Microwave-Assisted Hydrothermal Synthesis as a Rapid Route Towards Manganite Preparation

Anotnio Rizzuti; Massimo Viviani; Anna Corradi; Paolo Nanni; Cristina Leonelli

doi:10.4028/www.scientific.net/SSP.128.21

Paper Titles

Preface, Organizers, Committees

Vapour Phase Synthesis of Nanocrystalline In Situ YAG:Ce
p.7

Synthesis of Nano-Powder Materials Using Spray-Pyrolysis Method
p.13

Microwave-Assisted Hydrothermal Synthesis as a Rapid Route Towards Manganite Preparation
p.21

Growth and Properties of Ytterbium Doped KY(WO₄)₂ Nanocomposites
p.25

Synthesis Improvement of Yb³⁺-Activated SnO₂ Nanocrystals
p.31

Optimization of Conditions of Preparation of YAG Nanopowders for Sintering of Translucent Ceramics
p.41

The Effects of Oxidized and Oxide-Free Boron on the Mg-B-H Nanohydrides Transformation in the Nearly Nanosized Powders
p.47

Comparative Analysis of ZnS:Mn²⁺ Nanophosphors Prepared by Hydrothermal and Low Temperature Precipitation Methods
p.53

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Microwave-Assisted Hydrothermal Synthesis as a Rapid Route Towards Manganite Preparation

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.

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Periodical:

Solid State Phenomena (Volume 128)

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21-24

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https://doi.org/10.4028/www.scientific.net/SSP.128.21

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Online since:

October 2007

Authors:

Anotnio Rizzuti, Massimo Viviani, Anna Corradi, Paolo Nanni, Cristina Leonelli

Keywords:

Hydrothermal, Manganite, Micro-Wave, Perovskite

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