Journal
Article title
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Abstracts
One of the key factor which determine HgCdTe photodiode quality is acceptor doping efficiency. This paper presents significant progress made over the past three years in development of acceptor doping technology in metalorganic chemical vapour deposition HgCdTe photovoltaic detectors. High acceptor doping is required for P^{+}-contact layers, whereas low doping is necessary for p-type absorbing base layer. Previously, AsH_3 precursor was used as an acceptor dopant. This precursor is partially incorporated as electrically neutral As-H pairs, which are likely to be recombination centres in HgCdTe and in consequence influence on the carriers lifetime lowering. Substituting of AsH_3 by TDMAAs resulted in higher carrier lifetimes and thereby about one order of magnitude higher R_0A product of HgCdTe photodiodes in temperatures close to 230 K.
Discipline
- 07.57.Kp: Bolometers; infrared, submillimeter wave, microwave, and radiowave receivers and detectors(see also 85.60.Gz Photodetectors in electronic and magnetic devices, and 95.55.Rg Photoconductors and bolometers in astronomy)
- 79.60.Jv: Interfaces; heterostructures; nanostructures
- 78.67.Pt: Multilayers; superlattices; photonic structures; metamaterials(see also 81.05.Xj, Metamaterials for chiral, bianisotropic and other complex media)
- 42.79.Pw: Imaging detectors and sensors(see also 85.60.Gz Photodetectors)
- 73.21.Cd: Superlattices
Journal
Year
Volume
Issue
Pages
1199-1204
Physical description
Dates
published
2010-12
Contributors
author
- Institute of Applied Physics, Military University of Technology, S. Kaliskiego 2, 00-908 Warsaw, Poland
author
- Institute of Applied Physics, Military University of Technology, S. Kaliskiego 2, 00-908 Warsaw, Poland
author
- Vigo System S.A., Poznańska 129/133, 05-850 Ożarów Mazowiecki, Poland
author
- Vigo System S.A., Poznańska 129/133, 05-850 Ożarów Mazowiecki, Poland
author
- Institute of Applied Physics, Military University of Technology, S. Kaliskiego 2, 00-908 Warsaw, Poland
author
- Institute of Applied Physics, Military University of Technology, S. Kaliskiego 2, 00-908 Warsaw, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n628kz