HW1_merged

HW1_merged - NCN www.nanohub.org EE-305: Solid State...

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Alam ECE-305 1 www.nanohub.org NCN EE-305: Solid State Devices Solution Homework # 1 Muhammad Ashraful Alam alam@purdue.edu
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1.1 a)(i) Silicon (ii) GaAs b) crystalline material is uniform throughout while polycrystalline is uniform/crystalline in small section and these section are misaligned. A boundary can be seen in polycrystalline while there is theoretically no boundary in crystalline. c) Unit cell is the smallest building block of a crystal, whose geometric arrangement defines a crystal's characteristic and its repetition in space produces a crystal lattice. d) Simple Cubic 1, BCC---2, FCC---4, Diamond --4
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e) 1A o =10 -10+2 =10 -8 cm f) (a/2)*2=a where a is lattice constant.
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HW1_merged - NCN www.nanohub.org EE-305: Solid State...

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