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نانو
nano
پيشوندي به معناي يک بيليونم يا (000،000،000،1/1). در متون فناورينانو، معمولا براي مشخص کردن يک واحد اندازهگيري برابر با 10 به توان منفي 9 متر استفاده ميشود.
میکروسکوپ نیروی اتمی
میکروسکوپهای نیروی اتمی (AFM)، دسته گستردهای از تجهیزات شناسایی در مقیاس نانو با عنوان میکروسکوپهای نیرویی را به خود اختصاص دادهاند. امروزه دستگاههای تجاری متفاوتی با مبانی مشابه و حالات کاری مختلف عرضه شدهاند که از نظر دقت و کیفیت تصاویر با یکدیگر تفاوت دارند. در این مقاله ضمن معرفی میکروسکوپ نیروی اتمی و نحوه عملکرد آن، مدهای کاری مختلف و مزایا و معایب هر کدام مورد بررسی قرار می گیرد.
1. مقدمه
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