Dy) to TN = 25 K (R = Er). For Yb,Cu,O
The title compounds were synthesized by high pressure/high temperature reactions. TEM revealed the existence of three types of superstructures of the T-structure, which were also observed by powder and single crystal x-ray diffraction. The result of an average structure refinement with the T' unit c