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KMID : 0381919960260040479
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Korean Journal of Microscopy
1996 Volume.26 No. 4 p.479 ~ p.487
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Computer Simulations of HRTEM Images in GaAs/AlAs/InGaAs Epilayers
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Lee Hwack-Joo
Ryu Hyun
Lee Jae-Duck
Nahm Sahn
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Abstract
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Thin epilayer structures of GaAs/AlAs/InGaAs, grown by Molecular Beam Epitaxy, were investigated by high resolution transmission electron microscopy, Image in the [110] zone axis was taken and compared with the calculated images. The supercell structure which contains GaAs, AlAs and InGaAs layers was designed and was employed in the image calculation with MacTempas computer program. Good agreement was shown between experimental image and a set of calculated images with varying defocus and sample thickness.
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KEYWORD
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MacTempas
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