Characterisation of La2NiO4+δ using in-situ high temperature neutron powder diffraction
✍ Scribed by Stephen J Skinner
- Book ID
- 114370707
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 233 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1293-2558
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TlSr 2 NiO 4؉ has been synthesized and its structure determined using high-resolution neutron powder diffraction data collected at 5 K, 90 K, and room temperature. It crystallizes in an orthorhombic cell, space group Pmmm, lattice parameters a ؍ 3.7217(1), b ؍ 7.5158(2), and c ؍ 8.8321(3) A s
High-resolution neutron powder diffraction has been utilised to investigate the effect of lanthanum substitution on the structure of cerium niobate, CeNbO 4+d , as a function of temperature. Two members of the Ce 1Àx La x NbO 4+d solid solution series, Ce 0.8 La 0.2 NbO 4+d and Ce 0.2 La 0.8 NbO 4+d