Preparation of La1-xSrxMnO3 nanoparticles by sonication-assisted coprecipitation

Guangsheng Pang, Xiaonong Xu, Vladimir Markovich, Sigalit Avivi, Oleg Palchik, Yuri Koltypin, Gad Gorodetsky, Yosef Yeshurun, Hans Peter Buchkremer, Aharon Gedanken

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La1-xSrxMnO3 (x=0.3) (LSM) nanoparticles were prepared by a sonication-assisted coprecipitation method. The coprecipitation reaction is carried out with ultrasound radiation. Lower sintering temperatures are required for the sonication-assisted product. Fully crystallized LSM with an average particle size 24nm is obtained after the as-prepared mixture is annealed at 900°C for 2h. Magnetic properties indicate that the transition temperature from the paramagnetic to ferromagnetic state of the sample is quite sharp and occurs at 366K for samples annealed for 2h at 900 and 1100°C.

Original languageEnglish
Pages (from-to)11-16
Number of pages6
JournalMaterials Research Bulletin
Issue number1
StatePublished - 1 Jan 2003

Bibliographical note

Funding Information:
Y. Yeshurun, G. Gorodetsky, and A. Gedanken thank the Ministry of Science, Culture, and Sport for supporting this research through the Infrastructure-Strategic Project. A. Gedanken thanks also the BMBF, Germany, for financial support through the Energy Program. Dr. Pang and Dr. Xu thank the Kort 100 Scholarship Foundation for supporting their postdoctoral fellowship. The authors also thank Dr. Shifra Hochberg for editorial assistance.


  • Magnetic properties
  • Nanostructures
  • Oxides


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