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OverviewChemical reactions and growth processes on surfaces depend on the diffusion and re-orientation of the adsorbate molecules. A fundamental understanding of the forces guiding surface motion is thus of utmost importance for the advancement of many fields of science and technology. To date, our understanding of the principles underlying surface dynamics remains extremely limited, due to the difficulties involved in measuring these processes experimentally. The helium-3 spin-echo (HeSE) technique is uniquely capable of probing such surface dynamical phenomena. The present thesis extends the field of application of HeSE from atomic and small molecular systems to more complex systems. Improvements to the supersonic helium beam source, a key component of the spectrometer, as well as a detailed investigation of a range of five-membered aromatic adsorbate species are presented. The thesis provides a comprehensive description of many aspects of the HeSE method - instrumentation, measurement and data analysis - and as such offers a valuable introduction for newcomers to the field. Full Product DetailsAuthor: Barbara A. J. LechnerPublisher: Springer International Publishing AG Imprint: Springer International Publishing AG Edition: 2014 ed. Dimensions: Width: 15.50cm , Height: 1.80cm , Length: 23.50cm Weight: 4.085kg ISBN: 9783319011790ISBN 10: 3319011790 Pages: 172 Publication Date: 13 May 2014 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: Manufactured on demand  We will order this item for you from a manufactured on demand supplier. Table of ContentsMotivation.- The helium-3 spin-echo experiment.- A new helium atom scattering apparatus.- An improved high intensity supersonic helium beam source.- The dynamics of cyclopentadienyl on Cu(111).- Quantum influences in the diffusive motion of pyrrole on Cu(111).- The diffusive motion of thiophene on Cu(111).- Conclusions.ReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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