Negative differential conductance and current bistability in undoped GaAs (Al,Ga) As quantum-cascade structures

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作者：
Lu, S.L. [1 ]
Schrottke, L. [1 ]
Hey, R. [1 ]
Kostial, H. [1 ]
Grahn, H.T. [1 ]
机构：
[1] Paul-Drude-Inst. F. F., Hausvogteiplatz 5-7, 10117 Berlin, Germany
来源：
Journal of Applied Physics | 2005年 / 97卷 / 02期
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