Infrared Free Carrier Faraday Rotation of p-Type PbSe

概要

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The free carrier Faraday rotation in p-type PbSe was measured in the wavelength range from 4.5μ to 14μ at 295°K. The value of the hole mass was found to vary monotonically from 0.091m_0 to 0.113m_0 as the carrier concentration increased from 4.1 × 10^<17>cm^<-3> to 6.3 × 10^<18>cm^<-3>. The non-parabolicity of the valence band can be described in terms of the Cohen's nonellipsoidal model with the parameters m_0 = 0.074(±0.003)m_0, K = 1.7±0.2 and E_g = 0.27(±0.01)eV. It was found in p-type PbSe that the wavelength dependence of the free carrier Faraday rotation has a constant term in addition to the usual λ^2-dependence as Mitchell et al. had pointed out in PbS. The value of the constant term was estimated for the above range of the carrier concentration.
社団法人日本物理学会の論文
1967-05-05