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Generation-recombination noise and photo-induced transient conductivity in epitaxial CdHgTe long wavelength infrared detectors

机译:外延CdHgTe长波长红外探测器中的产生复合噪声和光诱导瞬态电导率

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Measurements are described of I-V characteristics, resistance versus T~-1, noise and photoresponse for frequencies of 10 Hz to 1 MHz in the temperature range 300-50 K for cadmium-mercury telluride long-wavelength infrared detectors having 1#mu# epitaxial layers on wide band gap material. The noise consists of 1/f noise and one or two Lorentzians, attributed to shallow hole traps, probably associated with Hg vacancies. The results are discussed and analyzed after a brief resume of g-r noise. The PICTS response curves are attributed to tunneling to interface states. direct c 1999 Elsevier Science B.V. All rights reserved.
机译:描述了具有1#mu#外延层的碲化镉汞长波长红外探测器在300-50 K温度范围内10 Hz至1 MHz频率下的IV特性,电阻对T〜-1,噪声和光响应的测量结果在宽带隙材料上。噪声由1 / f噪声和一个或两个洛伦兹噪声组成,归因于浅孔陷阱,可能与汞空位有关。在短暂恢复g-r噪声后,将对结果进行讨论和分析。 PICTS响应曲线归因于隧穿到接口状态。直接c 1999 Elsevier Science B.V.保留所有权利。

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