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- 01/01/1988
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- 01/01/1990
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- 01/01/1991
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No full text报道GaAs/AlGaAs多量子阱长波长红外探测器材料的制备及其性能。这种材料由GaAs阱和AlGaAs势垒组成,阱内n型掺杂,具有50个周期。利用分子束外延技术成功地生长出了大面积(φ2英寸)均匀(厚度Δt_(max)/t=300A)、控制掺杂(n<=1×10~(18)cm~(-3))、精确设计子带结构, 将暗电流降低了几个数量级,同时使电子的输运得到了改善。由此得到了高质量的多量子阱红外探测器材料
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