کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1791015 1524457 2013 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Growth of single-crystalline bismuth antimony telluride nanoplates on the surface of nanoparticle thin films
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Growth of single-crystalline bismuth antimony telluride nanoplates on the surface of nanoparticle thin films
چکیده انگلیسی


• Single crystal BiTeSb nanoplates were grown on surface of nanoparticle thin films.
• BiTeSb nanoplates size was of length 0.5–1 μm and thickness less than 100 nm.
• BiTeSb nanoparticles in thin films were composed of polycrystalline.
• Growth mechanism of nanoplates was explained by evaporation of nanoparticles.

We have reported the growth of single-crystalline bismuth antimony telluride nanoplates on the surface of nanoparticle thin films using a simple sintering process. We prepared two types of bismuth antimony telluride thin films, one comprising nanoparticles and the other submicron particles. The nanoplates were found to grow only on thin films comprising nanoparticles. The structure, composition, and morphology of nanoplates were investigated by using X-ray diffractometry, scanning electron microscopy, transmission electron microscopy, and energy-dispersive X-ray analysis. The obtained nanoplates were of length 0.5–1 μm and thickness less than 100 nm. The atomic composition of the nanoplates was almost the same as that of the nanoparticles in the thin films. The nanoplates were found to be single crystalline, while the nanoparticles in the thin films were polycrystalline in nature. The growth of nanoplates on the surface of the thin films was due to the partial melting and evaporation of nanoparticles during the sintering process. As a result, the evaporated materials formed nuclei on the surface of the films, which then crystallized to form nanoplates.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 372, 1 June 2013, Pages 199–204
نویسندگان
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