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NATIVE DEFECT COMPENSATION IN Ⅲ-ANTIMONIDE BULK SUBSTRATES

机译:Ⅲ-锑化物本体的自然缺陷补偿

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摘要

As-grown, undoped Ⅲ-antimonide bulk substrates contain high concentration of native defects resulting in high residual carrier density. In this paper, we have demonstrated that native defects can be compensated in bulk substrates of GaSb, InSb, and Ga_(1-x)In_xSb via impurity doping and low temperature growth from nonstoichiomet-ric melts and solutions. Decrease in residual carrier concentration up to one order of magnitude at 300 K and three orders of magnitude at 77 K have been achieved.
机译:刚生长的未掺杂Ⅲ-锑化物本体衬底包含高浓度的天然缺陷,从而导致高的残留载流子密度。在本文中,我们已经证明,GaSb,InSb和Ga_(1-x)In_xSb的块状衬底可以通过杂质掺杂和非化学计量熔体和溶液的低温生长来补偿固有缺陷。已实现将残留载流子浓度降低至300 K时一个数量级和77 K时三个数量级。

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