Singlet and triplet states of trions in ZuSe-based quantum wells probed by magnetic fields to 50 Tesla

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Singlet and triplet states of positively (X{sup +}) and negatively (X{sup -}) charged excitons in ZnSe-based quantum wells have been studied by means of photoluminescence in pulsed magnetic fields up to 50 T. The binding energy of the X{sup -} singlet state shows a monotonic increase with magnetic field with a tendency to saturation, while that of the X{sup +} slightly decreases. The triplet X{sup +} and X{sup -} states, being unbound at zero magnetic field, noticeably increase their binding energy in high magnetic fields. The experimental evidence for the interaction between the triplet and singlet states of lTions leading ... continued below

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16 p.

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Astakhov, G. V.; Yakovlev, D. R.; Crooker, S. A. (Scott A.); Barrick, T. (Todd); Dzyubenko, A. B.; Sander, Thomas et al. January 1, 2002.

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Description

Singlet and triplet states of positively (X{sup +}) and negatively (X{sup -}) charged excitons in ZnSe-based quantum wells have been studied by means of photoluminescence in pulsed magnetic fields up to 50 T. The binding energy of the X{sup -} singlet state shows a monotonic increase with magnetic field with a tendency to saturation, while that of the X{sup +} slightly decreases. The triplet X{sup +} and X{sup -} states, being unbound at zero magnetic field, noticeably increase their binding energy in high magnetic fields. The experimental evidence for the interaction between the triplet and singlet states of lTions leading to their anticrossing in magnetic fields has been found.

Physical Description

16 p.

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  • Submitted to: International Conference of the Physics of Semiconductors, Edinburgh, Scotland, July 29-August 3, 2002

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  • Report No.: LA-UR-02-4909
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976250
  • Archival Resource Key: ark:/67531/metadc925829

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 4:49 p.m.

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Astakhov, G. V.; Yakovlev, D. R.; Crooker, S. A. (Scott A.); Barrick, T. (Todd); Dzyubenko, A. B.; Sander, Thomas et al. Singlet and triplet states of trions in ZuSe-based quantum wells probed by magnetic fields to 50 Tesla, article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc925829/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.