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KMID : 0381919970270030235
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Korean Journal of Microscopy
1997 Volume.27 No. 3 p.235 ~ p.241
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Microstructure of Intermixed $Zn_{1-x}Fe_xSe$ Alloys in (ZnSe/FeSe) Superlattices
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Park Kyeong-Soon
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Abstract
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The microstructure of intermixed $Zn_{1-x}Fe_xSe$ layers in the (ZnSe/FeSe) superstrates grown on (00l) GaAs substrates has been investigated by high -resolution transmission electron microscopy and computer simulations of lattice images. Computer image simulations have been performed by the multislice method under various sample thicknesses and defocusing conditions. The simulated lattice images were compared with the experimental lattice images. Also, CuAu-I type ordering was often observed in the intermixed $Zn_{1-x}Fe_xSe$ alloys. This CuAu-I type ordered structure consists of alternating ZnSe and FeSe monolayers along the <100> and <110> directions.
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KEYWORD
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(ZnSe/FeSe) superlattices, Interdiffusion, CuAu-I type ordering, High-resolution transmission electron microscopy, Computer image simulations
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