In situ TEM observation of the growth and decomposition of monoclinic W18O49 nanowires

C. L. Chen; H. Mori

doi:10.1088/0957-4484/20/28/285604

In situ TEM observation of the growth and decomposition of monoclinic W₁₈O₄₉ nanowires

C. L. Chen, H. Mori

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18 Citations (Scopus)

Abstract

The growth of monoclinic W₁₈O₄₉ nanowires by heat treatment of a tungsten filament at ∼873K and the decomposition of these nanowires under 200keV electron irradiation at ∼1023K have been investigated using in situ transmission electron microscopy (TEM). In situ TEM observation of the growth confirmed the vapor-solid growth mechanism of the monoclinic W₁₈O₄₉ nanowires. In situ irradiation experiments revealed the formation of metallic bcc tungsten from monoclinic W₁₈O ₄₉ nanowires under 200keV electron irradiation.

Original language	English
Article number	285604
Journal	Nanotechnology
Volume	20
Issue number	28
DOIs	https://doi.org/10.1088/0957-4484/20/28/285604
Publication status	Published - 2009

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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abstract = "The growth of monoclinic W18O49 nanowires by heat treatment of a tungsten filament at ∼873K and the decomposition of these nanowires under 200keV electron irradiation at ∼1023K have been investigated using in situ transmission electron microscopy (TEM). In situ TEM observation of the growth confirmed the vapor-solid growth mechanism of the monoclinic W18O49 nanowires. In situ irradiation experiments revealed the formation of metallic bcc tungsten from monoclinic W18O 49 nanowires under 200keV electron irradiation.",

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AB - The growth of monoclinic W18O49 nanowires by heat treatment of a tungsten filament at ∼873K and the decomposition of these nanowires under 200keV electron irradiation at ∼1023K have been investigated using in situ transmission electron microscopy (TEM). In situ TEM observation of the growth confirmed the vapor-solid growth mechanism of the monoclinic W18O49 nanowires. In situ irradiation experiments revealed the formation of metallic bcc tungsten from monoclinic W18O 49 nanowires under 200keV electron irradiation.

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In situ TEM observation of the growth and decomposition of monoclinic W₁₈O₄₉ nanowires

Abstract

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