Electron Compton Scattering in the Electron Microscope P
Total Page：16
File Type：pdf, Size：1020Kb
T i jii, i—iin ••*, CONF-8909210— Proceedings of The 12th Werner Brandt International Conference on the Penetration of Charged Particles in Matter September 4-7,1989 Universidad del Pais Vasco/Euskal Herriko Unibertsitatea San Sebastian, Basque Country, Spain eman ta zabal zazu Printed in the United States of America. Available from National Technical Information Service U.S. Department of Commerce 5285 Port Royal Road, Springfield, Virginia 22161 NTIS price codes—Printed Copy: A-99 Microfiche A01 This report was prepared as an account of work sponsored by an agency of the United StatesGovernment. Neither theUnitedStatesGovernment nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the UnitedStates Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. The 12th Werner Brandt International Universidad del Pais Vasco/Euskal Hcrriko Unibertsitatea Conference on the Penetration of Charged September 4-7, 1989 Particles in Matter San Sebastian, Basque Country, Spain i I o OD to e o w w 10 CONF-8909210 THE 12TH WERNER BRANDT INTERNATIONAL CONFERENCE ON THE PENETRATION OF CHARGED PARTICLES IN MATTER s..§ g-1, S- * ** if- 3 K' September 4-7, 1989 San Sebastian, Spain i||ffj||f| Date Published - April 1990 f 111 J g f f { g 3 &§ =• 5. r=. 3 P** -?=.} 5) *? i l*tJiff Prepared by the OAK RIDGE NATIONAL L/rORATORY Oak Ridge, Tennessee 37831 operated by MARTIN MARIETTA ENERGY SYSTEMS, INC. for the U.S. Department of Energy Under Contract No. DE-AC05-84OR21400 TABLE OF CONTENTS Page Introduction and Overview R. H. Ritchie vii Toasts and Responses ix Conference Participants xvii Program xxi Localised Elastic and Inelastic Scattering Processes for Electrons in Multilayer Structures A Howie. C. A. Walsh, and Z. L. Wang 1 Electromagnetic Resonances in Self Similar Arrays of Particles or Voids Francisco Claro and Ronald Fuchs 9 Influence of the Wake Potential on Inelastic Scattering Using a Small Probe in Confined Volumes P. E. Batson and J. Bruley 15 Electron Microscopy Study of the Electronic Properties of Small Silicon Particles Daniel Ugarte. Christian Colliex, and Pierre Trebbia 25 Electron Compton Scattering in the Electron Microscope P. Schattschneider and P. Pongratz 35 Dispersion Effects and Spatial Resolution in STEM N. Zabala and P. M. Echenique 61 Stopping Power for Protons in Al for the Whole Range of Velocities F. Flores, A. Arnau, P. M. Echenique, and R. H. Ritchie 69 Stopping Power for Protons Revisited Gregory Lapicki 85 Stopping Power Theory in Inhomogeneous Many Electron System M. Kitagawa „ 101 On the Z,' Correction of the Stopping Power I. Nagv and P. M. Echcnique Ill Variational Approach to the Scattering Theory and its Application in Stopping Phenomena B. Apagyi and I. Nagy 125 Stopping Power and Ranges in Ion Implantation J. Bausells 139 Dynamical Effects in Electron Tunneling M. §unjic and L. Marusic 153 Photon Scanning Tunneling Microscopy R. J. Warmack. R. C. Reddick, and T. L. Ferrell 175 Extended Transfer Hamiltonian Method for Resonant Tunneling S. P. Apell. E. Albertson, and D. R. Penn 183 Laser Field Effects on the Interaction of Charged Particles with Degenerate and Non-Degenerate Plasmas N. R. Arista. R.M.O. Galvao, and L.C.M. Miranda 201 Screening Effects in Nuclear Fusion of Hydrogen Isotopes in Dense Media Nestor Arista, Raul Ba.