عنوان
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New Horizon in Quasicrystals1
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نوع پژوهش
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مقاله چاپشده در مجلات علمی
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کلیدواژهها
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surface science,quasicrystal, crystallography,phonons
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چکیده
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—Quasicrystals (QCs) are aperiodic intermetallic alloys that possess a long range positional orderQuasicrystals (QCs) are aperiodic intermetallic alloys that possess a long range positional order. They often exhibit crystallographically forbidden symmetries, most commonly fivefold and tenfold. The forbidden symmetry is related to the fact that the atoms are arranged quasiperiodically. Quasiperiodic translational order has physical consequences. For example, since electrons and phonons in quasicrystals do not encounter a periodic potential, quasicrystals have unusual resistive and elastic properties, and these have been exploited in several applications. The purpose of this introduction is to present certain properties that are relevant to the surface science of quasicrystals, as a launching point for the other articles in this special issue of progress in surface science.
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پژوهشگران
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فریدون سموات (نفر اول)، مریم کیانی (نفر دوم)
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