Effect of the Heterointerface on Transport Properties of in Situ Formed MgO/Titanate Heterostructured Nanowires

Effect of the Heterointerface on Transport Properties of in Situ Formed MgO/Titanate Heterostructured Nanowires

Heterostructured transition metal oxide nanowires are potential candidates to incorporate rich functionalities into nanowire-based devices. Although the oxide heterointerface plays a crucial role in determining the physical properties, the effects of the heterointerface on the oxide nanowireʼs prope...

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Veröffentlicht in:Journal of the American Chemical Society 2008-04, Vol.130 (15), p.5378-5382
Hauptverfasser: Nagashima, Kazuki, Yanagida, Takeshi, Tanaka, Hidekazu, Seki, Shu, Saeki, Akinori, Tagawa, Seiichi, Kawai, Tomoji
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container_end_page 5382
container_issue 15
container_start_page 5378
container_title Journal of the American Chemical Society
container_volume 130
creator Nagashima, Kazuki
Yanagida, Takeshi
Tanaka, Hidekazu
Seki, Shu
Saeki, Akinori
Tagawa, Seiichi
Kawai, Tomoji
description Heterostructured transition metal oxide nanowires are potential candidates to incorporate rich functionalities into nanowire-based devices. Although the oxide heterointerface plays a crucial role in determining the physical properties, the effects of the heterointerface on the oxide nanowireʼs properties have not been clarified. Here we investigate for the first time the significant role of the heterointerface in determining the transport properties of well-defined MgO/titanate heterostructured nanowires by combining a technique for in situ formation of a oxide heterointerface and microwave conductivity measurement. Variation of the heterointerface strongly affects the nanowireʼs transport properties due to the crystallinity and the atomic interdiffusion at the oxide heterointerface. Thus, the precise in situ formation of a well-defined heterointerface is crucial to create oxide heterostructured nanowires with the desired transport properties.
doi_str_mv 10.1021/ja800367a
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title Effect of the Heterointerface on Transport Properties of in Situ Formed MgO/Titanate Heterostructured Nanowires
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