Plasma frequency tables

In the previous example, we have calculated the plasma frequency for metallic Na from the free electron density N. In Table 4.1, the measnred cutoff wavelengths, Xp, for different alkali metals are listed together with their free electron densities. The relatively good agreement between the experimental values of Xp and those calculated from Equation (4.20), within the ideal metal model, should be noted. It can also be observed that the N values range from abont 10 to about 10 cm leading to... 

Table 9.2 Plasma Frequencies and Corresponding Wavelengths for a Range of Free-Electron Densities...

Plasma frequencies and the corresponding wavelengths for a range of free-electron densities are given in Table 9.2 the plasma effects mentioned in this section are noted beside the wavelengths (electron-hole droplets will be discussed in Chapter 12). 

In Tables XVII-XIX we present the fitted/calculated parameters of our model for ions plasma frequency 0), static ionic conductivity a, fitted parameters... 

The Drude parameters in Table 4 have been derived by fitting the reflectance spectra with the Drude-like dielectric constant, Eq. (33). It has been stressed by Jacobsen [98] and Yamaji [68b] that in the limit of highly anisotropic one-dimensional conductors the ratio of transfer integrals is not proportional to the ratio of plasma frequencies but to its square instead. 

Table 4. Plasma frequencies determined from reflectivity data for Cs and some suboxides. (63) In the case of the cluster compounds CS7O and CS11O3 the agreement between experimental (no) and expected numbers of free electrons (nc) is convincing. A large deviation is found for CS3O . The small value of no most probably reflects an enrichment of Cs at the phase boundary between the sample and the glass...

Table 9.4 Materials parameters obtained from the optical reflection spectra of the (Fa)2PFg crystal (28). cop is the unshielded plasma frequency, r the mean scattering time, Coo the background dielectric constant, oq the optical conductivity for oi— O, m pf the effective mass of the charge carriers, vp the Fermi velocity, and Ep the Fermi energy.

TABLE 15.4 Free Electron Plasma Frequency fip and Scattering Time r vs. Temperature for Selected PAN-CSA Film Samples... 

Since the free electron plasma frequency ftp scales with the scattering time is estimated as t 10 s for samples A, C, and D (Table 15.4), assuming that only the free electrons participate in the low frequency transport. This estimate of the free electron scattering time is in good agreement with the... 

TABLE 15.6 Room Temperature Free Electron Plasma Frequency cOp and Scattering Time t for Selected PAN-CSA Samples Calculated from mw and ctmw Using the Drude Model... 

TABLE 46.5. Typical low frequency plasma frequency and relaxation time obtained from microwave frequency measurements of very highly conducting polymers. 

Table 2 contains a number of additions to SIU that would facilitate the visualization of processes represented by equations (Freeman, 1987f). An example of how the units proposed in Table 2 can correct common errors is the following. Plasma frequency is commonly reported to be (Feynman et al., 1964)... 

FIG. 17. (a) The relative pressures (i.e.. the ratio of the partial pressure to the total pressure) of Ht. SiHa, and SiiHg, and (b) the deposition rate, as a function of total pressure at an RF frequency of 50 MHz and a plasma power of 5 W. Other discharge settings are given in Table IV. Modeling results are in dotted lines and open symbols, experimental data in solid lines and filled symbols. Note the sudden increase at 30 Pa. i.e.. the transition from the a- to the / -regime. (Compiled from G. J. Nienhuis, Ph.D. Thesis. Universiteit Utrecht. Utrecht, the Netherlands. 1998.)... 

Von Willebrand factor (VWF) is a large multimeric glycoprotein with two main functions in hemostasis to aid the platelet adhesion to injured blood vessel walls and to carry and stabilize factor VIII in plasma. Table 64—4 represents three main vWD phenotypes, their frequency, and genetic transmission.17... 

The chemical and petrographic properties of the twenty coals used in the hydrogenation experiments are shown in Tables II and III. Mineral matter was determined directly using a radio frequency low temperature plasma asher at medium power rating for approximately 48 h per coal. The volatile matter was corrected for the effects of the mineral matter by applying the equation used by Given et al (5). 

The LHeT frequencies of the H-related ir lines observed in doped GaAs and InP neutralized in a H plasma have been collected in Table II with their attribution when existing. 

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