Relaxation Time Anisotropy in Cadmium Sulphide Studied with Electrical Resistivity and Magneto-Resistance Effect

抄録

Anisotropic temperature dependences of electrical resistivity and magneto-resistance effect in hexagonal cadmium sulphide single crystal have been observed in several impurity-doped conducting and photoconducting crystals. The experimental results indicate some unusual anisotropic behaviours. They seem to suggest that the relaxation time anisotropy plays some important roles in transport phenomena of cadmium sulphide single crystals having hexagonal crystal structure.