Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Noninteractional domain

The free energy of a monolayer domain in the coexistence region of a phase transition can be described as a balance between the dipolar electrostatic energy and the line tension between the two phases. Following the development of McConnell [168], a monolayer having n circular noninteracting domains of radius R has a free energy... [Pg.136]

FIGURE 10.17 Schematic representation of the three domains of close approach for sterically stabilized flat plates (a) noninteraction domain, h> L -, (b) interpenetrational domain, h < 2L (c) compressional domain, h < L. ... [Pg.449]

The continuous change of the bromide coverage with potential upon the transition c(.y2 X 2. 2) R45° —> c(. 2 x p)R45 can be approximated by the power law 6 = 0.122 (E - Ecf + 0.50 with p = 0.40 and Ec = 0.375 V. The measured exponent is smaller than the theoretical value p = 0.50 predicted by Pokrovsky and Talapov for the C UIC transition within a model of noninteracting domain walls [70]. The theoretical prediction is only supposed to apply close to the transition, where the domain walls are narrow relative to their separation. The experimental precision does not permit to quantitatively extract the exponent close to the transition, in which the theoretical prediction could be unambiguously tested. At higher incommensurabilities the bromide coverage is not only determined by the proximity to the C/UIC phase transition, but rather by the compressibility of the bromide adlayer, which may explain the deviations in the exponent. The width of the X-ray diffraction (XRD) peaks in the incommensurate direction scale quadratically with the wave vector component in this direction, and increase continuously by an order of magnitude as the C/UIC transition is approached from the UIC side. [Pg.413]

THE DNA BINDING TRANS-ACTIVATION DOMAINS OF MOST REGULATORY PROTEINS ARE SEPARATE NONINTERACTIVE... [Pg.390]

The noninteracting gas corresponds to Kp 1 and density waves or pairing correlations are divergent at low temperature for Kp < 1 and > 1, respectively. The observation of power law dependences for the response functions in an extended domain of temperatures should thus be taken as the signature of one-dimensionality. One-dimensionality is indeed limited at low temperature by the crossover regime toward a physics at higher dimensionality. [Pg.416]

This equation assumes that the functionals F[n] and Ts[n] are defined on the same domain of densities. We thus assume that for a given ground state density of an interacting system there is a noninteracting system with the same density. In other words, we assume that the interacting density is noninteracting-v-representable. If we differentiate equation (51) with respect to the density n we obtain... [Pg.36]

Thus the first section to follow pertains to the synthesis of bulk materials including amorphous and mesoporous oxide supports (chapters 1 ), heteropolyacids (chapter 5), and colloidal metals (chapter 6). The second section covers the synthesis of heterogeneous materials, and has been divided into syntheses in nanoscale domains (chapters 7-10) and those based on two-dimensional metal complex-substrate interactions (chapters 11-14), or a clever way around noninteracting precursors via viscous drying (chapter 15). Effects of drying (chapter 16) and pretreatment (chapter 17) comprise the third section of the book. [Pg.482]

Thermodynamic and theoretical models for hysteresis and kinetics of phase reactions in the Pr and Tb oxide systems have been proposed. In the first study by Knittel et al. (1977) a model based on regular solution theory is developed and applied to hysteresis in the Pr and Tb oxide systems. Maren et al. (1984) modeled the Pr70 2-PrgOi6 hysteretic reaction using a thermodynamic formalism. Models assuming both noninteracting and interacting domains were considered. [Pg.427]

To further confirm the nature of magnetic interactions, the isothermal remanence magnetization (IRM) curve Mr(H) and DC demagnetization (DCD) curve A1d(H), both normalized to the saturation remanence, have been plotted at 20K. From these curves, a Henkel plot has been obtained (Fig. 2l.l0a). In a perfectly noninteracting system of single-domain particles, the slope of the Henkel plot should be —2 and the experimental points would lie on the upper limit of this plot [37], The types of interactions are characterized by means of 8M plots (Fig. 21. lOb) obtained using the following relation ... [Pg.439]

Sanchez et al. presented a computer simulation of the magnetic relaxation of an assembly of nonidentical, noninteracting, single-domain particles with uniaxial anisotropy. They analyzed the dependence of the magnetic viscosity dMIdXnt) on the shape of the energy barrier distribution function, assumed to be lognormal in type. [Pg.379]


See other pages where Noninteractional domain is mentioned: [Pg.146]    [Pg.450]    [Pg.199]    [Pg.199]    [Pg.437]    [Pg.146]    [Pg.450]    [Pg.199]    [Pg.199]    [Pg.437]    [Pg.362]    [Pg.339]    [Pg.390]    [Pg.240]    [Pg.597]    [Pg.497]    [Pg.567]    [Pg.382]    [Pg.270]    [Pg.3045]    [Pg.141]    [Pg.440]    [Pg.274]    [Pg.283]    [Pg.25]    [Pg.26]    [Pg.58]    [Pg.237]    [Pg.381]    [Pg.127]    [Pg.277]    [Pg.1074]    [Pg.172]    [Pg.1115]    [Pg.280]    [Pg.240]    [Pg.361]    [Pg.176]    [Pg.316]    [Pg.477]    [Pg.280]    [Pg.191]    [Pg.227]   
See also in sourсe #XX -- [ Pg.199 ]




SEARCH



Noninteracting/noninteraction

Noninteractions! domain

Noninteractions! domain

© 2024 chempedia.info