Mechanochemical synthesis of NaNbO3, KNbO3 and K0.5Na0.5NbO3 | Zendy

Tadej Rojac | Zendy; Marija Kosec | Zendy; Barbara Malič | Zendy; Janez Holc | Zendy

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Mechanochemical synthesis of NaNbO3, KNbO3 and K0.5Na0.5NbO3

Author(s) -

Tadej Rojac,

Marija Kosec,

Barbara Malič,

Janez Holc

Publication year - 2005

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0501061r

Subject(s) - materials science , solid solution , chemical engineering , perovskite (structure) , boundary (topology) , mechanochemistry , crystallography , mineralogy , chemistry , nanotechnology , metallurgy , mathematics , engineering , mathematical analysis

Mechanochemical synthesis of the K0.5Na0.5NbO3 solid solution (KNN) is studied. In order to explore the mechanochemical interactions between the constituents in the Na2CO3 - K2CO3 - Nb2O5 system, NaNbO3 and KNbO3 as the boundary compositions of the KNN solid solution are also studied. It has been shown that NaNbO3 can be prepared by a single-step mechanochemical synthesis, while in the case of K2CO3 and Nb2O5, and Na2CO3, K2CO3 and Nb2O5 mixtures, only amorphisation occurs even after prolonged milling

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