The Materials Science of Thin Films 2011 Part 4 ppt

... (4- 34a) (4- 34b) Note the use of the perfect gas law and the neglect of the temperature dependence of D. Maintenance of stoichiometry requires that JCd = JTez 9 (4- 35) the factor of ... 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...

Ngày tải lên: 11/08/2014, 20:21

... Mechanical Behavior 40 5 9.3. Internal Stresses and Their Analysis 41 3 9 .4. Stress in Thin Films 42 0 9.5. Relaxation Effects in Stressed Films 43 2 1.5. Thermodynamics of Materials 21 ... discipline of materials science and engineer- ing. A dramatic increase in our understanding of the fundamental nature of materials throughout much of the twe...

Ngày tải lên: 11/08/2014, 20:21

... pm thick) Explain the function of these layers and the overall behavior of the lamp. 1 2. Explain why the thin- film coating consisting of air/SiO( h /4) /Ge( h /4) / opaque Al/glass ... 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,...

Ngày tải lên: 11/08/2014, 20:21

... 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 ... events. Furthermore, the collective damage and zigzag motion of ions within the matrix cause them to deviate laterally from the surface entry point. When summed over the h...

Ngày tải lên: 11/08/2014, 20:21

... Thin Film Device Applications, Plenum Press, New York (1983). 52. Index 701 Residual stress, 41 4 Resist, 630 Resistivity, 45 3 CoSi,, 46 2 four point probe, 45 4 metal film, 45 8 ,45 9 ... Superconducting materials, 48 1 type 1 ,48 2 type 11, 48 2 Superconductivity, 48 0, 48 2, 641 tunneling, 48 3 Superconductor, 641 Superconductor film, thermal cycling,...

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...

Ngày tải lên: 11/08/2014, 20:21

... using the results of Fig. 4- 5. a. What is the physical significance of the slope of this Arrhenius plot? b. Calculate AH for the reaction given by Eq. 4- 22a, using data in Fig. 4- 4. 6. ... 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 ep...

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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...

Ngày tải lên: 11/08/2014, 20:21

... Blakely, Thin Solid Films 25, 363, 1975). 3 64 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 reconstructio...

Ngày tải lên: 11/08/2014, 20:21

... If the normal tensile stress ax = F/A, then the force resolved on these shear planes is F cos 45 = fi /2 F. The area of the shear planes is A /cos 45 = 2/ A. Therefore, the ... forces. After the load is removed, the stresses are expected to vanish. On the other hand, thin films are stressed 9 .4. Stress in Thin Films 42 5 epitaxial films,...

Ngày tải lên: 11/08/2014, 20:21