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Growth of complex SiGe/Ge superlattices by reduced pressure chemical vapour deposition at low temperature
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Halpin, John E., Rhead, Stephen, Sánchez, Ana M., Myronov, Maksym and Leadley, D. R. (David R.) (2015) Growth of complex SiGe/Ge superlattices by reduced pressure chemical vapour deposition at low temperature. Semiconductor Science and Technology, 30 (11). 114009. doi:10.1088/0268-1242/30/11/114009 ISSN 0268-1242.
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Official URL: http://dx.doi.org/10.1088/0268-1242/30/11/114009
Abstract
In this work the growth of complex n-type, high Ge content superlattice structures by reduced pressure chemical vapor deposition is presented. The structures feature 50 repeats of a 14 layer period, which includes a main quantum well that is between 13 and 21 nm wide. The total epitaxy thickness is approximately 8 μm. Diffusion and segregation in the structures was minimized by using a low growth temperature. Materials characterization shows the structures to be of good crystalline quality, with the thickness of all layers close to the design, abrupt interfaces, and uniformity throughout the structures. High angle annular dark field scanning transmission electron microscopy is shown to be an ideal technique for measuring layer thickness and interface quality in these structures.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
Journal or Publication Title: | Semiconductor Science and Technology | ||||||||
Publisher: | Institute of Physics Publishing Ltd. | ||||||||
ISSN: | 0268-1242 | ||||||||
Official Date: | 15 October 2015 | ||||||||
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Volume: | 30 | ||||||||
Number: | 11 | ||||||||
Article Number: | 114009 | ||||||||
DOI: | 10.1088/0268-1242/30/11/114009 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
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