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In this work attempts to prepare strontium-doped lanthanum manganites La1-xSrxMnO3 using microwave-assisted hydrothermal synthesis were undertaken from a mixture of lanthanum nitrate, strontium nitrate, manganese(II) nitrate, potassium permanganate and potassium hydroxide as a mineralizer. For x = 0.3, and x = 0.5, the perovskite obtained is not defined since both La0.7Sr0.3MnO3 and La0.5Sr0.5MnO3 phases are consistent with XRD spectra. While with x = 1.0, for the first time, hexagonal strontium manganite was prepared as blade-shaped crystallites with a narrow particle length distribution (range 3.75-7.75 μm) at 210°C using a treatment time of only 1 hour. Conventional hydrothermal synthetic routes require at least 24 hrs treatment time.

Microwave-assisted hydrothermal synthesis as a rapid route towards manganite preparation / Rizzuti, A.; Viviani, M.; Corradi, A.; Nanni, P.; Leonelli, C.. - In: DIFFUSION AND DEFECT DATA, SOLID STATE DATA. PART B, SOLID STATE PHENOMENA. - ISSN 1012-0394. - STAMPA. - 128:(2007), pp. 21-24. (Intervento presentato al convegno Symposium C of European Materials Research Society, E-MRS 2006 tenutosi a pol nel 2006) [10.4028/www.scientific.net/SSP.128.21].

Microwave-assisted hydrothermal synthesis as a rapid route towards manganite preparation

Rizzuti A.;Leonelli C.
2007

Abstract

In this work attempts to prepare strontium-doped lanthanum manganites La1-xSrxMnO3 using microwave-assisted hydrothermal synthesis were undertaken from a mixture of lanthanum nitrate, strontium nitrate, manganese(II) nitrate, potassium permanganate and potassium hydroxide as a mineralizer. For x = 0.3, and x = 0.5, the perovskite obtained is not defined since both La0.7Sr0.3MnO3 and La0.5Sr0.5MnO3 phases are consistent with XRD spectra. While with x = 1.0, for the first time, hexagonal strontium manganite was prepared as blade-shaped crystallites with a narrow particle length distribution (range 3.75-7.75 μm) at 210°C using a treatment time of only 1 hour. Conventional hydrothermal synthetic routes require at least 24 hrs treatment time.
2007
Symposium C of European Materials Research Society, E-MRS 2006
pol
2006
128
21
24
Rizzuti, A.; Viviani, M.; Corradi, A.; Nanni, P.; Leonelli, C.
Microwave-assisted hydrothermal synthesis as a rapid route towards manganite preparation / Rizzuti, A.; Viviani, M.; Corradi, A.; Nanni, P.; Leonelli, C.. - In: DIFFUSION AND DEFECT DATA, SOLID STATE DATA. PART B, SOLID STATE PHENOMENA. - ISSN 1012-0394. - STAMPA. - 128:(2007), pp. 21-24. (Intervento presentato al convegno Symposium C of European Materials Research Society, E-MRS 2006 tenutosi a pol nel 2006) [10.4028/www.scientific.net/SSP.128.21].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1248624
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