Temperature dependence of the electron Landé g factor in InSb and GaAs
Litvinenko, K. L., Nikzad, L., Pidgeon, C. R., Allam, J., Cohen, L. F., Ashley, T., Emeny, M., Zawadzki, W. and Murdin, B. N. (2008) Temperature dependence of the electron Landé g factor in InSb and GaAs Physical Review B, 77 (033204).
We report Larmor precession in bulk InSb observed in the time domain from 77 to 300 K. The optically oriented polarization precesses coherently even at 300 K. 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.
|Divisions :||Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Photonics
Faculty of Engineering and Physical Sciences > Physics
|Date :||29 January 2008|
|Identification Number :||10.1103/PhysRevB.77.033204|
|Additional Information :||Published in Physical Review B, 77, 033204. © 2008 The American Physical Society.|
|Depositing User :||Mr Adam Field|
|Date Deposited :||27 May 2010 14:44|
|Last Modified :||23 Sep 2013 18:34|
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