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John Emyr MacDonald

Researcher at Cardiff University

Publications -  94
Citations -  2447

John Emyr MacDonald is an academic researcher from Cardiff University. The author has contributed to research in topics: Diffraction & Neutron scattering. The author has an hindex of 25, co-authored 94 publications receiving 2354 citations. Previous affiliations of John Emyr MacDonald include University of Wales & University of Bath.

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Surface X-ray scattering during crystal growth: Ge on Ge(111)

TL;DR: The growth of Ge on Ge(111) has been monitored by in situ x-ray reflectivity and diffraction, indicating growth by two-dimensional nucleation.
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X-ray diffraction study of the structure of thin polyfluorene films

TL;DR: In this paper, the molecular arrangement in thin films of poly(9,9-dioctylfluorene) and poly( 9, 9-dihexylfluoresine) deposited on silicon substrates has been investigated with grazing incidence X-ray diffraction.
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X-ray diffraction from rough, relaxed and reconstructed surfaces

TL;DR: In this article, a general formalism is presented for computing the scattered X-ray intensity from surfaces showing disorder in the form of atomic-scale roughness or in the reconstructed domains of finite size.
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Quantitative electrostatic force microscopy-phase measurements

TL;DR: The phase mode of electrostatic force microscopy (EFM-phase) is a scanning probe microscopy technique used to measure electrostatic forces gradient as discussed by the authors, but unlike SKPM it does not yield a direct measurement of local potential.