Reilly, Inverse hydrogen isotope effects in some metal hydride systems. Carlile, Experimental Neutron Scattering (OUP, Oxford, 2013) Gray, In situ neutron diffraction study of the deuteration of isotopic Mg 11B 2. Bailey, Embrittlement of titanium-zirconium ‘null-matrix’ alloy by deuterium. Fritzsche, Performance of Cu-coated vanadium cans for in situ neutron powder diffraction experiments on hydrogen storage materials. Ishigaki, Development of sample holder for in situ neutron measurement of hydrogen absorbing alloy. Heroux, Powgen: a third-generation high-resolution high-throughput powder diffraction instrument at the Spallation NeutronSource. Huq, Spallation Neutron Source, Oak Ridge National LaboratoryĪ. Howard, Applications of Neutron Powder Diffraction (Oxford University Press, Oxford, 2008) David (eds.), Uniting Electron Crystallography and Powder Diffraction (Springer, Dordretch, 2012) Zavalij, Fundamentals of Powder Diffraction and Structural Characterization of Materials, 2nd edn: 33 Tab (Springer, New York, 2009) Billinge, Powder Diffraction: Theory and Practice (RCS, Cambridge, 2008) Steed (Marcel Dekker, New York, Basel 2004) Evans, X-ray and neutron powder diffraction, in Encyclopedia of Supramolecular Chemistry, ed. Chatterji (ed.), Neutron Scattering from Magnetic Materials (Elsevier, Amsterdam, 2005) McHenry, Structure of Materials (Cambridge University Press, Cambridge, 2007) International Union of Crystallography Texts on Crystallography (Oxford University Press, Oxford, 1992) Giacovazzo, The diffraction of X-rays by crystals, in Fundamentals of Crystallography, ed. International Tables for Crystallography. The final section is a presentation of a few selected examples of the application of neutron powder diffraction to metal hydrides. The special case of locating the hydrogen using neutron powder diffraction will be discussed in a separate section. Analysis of diffraction patterns by Rietveld refinement will be discussed next: we will expose the principle of the method and the significance of various parameters to be refined. This will be followed by a discussion about the two main neutron sources used for diffraction experiments: reactors and spallation sources. In this chapter we will first present the basic principles of neutron diffraction. Neutron powder diffraction is extensively used for the development and fundamental understanding of metal hydrides.
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