Relaxation and tunneling dynamics of photogenerated carriers in semiconductor superlattices.

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  • 半導体超格子中の光励起担体の緩和とトンネルのダイナミックス
  • ハンドウタイ チョウ コウシチュウ ノ ヒカリ レイキタンタイ ノ カンワ ト

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Abstract

Population mixing and time-resolution techniques were applid to study the dynamical carrier processes inGaAs-AlGaAs superlattices under the perpendicular electric field.Competitive nature of ultrafast processes ofphoto-excited electron-hole pairs, exciton formation and pair ionization followed by tunneling through barriers, are clarified under the various electric field.

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