کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8160891 1525113 2018 17 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Robust weak anti-localisation effect in strongly textured nanocrystalline Bi2Se3 samples
ترجمه فارسی عنوان
اثرات ضد موضع ضعیف مقاوم در نمونه های بیومسئید نانوبلوری قوی بافتی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
چکیده انگلیسی
Topological insulators are a quantum state of matter that has recently created a great interest among the scientific community, with Bi2Se3 being one of the most extensively studied materials. Here, we demonstrate that polycrystalline nanostructured samples of Bi2Se3 preserve the existence of topological surface states, where electrons cannot be localised. The nanosheet crystals were synthesised by a microwave-assisted method and their structure, composition and morphology thoroughly characterised. The transport properties of a textured polycrystalline sample with strong preferred orientation along the c-axis were measured, showing the presence of the weak anti-localisation effect and Shubnikov-de Haas oscillations. These features are robust against the presence of non-magnetic impurities and structural defects.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 536, 1 May 2018, Pages 51-55
نویسندگان
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