Microwave-flash combustion synthesis of yttria nanopowders

Mangalaraja, R. V.; Ramam, K. V. S.; Ravi, J.; Camurri, C. P.

Artykuł - szczegóły

Tytuł artykułu

Microwave-flash combustion synthesis of yttria nanopowders

Autorzy

Mangalaraja R. V. , Ramam K. V. S. , Ravi J. , Camurri C. P.

Wybrane pełne teksty z tego czasopisma

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Języki publikacji

Abstrakty

Single phase yttria nanopowders for transparent ceramics were successfully prepared by using a novel approach called microwave-flash combustion technique. This technique involves the reaction of yttrium nitrate and urea in microwave oven for few minutes. The as-prepared precursor powder was later calcined at 1100 st.C for 4h to form cubic crystalline yttria nanopowders. The as-prepared and calcined powders were analysed by such methods as thermogravimetry, Brunauer-Emmett-Teller surface area measurement, X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The results confirmed that the yttria powder synthesized by microwave-flash combustion was homogeneous and the particles size was in the range of 50-120 nm for calcined powders.

Słowa kluczowe

synthesis microwave flash combustion yttria nanopowders transparent ceramics

Wydawca

De Gruyter

Czasopismo

Materials Science Poland

Rocznik

2007

Tom

Vol. 25, No. 4

Strony

1075--1080

Opis fizyczny

Bibliogr. 24 poz.

Twórcy

autor

Mangalaraja R. V.

autor

Ramam K. V. S.

autor

Ravi J.

autor

Camurri C. P.

Department of Materials Engineering, University of Concepción, Casilla 160-C, Concepción, Chile

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-article-BPW7-0007-0136