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Application of Nanostructured ASP Precursors for Processing CaCuMn 6 O 12 Colossal Magnetoresistance Ceramics
Author(s) -
Chekanova Anastasia E.,
Philippov Yaroslav Yu.,
Goodilin Eugene A.,
Volkova Olga S.,
Veresov Alexander G.,
Tretyakov Yury D.,
Eremina Elena A.,
Klimov Konstantin V.,
Vasiliev Alexander N.,
Syrov Yury V.
Publication year - 2006
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2006.02090.x
Subject(s) - materials science , colossal magnetoresistance , magnetoresistance , microstructure , ceramic , chemical engineering , grain size , nanotechnology , metallurgy , magnetic field , physics , quantum mechanics , engineering
Nanostructured precursors prepared by ultrasonic aerosol spray pyrolisys at 750–950°C in air were applied for the first time to obtain Ca(Cu,Mn) 7 O 12 colossal magnetoresistance ceramics with a unique submicron necked‐grain microstructure. It was observed that a high contribution of intergrain tunneling magnetoresistance results in a 10–20% difference in functional properties as dependent on morphological features of hollow precursor microspheres ASP processed at a given temperature.
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