期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 111, 期 30, 页码 11397-11402出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp072584y
关键词
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Single-crystal cubes of lead telluride (PbTe with NaCl structure) were electrodeposited on polycrystalline gold substrates. Electron and X-ray diffraction patterns and high-resolution TEM confirm that the single-crystal PbTe cubes were grown with their {100} planes parallel to the surface of the gold seed layer. The PbTe cubes might have nucleated on the {100} faces of individual Au grains on the basis of lattice mismatch calculation, followed by the lateral growth of new layers on the nuclei along the << 110 >> directions from the four edges of the PbTe cubes. The enlargement of the PbTe single crystals occurred through lateral growth, which led to the development of relatively large single-crystal cubes on polycrystalline Au seed layers having a smaller grain size.
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