School of Physics - Theses

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    Structural instabilities in crystalline solids
    FINLAYSON, TREVOR ( 2014)
    Structural instabilities can be envisaged on various microstructural scales ranging from the “nano” (or atomic) to the “macro” (as one imagines for multi-phase materials). Thus the physical properties measured and techniques employed to research materials of interest for specific projects have been wide ranging. In the research summary section for each chapter, these properties and techniques have been briefly summarized. Separate thesis chapters deal with: various superconducting materials; materials exhibiting martensitic transformations; residual stresses in polycrystalline materials as studied by x-ray and neutron diffraction techniques; various dielectric materials, particularly ferro and piezoelectric materials; magnetic microstructures; and alloys developed for hollow cathodes for atomic absorption spectrometry.