Reactive ion etching of GaAs using BCl3

Reactive ion etching of GaAs using BCl3
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使用 BCl3 对 GaAs 进行反应离子蚀刻

DOI:
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发表时间:
1984
期刊:
影响因子:
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通讯作者:
J. Ballantyne
J. Ballantyne
中科院分区:
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文献类型:
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作者:
G. Sonek;J. Ballantyne

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本文研究了在BCl_3等离子体放电条件下反应离子刻蚀GaAs。蚀刻速率已被表征为压力(10-25 mTorr)、功率密度(0.05-0.5W/cm 2)和Cl 2/BCl 3气体组成的函数。已经获得了12-20 nm/min的速率,并且显著低于其他氯化等离子体。蚀刻轮廓表现出高度的各向异性和光滑的表面形态。
The reactive ion etching of GaAs has been investigated in BCl3 plasma discharges. Etching rates have been characterized as functions of pressure (10–25 mTorr), power density (∼0.05–0.5W/cm2), and Cl2/BCl3 gas compositions. Rates of ∼12–20 nm/min have been obtained, and are significantly lower than for other chlorinated plasmas. Etching profiles exhibit a high degree of anisotropy and smooth surface morphologies.