The Materials Science of Thin Films 2011 Part 10 pps

... Properties of Thin Films 10. 1. INTRODUCTION TO ELECTRICAL PROPERTIES OF THIN FILMS 10. 1 .l. General Considerations Electrical properties of thin films have long been of practical ... capacitance is the product of the two individual (oxide and semiconductor) capacitances divided by their sum.) Note that now the bands bend the other way -the slope o...

Ngày tải lên: 11/08/2014, 20:21

... in the presence of an applied field. logarithm of the rate is plotted on the ordinate and the reciprocal of the absolute temperature is plotted along the abscissa. The slope of the resulting ... continuous state of random motion, which is intimately dependent on the temperature of the gas. During their motion the gas particles collide with each other a...

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... Blakely, Thin Solid Films 25, 363, 1975). 364 Interdiffusion and Reactions in Thin Films the mathematical theories of GB diffusion including discussions of transport in these different ... array of Fig. 7-26a reflects the sixfold symmetry of the (111) plane, and the six fainter spots in between are the result of the (7 x 7) surface reconstruction....

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... Fig. 1-8b. The generalized behavior shown is common for all classes of solid materials, regardless of the type of bonding or crystal structure. Although the mathematical forms of the attractive ... discipline of materials science and engineer- ing. A dramatic increase in our understanding of the fundamental nature of materials throughout much of the twent...

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... view of the MOS field effect transistor structure in Fig. 4-1 indicates the extent to which the technology is employed. Above the plane of the base P-Si wafer, all of the films with the ... formation of stable cluster nuclei. Optimum expansion further requires that the ratio of the vapor pressure in the crucible to that in the vacuum chamber exceed l...

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... 10- ~ -10- ~ 10- * -10- 10- ~ 10- ~ -10- ~ 10- ~ 10 -8 -10 -6 10- 8 -10- 6 3 x 10- 4 10 - 8 -10- 10- 8 10- ~ -10- ~ 10- ~ -10- ~ 10- 8-5 x 10- 6 s x 10- 6 5 x 10- 8 -10- 6 10- ~ -10- ~ SiH,; SiF,-H,; Si(s)-H, ... 313 101 3-1213 313-513 523 523 1213 523-113 413-613 513-113 1213 813 523-1213 613-913 633-613 413-113 613-813 673 10 -8 -10 - 10-...

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... series of post-specimen lenses. The objective lens produces the first image of the object and is, therefore, required to be the most perfect of the lenses. Depending on how the beams reaching the ... time one of the diffracted beams is chosen by means of an aperture that blocks the central beam and the other diffracted beams. The micrograph of alternating...

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... Testing of Films Bulge testing is widely used to determine the mechanical properties of thin films and membranes. In this test the film-substrate assembly is sealed to the end of a hollow ... applied to the surface of a body, they act directly on the surface atoms. The forces are also indirectly transmitted to the internal atoms via the network of bonds that...

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... perpendicular and parallel, to the plane of incidence. Through the use of the Maxwell equations with appropriate interfacial boundary conditions, the amplitudes of the components of the transmitted (&,l, ... concerning optical films are the magnitudes of n and k, the spectral range of transmission, the dependence of properties on film structure a...

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... substrates. The value of K, depends on a number of factors. Most important is the nature of the materials in contact, but the extent and type of lubrication, surface temperature, and nature of the ... wavelengths, depending on whether the refractive index of the film is greater or less than that of the substrate. In the former case the reflectivit...

Ngày tải lên: 11/08/2014, 20:21