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Growth of Molybdenum Oxide Nano-Micro Structures by Thermal Annealing Process

Sajjad Tollabimazraehno 1Seyed Mohammad Mahdavi 1Azam Iraji zad 1,2Seyad Ahmad Mahdavi Ardakani 3Abas Azarian 1

1. Sharif University of Technology, Azadi Avenue, Tehran 14588, Iran
2. Institute for Nanoscience and nanotechnology Sharif University of Technology, Azadi Avenue, Tehran 14588, Iran
3. Aviation Technology College, Tehran, Iran, Tehran 00000, Iran


The needle and planar molybdenum oxide structures on molybdenum foil were grown by thermal annealing process. The effects of different parameters such as oxygen flow rate, presence of oxygen, annealing temperatures and annealing time on structures, grain size and aspect ratio of nano/micro structures were studied. It is found that the density of structures is only function of oxygen flow rate and annealing temperature. The maximum density of MoO3 nanorods were observed at annealing temperature 530ÂșC in air. The mechanism of the crystals growth was found for synthesized nanorods.


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Presentation: Poster at E-MRS Fall Meeting 2008, Symposium D, by Sajjad Tollabimazraehno
See On-line Journal of E-MRS Fall Meeting 2008

Submitted: 2008-05-19 19:18
Revised:   2009-06-07 00:48