The de Haas-van Alphen Effect of n-Type Cd_3As_2
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概要
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A study of the de Haas-van Alphen (dHvA) effect of Cd_3As_2 by the torque method is presented. One kind of the dHvA oscillations was observed in the (100) plane with fields up to 20 KG in the temperature range between 1.5 and 4.2°K. From the analysis of the dHvA oscillations, it was revealed that the Fermi surface of electrons is a revolution ellipsoid elongated along the c-(4-fold) axis. The effective mass ratio, m_〓^*/m_〓 of 0.034, 0.040 and 0.052 and the anisotropy factor m_〓^*/m_〓^* of 1.22, 1.18 and 1.13 have been obtained for the electron concentration of 2.05×10^<18>, 2.20×10^<18> and 4.44×10^<18> cm^<-3>, respectively. These effective mass ratio and the anisotropy factor dependences on the electron concentration may suggest a non-parabolicity in the conduction band.
- 東北大学の論文
著者
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FUKASE Tetsuo
The Research Institute for Iron,Steel and Other Metals,Tohoku University
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Fukase Tetsuo
The Research Institute For Iron Steel And Other Metals
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FUKUROI Tadao
The Resarch Institute for Iron, Steel and Other Metals
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Doi Hideyuki
The Institute For Solid State Physics The University Of Tokyo
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MUTO Yoshio
The Research Institute for Iron, Steel and Other Metals, Tohoku University
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Muto Yoshio
The Research Institute For Iron Steel And Other Metals
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TANAKA Kunihide
The Research Institute for Iron, Steel and Other Metals
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Tanaka Kunihide
The Research Institute For Iron Steel And Other Metals
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FUKASE Tetsuo
The Research Institute for Iron, Steel and Other Metals
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