Smart Electronic Materials: Fundamentals and Applications by Jasprit Singh

By Jasprit Singh

Clever fabrics reply swiftly to exterior stimuli to change their actual houses. they're utilized in units which are using advances in smooth info expertise and feature purposes in electronics, optoelectronics, sensors, stories and different parts. This publication absolutely explains the actual houses of those fabrics, together with semiconductors, dielectrics, ferroelectrics, ferromagnetics and natural polymers. primary techniques are continuously attached to their real-world functions. It covers structural concerns, digital houses, shipping homes, polarization-related homes and magnetic homes of quite a lot of shrewdpermanent fabrics. The publication includes rigorously selected labored examples to show vital thoughts and has many end-of-chapter difficulties. it truly is written for first 12 months graduate scholars in electric engineering, fabrics technological know-how or utilized physics courses. it's also a useful ebook for engineers operating in or learn laboratories. an answer handbook and a suite of valuable viewgraphs also are on hand for teachers.

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0 fim. How many atoms are in the grain, assuming that the grain is a cube? 0 /im. If a 2 /j,m x2 //m diode is fabricated on the film, what is the probability that the device has high performance? Assume that the grain size is square on the surface. 18 When a polycrystalline film is heat treated (annealed), the grain size usually increases. Comment on why this occurs. 19 Using symmetry arguments and energy minimization arguments, discuss why in a nematic crystal, it is not possible to achieve a 270° twist.

26 (1988). N. Economou, Green's Functions in Quantum Physics, Springer Verlag, Berlin (1979). F. C. Slater, Phys. , 96, 1208 (1954). F. Matare, Defect Electronics in Semiconductors, Wiley-Interscience, New York (1971). — S. Pantelides, Rev. Mod. , 50, 797 (1978). 38 Structural properties • Dislocations and lattice mismatched epitaxy — S. Amelinckx, Dislocations in Solids, ed. N. Nabarro, North-Holland, New York (1988). H. van der Merwe, Dislocations in Solids, ed. N. Nabarro, North-Holland, New York, vol.

An important point defect in compound semiconductors such as GaAs is the anti-site defect in which one of the atoms, say Ga, sits on the arsenic sublattice instead of the Ga sublattice. Such defects (denoted by GaAs) can be a source of reduced device performance. Other point defects are interstitials in which an atom is sitting in a site that is in between the lattice points as shown in Fig. 17, and impurity atoms which involve a wrong chemical species in the lattice. In some cases the defect may involve several sites forming a defect complex.

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