Underneath the Bragg Peaks: Structural Analysis of Complex Materials
* Introducing a unique method to study the atomic structure of nano-materials
* Award winning research. Takeshi Egami received the 2003 Eugene Bertram Warren Diffraction Physics Award for the work described in the book.
This book 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. While this subject might sound rather narrow, the fact is that today 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.
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Chapter 3 The Method of Total Scattering and Atomic Pair Distribution Function Analysis
Chapter 4 Total Scattering Experiments
Chapter 5 Data Collection and Analysis
Chapter 6 Extracting Structural Information from the PDF
Chapter 7 Dynamics of the Local Structure
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absorption amplitude angle atomic average structure Billinge Bragg peaks calculated Chapter Compton Compton scattering corrections correlation function crystalline crystallographic data analysis deadtime defects deﬁned deﬁnition density dependence detector determined difﬁcult diffractometer diffuse scattering discussed disorder displacements doped dynamic effect Egami elastic electron energy equations errors example factor ferroelectric ﬁeld ﬁrst ﬁt ﬁtting ﬂux Fourier transform geometry high-Q incoherent scattering inelastic scattering integrated interaction ions JT distortion lattice Lett Louca magnetic materials metallic multiple scattering neighbors neutron scattering obtained octahedra oxygen parameters PDF analysis PDF measurements PDF method PDF peak perovskite Petkov phase transition phonon Phys polarization polarons position powder diffraction Proffen Q-space Qmax range real-space reﬁned reﬂection resolution Rietveld reﬁnement sample scattering cross-section scattering intensity shown in Figure signiﬁcant solid sources spin structure function superconductivity symmetry synchrotron temperature termination errors thermal time-of-ﬂight total scattering unit cell vanadium X-ray XAFS