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Underneath the Bragg Peaks 2e
Structural Analysis of Complex Materials
By: Simon Billinge, Takeshi Egami
Hardcover | 22 November 2012 | Edition Number 2
At a Glance
422 Pages
Revised
24.13 x 15.24 x 3.81
Hardcover
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Underneath the Bragg Peaks: Structural Analysis of Complex Materials focuses on the structural determination of crystalline solids with extensive disorder. Well-established methods exist for characterizing the structure of fully crystalline solids or fully disordered materials such as liquids and glasses, but there is a dearth of techniques for the cases in-between, crystalline solids with internal atomic and nanometer scale disorder. Egami and Billinge discuss how to fill the gap using modern tools of structural characterization. This problem is encountered in the structural characterization of a surprisingly wide range of complex materials of interest to modern technology and is becoming increasingly important.
Takeshi Egami received the 2003 Eugene Bertram Warren Diffraction Physics Award for the work described in the book.
The authors received 2010 J. D. Hanawalt Award from the International Union of Crystallography largely based on the success of this book.
- Introduces a unique method to study the atomic structure of nanomaterials
- Lays out the basic theory and methods of this important emerging technique
- The first edition is considered the seminal text on the subject
Industry Reviews
| Preface | p. xi |
| Preface to the first edition | p. xvii |
| Structure of Complex Materials | p. 1 |
| Crystallography and Beyond | p. 1 |
| Complexity at the Atomic and Molecular Level | p. 1 |
| Local View of the Structure | p. 3 |
| Shadow of Bragg's Law: Why Knowing the Crystal Structure Is Not Sufficient | p. 6 |
| The Methods of Local Crystallography | p. 7 |
| Real and Reciprocal Space | p. 10 |
| The Power of Total Scattering and PDF Methods | p. 11 |
| The Difference Between the Local and Average Structures: Alloys | p. 11 |
| Short- Versus Long-Range Correlations: Molecular Solids | p. 12 |
| Relevance to the Properties I: Bulk Nanostructured Thermoelectrics | p. 14 |
| Relevance to the Properties II: CMR Manganites | p. 15 |
| Dynamical Disorder and Symmetry Lowering in Silica | p. 17 |
| Chemical Short-Range Order: ß-Na3BiO4 | p. 20 |
| Resources for Learning Total Scattering and PDF Methods | p. 23 |
| References | p. 24 |
| Crystallographic Analysis of Complex Materials | p. 27 |
| Theoretical Background | p. 27 |
| Scattering Intensity | p. 27 |
| Sample Scattering Amplitude | p. 30 |
| DW Approximation | p. 34 |
| Diffuse Scattering | p. 35 |
| Crystallographic Analysis | p. 39 |
| Rietveld Refinement Method | p. 39 |
| Single Crystal Fourier (Patterson) Analysis | p. 41 |
| Crystallographic Methods and Disorder: Limitations of Crystallographic Methods | p. 42 |
| DW Factor | p. 43 |
| Values of Refined Parameters I: Imperfect Models | p. 45 |
| Values of Refined Parameters II: Correlated Parameters | p. 46 |
| Values of Rietveld Refined DW Factors: Caveat Emptor | p. 47 |
| References | p. 52 |
| The Method of Total Scattering and Atomic Pair Distribution Function Analysis | p. 55 |
| Total Scattering and the PDF | p. 56 |
| Introduction | p. 56 |
| The PDF as the Fourier Transform of the Scattered Intensity | p. 57 |
| The PDF and All Its Friends and Relations | p. 69 |
| Brief History | p. 73 |
| Multicomponent Systems | p. 77 |
| Compositionally Resolved Partial PDF | p. 80 |
| Differential PDF | p. 80 |
| Anomalous X-Ray Scattering | p. 81 |
| Isotopic Substitution | p. 83 |
| Joint Total and Differential PDF Studies | p. 86 |
| Magnetic Correlation Functions | p. 86 |
| Magnetic Scattering of Neutrons | p. 86 |
| Magnetic PDF | p. 87 |
| The PDF in Higher Dimensions | p. 89 |
| PDF Defined in Three Dimensions | p. 89 |
