Composition and thickness control of CdxHg1-xTe layers grown by open tube isothermal vapour phase epitaxy
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Lowered Hg pressure due to the Hg loss out of the growth chamber strongly influences the properties of CdxHg1-xTe layers grown by open tube isothermal vapour phase epitaxy (ISO VPE). Conventional LPE slider systems are usually too leaky to growth low x-value (0.3-0.2) with proper thickness ( ≈ 20 μm). We developed a new semiclosed ISO VPE system which practically eliminated Hg loss. Layers of any desired x-value with thickness from 1 up to 100 μm were grown. Methods of layer thickness and composition control are proposed.
Izvor:Journal of Crystal Growth, 1987, 83, 1, 122-126
- Elsevier BV