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New insights into the thermally activated defects in n-type float-zone silicon

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Zhu, Yan, Rougieux, Fiacre, Grant, Nicholas E., Mullins, Jack, De Guzman, Joyce Ann, Murphy, John D., Markevich, Vladimir P., Coletti, Gianluca, Peaker, Anthony R. and Hameiri, Ziv (2019) New insights into the thermally activated defects in n-type float-zone silicon. AIP Conference Proceedings, 2147 (1). 140014 . doi:10.1063/1.5123901 ISSN 0094-243X.

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Official URL: http://doi.org/10.1063/1.5123901

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Abstract

Float-zone silicon has been long assumed to be bulk defect free and stable. Nevertheless, recently it was found that upon annealing between 450 °C to 700 °C detrimental defects can be activated in this material. Previous studies via deep level transient spectroscopy have identified several defect levels. However, it is still not clear which of these levels have a substantial impact on the minority carrier lifetime. In this study, we determine the recombination parameters of the dominant defect level using a combination of deep level transient spectroscopy and temperature and injection dependent lifetime spectroscopy. Additionally, we investigated the effect of hydrogenation on the thermally activated defects in n-type float-zone silicon.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Photovoltaic power generation, Zone melting, Silicon, Semiconductors -- Purification, Solar cells
Journal or Publication Title: AIP Conference Proceedings
Publisher: American Institute of Physics
ISSN: 0094-243X
Official Date: 27 August 2019
Dates:
DateEvent
27 August 2019Published
21 July 2019Accepted
Volume: 2147
Number: 1
Article Number: 140014
DOI: 10.1063/1.5123901
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): The following article has been accepted by AIP Conference Proceedings. After it is published, it will be found at https://aip.scitation.org/journal/apc
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 1 August 2019
Date of first compliant Open Access: 5 August 2019
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/M024911/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
ARENA 2017/RND001Australian Renewable Energy Agencyhttp://dx.doi.org/10.13039/501100005105
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