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Temperature dependence of the electron Landé g factor in InSb and GaAs
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Litvinenko, K., Nikzad, L., Pidgeon, C., Allam, J., Cohen, L., Ashley, Tim, Emeny, M., Zawadzki, W. and Murdin, B. (2008) Temperature dependence of the electron Landé g factor in InSb and GaAs. Physical Review B (Condensed Matter and Materials Physics), Volume 77 (Number 3). Article number 033204. doi:10.1103/PhysRevB.77.033204 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.77.033204
Abstract
We report Larmor precession in bulk InSb observed in the time domain from 77to300K. The optically oriented polarization precesses coherently even at 300K. The inferred Zeeman spin splitting is strongly nonparabolic, and the electron g factor (g∗) is in good agreement with k∙p theory (provided we take only the dilational contribution to the change in energy gap with temperature). We also show here that correct application of the 14-band k∙p model agrees with apparently anomalous trends previously reported for GaAs and confirm that the most widely quoted formula for g∗ in GaAs is incomplete.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1098-0121 | ||||
| Official Date: | 29 January 2008 | ||||
| Dates: |
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| Volume: | Volume 77 | ||||
| Number: | Number 3 | ||||
| Article Number: | Article number 033204 | ||||
| DOI: | 10.1103/PhysRevB.77.033204 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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