| Anisotropic PDF | p. 90 |
| One-Dimensional PDF and Layer-Layer Correlations | p. 91 |
| Two-Dimensional PDF and Intralayer Correlation | p. 92 |
| Three-Dimensional PDF and the Powder PDF | p. 95 |
| Error Analysis for the PDF | p. 95 |
| Error Diagnostics | p. 95 |
| Termination and Normalization Errors | p. 96 |
| Statistical Errors | p. 97 |
| Effect of Q-Resolution | p. 98 |
| Effect of Other Systematic Errors | p. 99 |
| Remedies of Errors | p. 100 |
| Information Content in the PDF and the Nyquist-Shannon Sampling Theorem | p. 100 |
| References | p. 109 |
| Total Scattering Experiments | p. 113 |
| General Considerations | p. 113 |
| Monochromatic Versus Polychromatic (Energy-Dispersive) Diffraction Methods | p. 113 |
| Single Crystal and Powder Diffraction Methods | p. 114 |
| Accuracy of the Measurement | p. 114 |
| The Neutron Scattering Experiment | p. 116 |
| Sources | p. 116 |
| Diffractometer | p. 117 |
| Neutron Detection | p. 127 |
| Beam Monitor | p. 128 |
| Measurement Geometry | p. 130 |
| The X-ray Scattering Experiment | p. 131 |
| Sources | p. 131 |
| Diffractometer | p. 133 |
| X-ray Detection | p. 139 |
| Beam Monitor | p. 142 |
| Measurement Geometry and Sample Issues | p. 142 |
| Energy-Dispersive X-ray Diffraction Measurements | p. 144 |
| The Electron PDF Experiment | p. 144 |
| References | p. 156 |
| Data Collection Analysis | p. 159 |
| Introduction | p. 160 |
| Data Analysis Overview | p. 163 |
| Quantitatively Reliable PDFs Using Ad Hoc Data Corrections | p. 165 |
| Obtaining S(Q) in Practice | p. 169 |
| Elastic, Inelastic, Coherent, and Incoherent Scattering | p. 169 |
| Real-Time PDFs | p. 170 |
| Detector Dark Counts and Dead-time Corrections | p. 171 |
| Propagating Random Errors | p. 173 |
| Flux Normalization | p. 175 |
| Absorption and Multiple-Scattering Corrections | p. 176 |
| X-Ray-Specific Corrections | p. 180 |
| Time-of-Flight Neutron-Specific Corrections | p. 193 |
| Electron-Specific Data Corrections | p. 201 |
| Combining Datasets | p. 204 |
| Terminating Data | p. 206 |
| Fourier Transforming the Data | p. 208 |
| Instrument Resolution Function | p. 209 |
| Real-World Data Analysis | p. 210 |
| Data Analysis Programs | p. 210 |
| Correction of Large Hydrogen Backgrounds in tof Neutron Measurements | p. 211 |
| Statistical Uncertainties on PDFs | p. 213 |
| References | p. 255 |
| Extracting Structural Information from the PDF | p. 259 |
| Introduction | p. 259 |
| Direct Information | p. 260 |
| The PDF from a Structure | p. 260 |
| Direct Information from the PDF | p. 261 |
| Examples | p. 262 |
| Modeling the PDF | p. 269 |
| Small Box Modeling | p. 271 |
| Big Box Modeling | p. 276 |
| Complex Modeling | p. 280 |
| Ab Initio Nanostructure Solution from PDF Data | p. 289 |
| References | p. 293 |
| Dynamics of the Local Structure | p. 297 |
| Measurement of Inelastic Scattering | p. 297 |
| Neutron Triple-Axis-Spectrometer | p. 298 |
| IXS Measurement | p. 299 |
| Chopper Spectrometer | p. 301 |
| Dynamic Structure Factor | p. 303 |
| Single-Phonon Scattering | p. 303 |
| Multi-Phonon Process | p. 306 |
| Correlated Dynamics and the PDF | p. 308 |
| Dynamic Pair-Density Function | p. 310 |
| Effect of Inelastic Scattering on the PDF | p. 314 |
| Placzek Correction | p. 314 |
| Effective Energy Window for the Neutron PDF Method | p. 319 |
| Phonon Dispersion and the PDF | p. 319 |
| Hybrid Techniques | p. 320 |
| References | p. 323 |
| Local Structure of Well-Ordered Crystals and Systems with Competing Interactions | p. 325 |
| Structure of Weil-Ordered Crystals | p. 326 |
| PDF of Ideal and Distorted Perovskites | p. 326 |
| Complex Periodic Structure: AFE lead Zirconate | p. 333 |
| Negative Thermal Expansion Materials | p. 338 |
| Quasicrystals | p. 342 |
| Competing Interactions in Complex Oxides | p. 343 |
| PZT, Pb(Zr1-xTix)O3 | p. 345 |
| Relaxor FE PMN, Pb(Mg1/3Nb2/3)O3 | p. 347 |
