Nano Materials

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1 Introduction to Nano-materials “”moqademe”” As part of ECE-758 – Introduction to Nanotechnology 2 Outline ã What is “nano-material” and why we are interested in it? ã Ways lead to the realization of nano-materials ã Optical and electronic properties of nano- materials ã Applications 3 What is “nano-material” ? ã Narrow definition: low dimension semiconductor structures including quantum wells, quantum wires, and quantum dots ã Unlike bulk semiconductor material, artificial
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  1 Introduction to Nano-materials “”moqademe””   As part of ECE-758  – Introductionto Nanotechnology  2 Outline ãWhat is “nano - material” and why we are interested in it? ã Ways lead to the realization of nano-materials ã Optical and electronic properties of nano-materials ã Applications  3 What is “nano - material” ?   ã Narrow definition: low dimension semiconductorstructures including quantum wells, quantumwires, and quantum dots ã Unlike bulk semiconductor material, artificial structure in nanometer scale (from a few nm’s toa few tens of nm’s, 1nm is about 2 mono -layers/lattices) must be introduced in addition to the “naturally” given semiconductor crystalline structure  4 Why we are interested in “nano - material”?   ã Expecting different behavior of electrons in theirtransport (for electronic devices) and correlation(for optoelectronic devices) from conventionalbulk material
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