Dielectric Relaxation and Dynamics of Polar Molecules

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Format: Hardcover
Pub. Date: 1999-05-01
Publisher(s): World Scientific Pub Co Inc
List Price: $118.65

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Table of Contents

List of Symbols
xv
Part One INTRODUCTION TO THE DIELECTRIC SPECTROSCOPY 1(72)
1 Basic Terms, Processes and Models
3(34)
1.1 Displacement and polarization vectors for a constant external field
5(1)
1.2 Relative complex permittivity and susceptibility
6(3)
1.3 Complex refractive index and absorption coefficient
9(3)
1.4 Debye model of rotational diffusion
12(7)
1.5 About the dynamic method
19(11)
1.6 Classification of semi-microscopic molecular models
30(7)
2 Rotational and Dielectric Spectra
37(36)
2.1 Gaseous and gas-like states
37(9)
2.2 Diluted solutions
46(1)
2.3 Individual nonassociated liquids
47(5)
2.4 H-bonded network
52(7)
2.5 Water bounded by a macromolecule
59(7)
2.6 Aqueous solutions
66(7)
Part Two THE DYNAMIC METHOD 73(150)
3 Basic Equations and Theorems
75(42)
3.1 Maxwell's equations and wave equation for a plane electromagnetic wave
75(2)
3.2 The t(O) theorem
77(5)
3.3 The average perturbation (AP) theorem
82(5)
3.4 Rotation of a polar molecule in an axisymmetric potential
87(20)
3.5 Libration of a polar molecule in a parabolic potential well
107(10)
4 Relation of Susceptibility to Complex Power
117(12)
4.1 The dispersion equation
117(4)
4.2 The steady state and induced distributions
121(1)
4.3 The effective susceptibility
122(2)
4.4 Susceptibility / permittivity relation for the case of isotropy
124(5)
5 The Spectral Function
129(54)
5.1 Representation in terms of perturbed motion of a dipole in radiation field
129(3)
5.2 Representation in terms of undamped motion for thermal equilibrium
132(7)
5.3 Relation to the direction of alternating external field
139(3)
5.4 The spectral functions in the case of an isotropic medium
142(5)
5.5 Fourier series for the spectral function: planar motion
147(8)
5.6 Fourier series for the spectral function: motion in space
155(14)
5.7 Integrated absorption
169(6)
5.8 The Kramers-Kronig rule
175(1)
5.9 Landau damping in polar medium
176(7)
6 Collision Models
183(40)
6.1 The effective susceptibility at an arbitrary non-equilibrium induced distribution F
183(3)
6.2 The Boltzmann induced distribution F(B)
186(1)
6.3 The Debye induced distribution F(D)
186(1)
6.4 The self-consistent induced distributions F(G), F(K), F(T)
187(5)
6.5 The spectral function K(Z). The summary table for the susceptibility
192(2)
6.6 The low-frequency approximation
194(10)
6.7 The resonance phenomena (The Poley absorption region)
204(6)
6.8 The extension of the theory to multicomponent media
210(5)
6.9 Models of collisions for an isotropic medium (continuation)
215(4)
Addendum I About the Evolution of the Dynamic Method
219(4)
Part Three MODELS OF FREE ROTATION / LIBRATION 223(136)
7 The Extended Rotational Diffusion (ED) Model of Symmetric Top Molecules
225(30)
7.1 Ensemble of linear molecules
225(14)
7.2 Ensemble of symmetric top molecules
239(16)
8 The Confined Rotator (CR) Models
255(50)
8.1 The planar CR model
255(9)
8.2 The simplified spatial CR model
264(2)
8.3 Dielectric spectra of an isotropic medium for the DWP configuration
266(4)
8.4 The peak absorption and Debye relaxation time as functions of the lifetime
270(9)
8.5 The cone confined rotator (CCR) model
279(25)
8.6 The cone confined rotator model with a single potential well: dielectric behavior
304(1)
9 The Hybrid Confined Rotator / Extended Diffusion Model (HM)
305(54)
9.1 The mean molecular parameters at equilibrium
308(9)
9.2 The spectral functions K(z) and L(z)
317(3)
9.3 Evolution of dielectric spectra with the rise of the rectangular potential
320(6)
9.4 The hybrid model 2 (HM2)
326(33)
Part Four FIELD MODELS 359(136)
10 The Elastic Bond (EB) Approximation
363(18)
10.1 The spectral function of the planar ensemble
364(1)
10.2 The spectral function of the spatial ensemble
365(4)
10.3 The complex susceptibility of linear molecules subjected to the influence of the parabolic potential
369(7)
10.4 The Poley absorption
376(1)
10.5 The loss frequency dependence for the single well potential
377(1)
10.6 The loss frequency dependence for the double well potential
378(3)
11 The Constant Field (CF) Model
381(50)
11.1 The steady state law of motion
381(7)
11.2 Distribution functions
388(8)
11.3 The field dependence of the steady state parameters
396(11)
11.4 Rigorous expressions for the spectral functions
407(8)
11.5 The quasi-harmonic approximation (QHA)
415(3)
11.6 Dielectric behavior
418(10)
11.7 The stratified approximation
428(3)
12 The Cosine Squared (CS) Model
431(34)
12.1 The law of motion
431(5)
12.2 The steady state
436(10)
12.3 The spectral function: rigorous theory
446(5)
12.4 The Spectral Function: the quasi-harmonic approximation
451(2)
12.5 Limiting lines
453(2)
12.6 Influence of the field parameter on dielectric spectra
455(7)
12.7 The stratified approximation
462(3)
13 The Hat Model (HM)
465(30)
13.1 The law of motion
467(1)
13.2 The steady-state distribution W = C exp(-h)
467(2)
13.3 Fourier amplitudes of librating molecules
469(2)
13.4 The spectral function of librators
471(7)
13.5 The spectral function of free rotating molecules
478(2)
13.6 The effect of the potential well steepness on loss / absorption spectra
480(1)
13.7 Statistical parameters
480(6)
13.8 The curved-brim hat model
486(9)
Part Five APPLICATIONS OF THE THEORY 495(124)
14 Individual Nonassociated Polar Liquids
497(34)
14.1 Liquid fluoromethane CH(3)F
498(5)
14.2 The rotational cell model (RCM)
503(5)
14.3 Liquid trifluoromethane CHF(3)
508(2)
14.4 Prediction of the critical temperature
510(2)
14.5 Molecular interpretation of the (XXX)rotational(XXX) lifetime (Tan) in the light of the Debye rotational diffusion theory
512(2)
14.6 Relation of the potential welldepth to dielectric spectra
514(1)
14.7 The Polarizability A"(Nu) Spectra
515(3)
14.8 Distortion of the Cole-Cole diagram due to micro heterogeneity
518(8)
14.9 Isotropic potential and the self-diffusion coefficient
526(5)
15 Liquid Water and Aqueous Systems
531(58)
15.1 Liquid water
531(22)
15.2 Electrolytes in aqueous solution
553(14)
15.3 Water in a bound state
567(14)
15.4 Nonelectrolyte in aqueous solution
581(8)
16 Quantum Effects in Polar Gases and Gas-like Liquids
589(30)
16.1 The quasi-classical approach
589(4)
16.2 Resonance phenomena in biatomic gases
593(9)
16.3 Classical theory of collisions
602(10)
16.4 Gas-like liquids
612(7)
The Afterword 619(4)
Addendum II. On the Evolution of Molecular Models of Orientational Relaxation 623(4)
References 627(6)
Subject Index 633

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