| Charge Ordering, Nanophase Separation, and Colossal Magnetoresistance in the Manganites | p. 349 |
| Local Correlations and Phase Transitions | p. 351 |
| Phase Transitions in Complex Materials | p. 354 |
| Phase Transitions in Systems with Competing Interactions I: Relaxor Ferroelectricity | p. 357 |
| Mechanism of Relaxor Ferroelectricity | p. 359 |
| Phase Transition in Systems with Competing Interaction: Lithium-Nickelate | p. 363 |
| Hidden Phase Transition and Local Structure in LiNiO2 | p. 364 |
| Domain Formation in LiNiO2 | p. 364 |
| References | p. 366 |
| Defects in Crystals and Crystallographically Challenged Materials | p. 371 |
| Introduction | p. 372 |
| Defective Crystals | p. 374 |
| Nanocluster-Enhanced Thermoelectricity in Lead Tellurides | p. 374 |
| A Novel Nanostructure in Gamma Alumina | p. 375 |
| Oxygen ion conductors | p. 377 |
| Intermediate Range Order in Cerium Oxides | p. 378 |
| Defects in Catalytic Support Cerium Oxide, CeO2 | p. 380 |
| Carbon Nanostructures | p. 386 |
| Earth Science: The Strange Case of Ferrihydrite | p. 393 |
| Earth Science: Biotic Manganese Oxides | p. 394 |
| Structural Response to Metal-Insulator and Magnetic Transitions: Culr2S4 | p. 396 |
| Chemical Short-Range Order | p. 397 |
| In Situ and In Operando Studies | p. 399 |
| In Situ RAPDF Studies of Chemical Reactions Under Flow | p. 399 |
| PDF of an Operating Fuel Cell In Operando | p. 401 |
| References | p. 403 |
| Nanoparticles and Clusters | p. 407 |
| Introduction | p. 408 |
| Information in the PDFs of Nanoparticles | p. 408 |
| Nanoparticle Size and Shape | p. 411 |
| Nanoparticle Structure and Defects | p. 412 |
| Ab Initio Solution of Unknown Nanostructures | p. 416 |
| Homogeneous Size-Dependent Strain in Nanoparticles | p. 416 |
| Nanoparticle Thermodynamic Quantities from the PDF | p. 417 |
| Surface to Volume Ratio and Inhomogeneous Strains in Nanoparticles | p. 418 |
| Size-Dependent Bond Stiffness in Nanoparticles | p. 419 |
| Modeling Heterogeneous Nanoparticles | p. 420 |
| Surface Capping Ligand Dependence of Nanoparticle Structure | p. 422 |
| Clusters Suspended in a Solvent | p. 423 |
| Precursors to Gold Nanoparticle Formation | p. 424 |
| Time-Resolved Studies of Hydrothermal Chemical Reactions | p. 426 |
| Structures of Surfactant Micelles Suspended in Water | p. 428 |
| Structure of Pt(II) ion Complexes in Water | p. 430 |
| Clusters and Molecules Intercalated in Nanoporous Solids | p. 431 |
| Hydrogen in a Cyanide Host | p. 431 |
| Metal Organic Frameworks and ZIFs | p. 432 |
| Mercury in Silica | p. 434 |
| Sodium in Silica | p. 434 |
| References | p. 437 |
| Local Packing in Molecular Materials | p. 441 |
| Introduction | p. 441 |
| Fingerprinting | p. 442 |
| Sensitivity Dependence On QMax | p. 448 |
| Modeling Molecular Systems | p. 452 |
| References | p. 452 |
| Structure of Amorphous Materials | p. 455 |
| PDF Analysis of Amorphous Materials | p. 455 |
| Structure of Multicomponent Glasses | p. 456 |
| Compositionally Resolved Structure | p. 456 |
| Structural Changes due to Structural Relaxation | p. 457 |
| Structural Relaxation in Glasses | p. 457 |
| Structural Relaxation Observed by the PDF Method | p. 458 |
| Structural Changes due to Mechanical Deformation | p. 459 |
| Elastic Deformation | p. 459 |
| Anelastic Deformation | p. 461 |
| Plastic Deformation | p. 462 |
| References | p. 464 |
| Concluding Remarks | p. 467 |
| Index | p. 471 |
| Table of Contents provided by Ingram. All Rights Reserved. |
ISBN: 9780080971339
ISBN-10: 0080971334
Series: Pergamon Materials Series
Published: 22nd November 2012
Format: Hardcover
Language: English
Number of Pages: 422
Audience: Professional and Scholarly
Publisher: Pergamon
Country of Publication: GB
Edition Number: 2
Edition Type: Revised
Dimensions (cm): 24.13 x 15.24 x 3.81
Weight (kg): 0.89
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