Abstract
The weak antilocalization effects of the two-dimensional electron gas in a high mobility AlxGa1-xN/GaN heterostructure have been investigated by means of magnetotransport measurements before and after illumination. The zero-field spin splitting mainly arising from the Rashba spin-orbit coupling effect as a function of electron concentration as well as a function of temperature is studied using the weak antilocalization analysis. The Rashba spin-orbit coupling constant α deduced using the weak antilocalization analysis shows a rapid decrease with the increase of the measured electron concentration.
| Original language | English |
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| Article number | 262104 |
| Journal | Applied Physics Letters |
| Volume | 93 |
| Issue number | 26 |
| DOIs | |
| State | Published - 2008 |