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A material with one dimension in Nano range and the other two dimensions are large is called ___________

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A material with one dimension in Nano range and the other two dimensions are large is called ___________

(a) Micro-material

(b) Quantum wire

(c) Quantum well

(d) Quantum dot

I got this question during a job interview.

Origin of the question is Nanoscience and Nanotechnology topic in section Nanomaterials of Engineering Physics II

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The correct answer is (c) Quantum well

The explanation: Such a material with one dimension in Nano range and other two large is called quantum well. A material with two of the three dimensions in the nano range and third large is called quantum wire. When all the dimensions are in nano range, it is called quantum dot.

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