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Semiconductor nanowires: investigation of formation processes and applications in thermoelectric systems

Grant number: 11/22876-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2012
Effective date (End): February 29, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Mônica Alonso Cotta
Grantee:Douglas Soares de Oliveira
Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):13/24902-3 - Thermoelectric properties of semiconductor nanowires, BE.EP.DR
Associated research project(s): 12/20092-4


Semiconductor nanowires have been widely investigated in the last decade due to possible applications associated with their geometry and physical properties. However, some issues related to the growth of nanowires, particularly those of III-V compounds, remain to be answered so that technological applications of these nano-objects can be accomplished. In this project we intend to study the growth of semiconductor nanowires of III-V compounds, particularly of ternary alloys and / or heterostructures, exploring their structural characterization and studying the resulting effects (such as shape, crystallographic orientation, optical and electrical properties, etc.). This work will be performed in search of new geometric and structural features that may be associated with different phenomena regarding thermal and electrical properties. To achieve this goal, the research methodology involves different techniques - epitaxy, electron and atomic force microscopies, microdevice processing, optical and electrical measurements, among others - to create a platform for testing the thermoelectric properties of nanowires obtained in our group.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
OLIVEIRA, Douglas Soares de. Alternative approaches to III-V semiconductors nanowire growth. 2016. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Instituto de Física Gleb Wataghin Campinas, SP.

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