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Synthesis and properties of electron transport in semiconductor nanowires

Grant number: 12/06916-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2012
Effective date (End): February 29, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Adenilson José Chiquito
Grantee:Hanay Kamimura
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


This proposal aims at the production and characterization of single crystal semiconductor nanowires. The nanostructures of interest are semiconductor nanowires such as germanium and indium phosphide, both "classic" semiconductors with potential application in opto-nanoelectronic devices and which can be obtained by alternative routes such as the catalyzed vapor-liquid-solid growth mechanism. In order to improve the processes of growth, we intend to study some structural features and electronic-based devices built with a single nanowire or multiple nanowires. Electronic transport experiments should be conducted allowing the characterization of: the conduction mechanisms, the scattering processes of dominant carriers, the influence of structural disorder and surface transport mechanisms. We expect to contribute to the understanding of the physical processes involved in electron transport and the improvement of the production / application of nanowires as forming elements (building blocks) of nanoelectronic devices and nano-opto-electronics.

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
KAMIMURA, H.; DALMASCHIO, C. J.; CARROCINE, S. C.; RODRIGUES, A. D.; GOUVEIA, R. C.; LEITE, E. R.; CHIQUITO, A. J.. Optoelectronic characteristics of single InP nanowire grown from solid source. MATERIALS RESEARCH EXPRESS, v. 2, n. 4, . (12/06916-4)
GOUVEIA, R. C.; RODRIGUES, A. D.; LEITE, E. R.; CHIQUITO, A. J.. Schottky contacts in germanium nanowire network devices synthesized from nickel seeds. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, v. 84, p. 537-542, . (12/06916-4)
GOUVEIA, R. C.; KAMINIURA, H.; MUNHOZ, R.; RODRIGUES, A. D.; LEITE, E. R.; CHIQUITO, A. J.. Germanium nanowires grown using different catalyst metals. Materials Chemistry and Physics, v. 183, p. 145-151, . (12/06916-4)
KAMIMURA, H.; GOUVEIA, R. C.; DALMASCHIO, C. J.; LEITE, E. R.; CHIQUITO, A. J.. Synthesis and electrical characterization of Zn3P2 nanowires. Semiconductor Science and Technology, v. 29, n. 1, . (09/51740-9, 12/06916-4)
KAMIMURA, H.; GOUVEIA, R. C.; CARROCINE, S. C.; SOUZA, L. D.; RODRIGUES, A. D.; TEODORO, M. D.; MARQUES, G. E.; LEITE, E. R.; CHIQUITO, A. J.. Optical and transport properties correlation driven by amorphous/crystalline disorder in InP nanowires. JOURNAL OF PHYSICS-CONDENSED MATTER, v. 28, n. 47, . (13/18719-1, 14/07375-2, 12/06916-4)

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