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High resolution helium atom scattering can be applied to study a
number of interesting properties of solid surfaces with great
sensitivity and accuracy. This book treats in detail experimental
and theoretical aspects ofthis method as well as all current
applications in surface science. The individual chapters - all
written by experts in the field - are devoted to the investigation
of surface structure, defect shapes and concentrations, the
interaction potential, collective and localized surface vibrations
at low energies, phase transitions and surface diffusion. Over the
past decade helium atom scattering has gained widespread
recognitionwithin the surface science community. Points in its
favour are comprehensiveunderstanding of the scattering theory and
the availability of well-tested approximation to the rigorous
theory. This book will be invaluable to surface scientists wishing
to make an informed judgement on the actual and potential
capabilities of this technique and its results.
In recent years substantial progress has been made in the detection
of surface phonons owing to considerable improvements in inelastic
rare gas scattering tech niques and electron energy loss
spectroscopy. With these methods it has become possible to measure
surface vibrations in a wide energy range for all wave vectors in
the two-dimensional Brillouin zone and thus to deduce the complete
surface phonon dispersion curves. Inelastic atomic beam scattering
and electron energy loss spectroscopy have started to play a role
in the study of surface phonons similar to the one played by
inelastic neutron scattering in the investigation of bulk phonons
in the last thirty years. Detailed comparison between experimen tal
results and theoretical studies of inelastic surface scattering and
of surface phonons has now become feasible. It is therefore
possible to test and to improve the details of interaction models
which have been worked out theoretically in the last few decades.
At this point we felt that a concise, coherent and self-contained
guide to the rapidly growing field of surface phonons was needed."
High resolution helium atom scattering can be applied to study a
number of interesting properties of solid surfaces with great
sensitivity and accuracy. This book treats in detail experimental
and theoretical aspects ofthis method as well as all current
applications in surface science. The individual chapters - all
written by experts in the field - are devoted to the investigation
of surface structure, defect shapes and concentrations, the
interaction potential, collective and localized surface vibrations
at low energies, phase transitions and surface diffusion. Over the
past decade helium atom scattering has gained widespread
recognitionwithin the surface science community. Points in its
favour are comprehensiveunderstanding of the scattering theory and
the availability of well-tested approximation to the rigorous
theory. This book will be invaluable to surface scientists wishing
to make an informed judgement on the actual and potential
capabilities of this technique and its results.
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