[Th-A1-H] New trend and electronic properties in nitrides

9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[Th-A1-H-02] Cyclotron resonance in In_xGa_1-xN two-dimensional electron systems

〇Yasutaka IMANAKA¹, Dickson Zakaria Kindole¹, Masatomo Sumiya¹ (1. National Institute for Materials Science (Japan))

Cyclotron resonance measurements were carried out on high-quality AlGaN/In_xGa_1−xN heterostructures to determine the electron effective mass in InGaN two-dimensional electron systems. A well-resolved resonance yielded m* = 0.23 m₀ for x = 5%, and decreases with increasing indium composition.