Cyclotron resonance in n-type ZnO

The magnetic field dependence and the temperature dependence of the cyclotron resonance were investigated in n-type ZnO. The observed resonance was assigned as not a conduction electron cyclotron resonance but trapped electron cyclotron resonance from the magnetic field dependence of the resonant energy. The effective mass and the electron-phonon coupling constant were calculated as m(*) = 0.23m(0) and alpha = 1.2 from the obtained polaron mass, m(pol)(*) = 0.29m(0). (C) 2001 Elsevier Science B.V. All rights reserved.