Diffuse Scattering of X-Rays and Neutrons by Fluctuations

Diffuse Scattering of X-Rays and Neutrons by Fluctuations
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X 射线和中子因涨落而产生的漫散射

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发表时间:
1996
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影响因子:
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通讯作者:
M. A. Krivoglaz
M. A. Krivoglaz
中科院分区:
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文献类型:
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作者:
M. A. Krivoglaz

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1.组成和有序参数的涨落波.-1.1固溶体中的有序和涨落.-1.2未扭曲晶体中浓度和长程有序参数的涨落的热力学理论.-1.2.1浓度涨落.-1.2.2单组分溶液中长程有序参数的涨落.-1.2.3长程有序参数和固溶体中浓度的涨落.-1.3固溶体中涨落波的微观半唯象理论.-1.4固溶体中有序参数的涨落.-1.5成分涨落波引起的静态位移,有序和相关参数。-1.5.1长波极限情况。-1.5.2浓溶液中静态位移的波动波。-2.长程力对晶体中涨落和非均相态产生的影响。-2.1弹性相互作用引起的影响。-2.1.1弹性相互作用对晶体中浓度和有序参数涨落的影响。-2.1.2弹性相互作用对两相体系中第二相粒子形状和亚稳定非均质结构的影响。-2.2偶极-偶极效应极化涨落的相互作用。-2.3带电缺陷浓度的涨落。-2.4长程力对金属合金中涨落波的影响。-2.5具有长程力的平衡多相态。-2.5.1大参数晶体结构。-2.5.2金属系统中的非均质态。-2.5.3半导体系统中的非均质态。-3.X射线和中子在固溶体和单组分有序晶体中的扩散散射。-3.1运动学理论中的扩散散射强度。-3.2扩散散射。固溶体:一般分析。-3.3未扭曲固溶体中的弥散散射。-3.3.1均匀溶液的散射,相关参数的确定,有序能和费米表面直径。-3.3.2非均匀溶液的散射。-3.4扭曲固溶体中的扩散散射。-3.4.1由浓度波动引起的散射。-3.4.2相关参数的波动引起的扩散散射。-3.5用扩散散射的衍射技术分析固溶体。-3.5.1相关参数。-3.5.2溶液的有序能和热力学性质。-3.5.3扩散过程动力学的衍射研究。-3.5.4合金中的费米面。-3.5.5合金中短程有序的分析。-3.6长程有序涨落的扩散散射。-3.6.1单组分晶体。-3.6.2固溶体。-3.6.3本征铁电体。-3.6.4无公度结构。-3.7带电缺陷或杂质离子晶体的扩散散射。-4.二级相变和临界点附近的反常散射。-4.1二级相变和临界点附近的热力学参数和波动波。-4.1.1朗道理论。-4.1.2波动范围。-4.2完美晶体中临界涨落引起的弥散散射…-4.3位错对二级相变和反常散射的影响。-4.3.1位错晶体中的相变。-4.3.2由位错在二级相变附近产生的长程有序不均匀散射。-附录:显微镜理论中傅立叶分量均方的计算。-参考文献。
1. Fluctuation Waves of the Composition and Order Parameters.- 1.1 Order in Solid Solutions and Fluctuations.- 1.2 Thermodynamic Theory for Fluctuation Waves of Concentration and Long-Range Order Parameters in Undistorted Crystals.- 1.2.1 Concentration Fluctuations.- 1.2.2 Fluctuations of Long-Range Order Parameters in One-Component Solutions.- 1.2.3 Fluctuations of Long-Range Order Parameters and Concentration in Solid Solutions.- 1.3 Microscopic Semiphenomenological Theory of Fluctuation Waves in Solid Solutions.- 1.4 Fluctuations of the Order Parameters in Solid Solutions.- 1.5 Static Displacements Caused by Fluctuation Waves of Composition, Order and Correlation Parameters.- 1.5.1 Long-Wavelength Limiting Case.- 1.5.2 Fluctuation Waves of Static Displacements in Concentrated Solutions.- 2. Effects of Long-Range Forces on Fluctuations in Crystals and the Production of Heterogeneous States.- 2.1 Effects Caused by Elastic Interaction.- 2.1.1 Effect of the Elastic Interaction on Fluctuations of Concentration and Order Parameters in Crystals.- 2.1.2 Effect of Elastic Interaction on the Shape of Second-Phase Particles and Metastable Heterogeneous Structures in Two-Phase Systems.- 2.2 Effects of Dipole-Dipole Interaction on Polarization Fluctuations.- 2.3 Fluctuations of the Charged Defect Concentration.- 2.4 Effects of Long-Range Forces on Fluctuation Waves in Metal Alloys.- 2.5 Equilibrium Heterogeneous States with Long-Range Forces.- 2.5.1 Crystal Structures with Large Parameters.- 2.5.2 Heterogenenous States in Metal Systems.- 2.5.3 Heterogeneous States in Semiconductor Systems.- 3. Diffuse Scattering of X-Rays and Neutrons in Solid Solutions and One-Component Ordered Crystals.- 3.1 Diffuse Scattering Intensity in Kinematieal Theory.- 3.2 Diffuse Scattering by Solid Solutions: General Analysis.- 3.3 Diffuse Scattering in Undistorted Solid Solutions.- 3.3.1 Scattering by Homogeneous Solutions, Determination of the Correlation Parameters, Ordering Energies and the Fermi Surface Diameters.- 3.3.2 Scattering by Inhomogeneous Solutions.- 3.4 Diffuse Scattering in Distorted Solid Solutions.- 3.4.1 Scattering Caused by Concentration Fluctuations.- 3.4.2 Diffuse Scattering by Fluctuations of the Correlation Parameters.- 3.5 Analysis of Solid Solutions with Diffraction Techniques Employing Diffuse Scattering.- 3.5.1 Correlation Parameters.- 3.5.2 Ordering Energies and Thermodynamic Properties of a Solution.- 3.5.3 Diffraction Studies of the Kinetics of Diffusion Processes.- 3.5.4 Diffraction Studies of the Fermi Surface in Alloys.- 3.5.5 Analysis of Short-Range Order in Alloys.- 3.6 Diffuse Scattering by Long-Range Order Fluctuations.- 3.6.1 One-Component Crystals.- 3.6.2 Solid Solutions.- 3.6.3 Intrinsic Ferroelectrics.- 3.6.4 Incommensurate Structures.- 3.7 Diffuse Scattering by Ionic Crystals with Charged Defects or Impurities.- 4. Anomalous Scattering Near Second-Order Phase Transitions and Critical Points.- 4.1 Thermodynamic Parameters and Fluctuation Waves Near Second-Order Phase Transitions and Critical Points.- 4.1.1 Landau Theory.- 4.1.2 Fluctuation Range.- 4.2 Diffuse Scattering by Critical Fluctuations in Perfect Crystals...- 4.3 Effects Produced by Dislocations on Second-Order Phase Transitions and Anomalous Scattering.- 4.3.1 Phase Transitions in Crystals with Dislocations.- 4.3.2 Scattering by Long-Range Order Inhomogeneities Produced by Dislocations Near a Second-Order Phase Transition.- Appendix: Calculation of the Mean Squares of the Fourier Components in the Microscopy Theory.- References.