Yayınlanmış 1 Ocak 2019 | Sürüm v1
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Optimization of Growth Parameters for Molecular Beam Epitaxial Growth of (211)B CdTe Layers on GaAs Substrates

  • 1. ASELSAN MGEO, Ankara, Turkey

Açıklama

Molecular beam epitaxial growth of HgCdTe on alternative substrates such as Si and GaAs has been under research for more than a decade. Since the widely used CdZnTe substrates for the growth of HgCdTe are expensive, produced in limited sizes, brittle and thermally mismatch to Si read out integrated circuits, alternative substrates are in focus. In this paper two growth parameters namely CdTe/Te flux ratio and in & x2423;situ annealing temperature affecting the crystal quality are described. The obtained x-ray diffraction full width at half maximum similar to 95 arcsec and surface roughness (similar to 0.72 nm) values are promising.

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