De Haas-van Alphen Effect in Manganese Phosphide

概要

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This paper is the first report on the experimental stuby of the de Haas-van Alphen (dHvA) effect in a magnetic compound. The dHvA oscillations in manganese phosphide are observed by low-frequency field-modulation techniques in the magnetic fields (H) applied along the c and b axes up to 94 kOe and at temperatures down to 1.1 K. The extremal area is determined as 3.23×10^<-2> a.u. in the paramagnetic phase in the region of H=50∼94kOe along the c axis. In the field along the b axis, the well-defined dHvA oscillations are observed in the paramagnetic phase in the region of H=50∼94 kOe along the c axis. IN the field along the b axis, the well-defined dHvA oscillations are observed in the paramagnetic phase in the region of H=40∼70 kOe and the extremal area is determined as 9.05×10^<-3> a.u., and various abnormal oscillations are observed in the fan phase in the regio of H=9∼37 kOe and it is concluded that the extremal area in the fan phase varies with the external magnetic field.
社団法人日本物理学会の論文
1976-04-15