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Excitonic Absorption Lines of PbS in a CdS−PbS Composite
The spectral dependences of transmission, absorption, and reflection in CdS−PbS semiconductor layers, which are promising for the development of photodetectors and emitters in the region of an atmospheric- transparency window, were studied. It has been established that a series of thin lines are obs...
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| Published in: | Technical physics letters 2018-04, Vol.44 (4), p.309-312 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 312 |
| container_issue | 4 |
| container_start_page | 309 |
| container_title | Technical physics letters |
| container_volume | 44 |
| creator | Trofimova, N. B. Rokakh, A. G. Bochkarev, A. O. Shishkin, M. I. |
| description | The spectral dependences of transmission, absorption, and reflection in CdS−PbS semiconductor layers, which are promising for the development of photodetectors and emitters in the region of an atmospheric- transparency window, were studied. It has been established that a series of thin lines are observed in the infrared spectrum on an absorption edge of the narrow-gap phase (PbS). A method for identification of exciton series was used, and exciton-binding energy
E
ex
, exciton concentration
N
, and value of valence-band splitting Δ
E
v
were determined. |
| doi_str_mv | 10.1134/S1063785018040120 |
| format | article |
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E
ex
, exciton concentration
N
, and value of valence-band splitting Δ
E
v
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E
ex
, exciton concentration
N
, and value of valence-band splitting Δ
E
v
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E
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| fulltext | fulltext |
| identifier | ISSN: 1063-7850 |
| ispartof | Technical physics letters, 2018-04, Vol.44 (4), p.309-312 |
| issn | 1063-7850 1090-6533 |
| language | eng |
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| source | Springer Nature |
| subjects | Absorption Classical and Continuum Physics Emitters Excitons Infrared radiation Lead sulfides Physics Physics and Astronomy |
| title | Excitonic Absorption Lines of PbS in a CdS−PbS Composite |
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