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Features of Formation of Composite Nanopowders Based on Al2O3 and AlN

Published online by Cambridge University Press:  07 February 2012

M. Vlasova ,
P. A. Márquez Aguilar ,
M. Kakazey ,
V. Stetsenko ,
A. Bykov  and
T. Tomila
M. Vlasova
Affiliation:
Autonomous University of the State of Morelos, CIICAp, Cuernavaca, Av. Universidad, 1001, Mexico.
P. A. Márquez Aguilar
Affiliation:
Autonomous University of the State of Morelos, CIICAp, Cuernavaca, Av. Universidad, 1001, Mexico.
M. Kakazey
Affiliation:
Autonomous University of the State of Morelos, CIICAp, Cuernavaca, Av. Universidad, 1001, Mexico.
V. Stetsenko
Affiliation:
Institute for Problems of Materials Science NASU, Kiev, 3, Krzhyzhanovsky St., 252680, Ukraine
A. Bykov
Affiliation:
Institute for Problems of Materials Science NASU, Kiev, 3, Krzhyzhanovsky St., 252680, Ukraine
T. Tomila
Affiliation:
Institute for Problems of Materials Science NASU, Kiev, 3, Krzhyzhanovsky St., 252680, Ukraine
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Abstract

Two technological processes of synthesis of nanopowders containing Al2O3, AlN, and AlON have been investigated. It has been established that AlN nanoparticles formed on the base of ablation products (Al and N2) during laser irradiation of AlN targets are coated with AlON films of different composition and have a complex surface defective structure. In composite powders obtained by carbothermal reduction of Al2O3, along with AlN and AlON, initial oxide Al2O3 is present, which indicates the incompleteness of the process.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1371: Symposium S1 – Nanostructured Materials and Nanotechnology , 2012 , imrc11-1371-s1-p076
Copyright
Copyright © Materials Research Society 2012

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References

REFERENCES

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