The Materials Science of Thin Films 2011 Part 15 ppt
... STM, 312 surface modification, 602 thermodynamics of CVD, 158 Si-Au, amorphous, 605 Si-Bi, 604 Si,N,, 151 conduction, 470-47 1 Sic, 161, 547 CVD, 150 Silicide, Kirkendall effect, ... change? c. Is the tunneling probability enhanced more by decreasing V or increas- ing E by the same amount of energy. 11. predict values of A E, and AE, for the foll...
Ngày tải lên: 11/08/2014, 20:21
... 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...
Ngày tải lên: 11/08/2014, 20:21
... 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 ... requires that the ratio of the vapor pressure in the crucible to that in the vacuum chamber exceed lo4 to 10'. The arrival of ionized clusters with the...
Ngày tải lên: 11/08/2014, 20:21
The Materials Science of Thin Films 2011 Part 12 pptx
... 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
The Materials Science of Thin Films 2011 Part 13 ppt
... regime the temperature of the surface is largely determined by the initial distribution of the energy absorbed from the laser beam. Light penetrates within the material and the thermal ... zigzag motion of ions within the matrix cause them to deviate laterally from the surface entry point. When summed over the huge number of participating ions, these factors...
Ngày tải lên: 11/08/2014, 20:21
The Materials Science of Thin Films 2011 Part 2 ppsx
... 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...
Ngày tải lên: 11/08/2014, 20:21
The Materials Science of Thin Films 2011 Part 5 docx
... estimated in the capillarity theory. The uncertainties are now in i* and E;,. One of the important applications of this theory has been to the subject of epitaxy, where the crystallographic ... of the condensate. Shadowing is a phenomenon arising from the geometric constraint imposed by the roughness of the growing film and the line -of- sight impinge-...
Ngày tải lên: 11/08/2014, 20:21
The Materials Science of Thin Films 2011 Part 6 doc
... 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 ... discussion of the analysis of diffraction effects is well beyond the scope of this book. Some notion of the correlation between structure and diffraction pat...
Ngày tải lên: 11/08/2014, 20:21
The Materials Science of Thin Films 2011 Part 8 pps
... 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....
Ngày tải lên: 11/08/2014, 20:21
The Materials Science of Thin Films 2011 Part 9 pot
... 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...
Ngày tải lên: 11/08/2014, 20:21