Effect of thermal stress and diameter on I-V characteristics of template synthesized Cu-Se heterostructures

S. K. Chakarvarti; Meeru Chaudhri

doi:10.1117/12.759582

11 January 2008 Effect of thermal stress and diameter on I-V characteristics of template synthesized Cu-Se heterostructures

S. K. Chakarvarti, Meeru Chaudhri

Author Affiliations +

Proceedings Volume 6800, Device and Process Technologies for Microelectronics, MEMS, Photonics, and Nanotechnology IV; 68001H (2008) https://doi.org/10.1117/12.759582
Event: SPIE Microelectronics, MEMS, and Nanotechnology, 2007, Canberra, ACT, Australia

Abstract

One-dimensional nanostructures, such as nano-wires and nano-belts, offer a high degree of interest for furthering the current state of nanotechnology research and development. Higher aspect ratio, diameter dependent band-gap, and increased surface scattering for electrons are some of the more significant features in which nano-wires differ from their normal counterparts, which exhibit bulk properties. Many methods for the fabrication of nano-wires, nano-rods and nano-tubes have been developed including lithographic and non-lithographic techniques. Among them Template synthesis (non-lithographic technique) is a versatile, flexible and simple approach to the fabrication of metallic nano-wires and nano-tubes. We have successfully fabricated arrays of Cu-Se 5μm, 1μm, 100nm, 40nm hetero structures using a non-lithographic technique of filling cylindrical pores of track-etch membranes with Cu and Se materials. These were then analyzed by scanning electron microscope. I-V curves of deposited Cu-Se hetero structures of varying diameters were also recorded which show increase of negative differential resistance with decrease in diameters of these hetero-structures. The effect of thermal annealing at different temperatures causing thermal stress on these synthesized structures was also studied.

Citation Download Citation

S. K. Chakarvarti and Meeru Chaudhri "Effect of thermal stress and diameter on I-V characteristics of template synthesized Cu-Se heterostructures", Proc. SPIE 6800, Device and Process Technologies for Microelectronics, MEMS, Photonics, and Nanotechnology IV, 68001H (11 January 2008); https://doi.org/10.1117/12.759582

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