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Influence of oxygen on structural transitions in Pr2NiO4+δ

✍ Scribed by C. Allançon; A. Gonthier-Vassal; J.M. Bascat; J.P. Loup; P. Odier

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
743 KB
Volume
74
Category
Article
ISSN
0167-2738

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Oxygen Exchange in Pr2NiO4+δ at High Tem
Oxygen Exchange in Pr2NiO4+δ at High Temperature and Direct Formation of Pr4Ni3O10−x
✍ P. Odier; Ch. Allançon; J.M. Bassat 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 136 KB

We have studied the stability of Pr 2 NiO 4؉ under pure oxygen 6ow by in situ measurement of its weight versus T. Above 8503C a fast oxidation is observed corresponding to the ex-solution of PrO y species and to the formation of metallic Pr 4 Ni 3 O 10؊x . This reaction is not reversible. The quanti