-agiola, and Alberto Gras-Marti 211 Contribution of Ripplon Excitation to Interaction Energies of Particulates Rafael Garcia-Molina. Nuria Barberan, and Alberto Gras-Marti 221 q-Dependent Excitations of Metal Spheres Nuria Barberan, Manuel Barranco. F'ancesca Garcias, Jesus Navarro, and Lloreng Serra 231 Wake-Riding Electrons Emitted by Antiprotons Traversing Solid Targets J. Burgdorfer. J. Wang, and J. Muller 239 Non Perturbative Behaviours in Excitation and Ionisation of Atoms by Fast Charged Particles R. Gavet and A. Salin 255 Target Thickness Dependent Convoy Electron Production of Aligned Molecular HeH+-Ions J. Kemmler. K. O. Groeneveld, O, Heil, K. Kroneberger, and H. Rothard 267 ii Radiative Electron Capture by Channeled Ions J. M. Pitarke and R. H. Ritchie 273 Direct Methods in Structure Determination by LEED J. B. Pendry 289 Non-Local Exchange-Correlation Potential at a Metal Surface from Many-Body Perturbation Theory A. G. Eguiluz 303 Multiphonon Energy Exchange in the Collision of an Atom with a Surface J. R. Manson and R. H. Ritchie 313 Positronium Formation and Photoemission Spectroscopy for Surface Akira Ishii 329 Inelastic Positronium Formation at Metal Surfaces Toshiaki litaka 343 Energy Loss Measurements of He and H Scattered at Grazing Incidence off Ni A. Narmann, K. Schmidt, U. Imke, and W. Heiland 351 Electronic Response of Metal Surfaces to Electron Exchange with Doubly Charged Ions A. Niehaus 361 Transient Adsorption, Energy Loss, and Momentum Transfer in Low Velocity Ion Surface Scattering K. J. Snowdon. D. J. O'Connor, M. Kato, and R. J. MacDonald 375 The Neutralization Process of Highly Charged Ions Near a Metal Surface L. Folkerts and R. Morgenstern , 389 Some Basic Phenomena and their Importance in Relation to Techniques for Sputter- and Vapor-Deposition of High Temperature Superconducting Thin Films Orlando Auciello 397 Effective Mass of Bulk and Surface Positrons Due to Plasmon Excitation Shigeru Shindo 421 Variation of DOSD Moments with Bond Length in H2 and N2 Jens Oddcrshede, John R. Sabin. and Geerd H.F. Dicrcksen 435 iii De Structura Spectrorum Encrgiae Electroniorum Sccundariorum Ioniis Inductufum Prorsus Rcctorum c Corporibus Solidis Kar1-Ont(es Groeneveld. Robert Maier, and Hermann Rothard 445 Orbital Local Plasma Calculation of Mean Excitation Energies and Stopping Numbers S. B. Trickey. David E. Mcltzcr, and John R. Sabin 449 Secondary Electrons as Probe of Prccquilibrium Stopping Power of Ions Penetrating Solids K. Kroneberger. H. Rothard, P. Koschar, P. Lorenzcn, A. Clouvas, E. Veje, J. Kemmlcr, and K. O. Groeneveld 477 Secondary Electron Emission with Molecular Projectiles K. Kroneberger. H. Rothard, P. Koschar, P. Lorenzen, A. Clouvas, E. Veje, J. Kemmler, N. Keller, R. Maier, and K. O. Groeneveld 483 Direction-Dependent Stopping Power and Beam Deflection in Anisotropic Solids Oakley H. Crawford 489 Independent-Particle Model for Fusion in Cluster Impact Oakley H. Crawford 507 Bremsstrahlung Induced by 50 MeV H° Bombardment C. Stein, K. W. Habiger, B. R. Smith, Oakley H. Crawford, and R. H. Ritchie 517 Excited Substates Mixing of Fast Heavy Ions in Solids J. P. Rozet. A. Chetioui, K. Wohrer, C. Stephan, F. Ben Salah, A. Touati, M. F. Politis, and D. Vernhet 533 Radiation Mechanisms for Microscopic Relativistic Electron Beams Michael J. Moran 537 Interaction of Low-Energy Electrons and Positrons with Condensed Matter: Stopping Powers and Inelastic Mean Free Paths from Optical Data J. C. Ashley 551 Cross Sections for K-Shell Ionization by Electron Impact Ricardo Mavol and Francesc Salvat 573 The Theory of Track Formation in Insulators Due to Densely Ionizing Particles R. H. Ritchie, A. Gras-Marti. and J. C. Ashley 595 xv Track Structure: Perspectives, Progress, Problems Robert Katz 615 The Irradiation of Glycylglycine in Aqueous Solution - A Case Study of Calculations from Track-Structure to Biochemical Change J. E. Turner, Wesley E. Bolch, H. Yoshida, K. Bruce Jacobson, O. H. Crawford, R. N. Hamm, and H. A. Wright 633 Collective Aspects of Charged Particle Track Structure G. Basbas. A. Howie, and R. H. Ritchie 651 Calculations of Auger-Cascade-Induced Reactions with DNA in Aqueous Solution R. N. Hamm. H. A. Wright, J. E. Turner, R. W. Howell, D. V. Rao, and K.S.R. Sastry 673 THE 12TH WERNER BRANDT INTERNATIONAL CONFERENCE ON THE PENETRATION OF CHARGED PARTICLES IN MATTER Introduction and Overview R. H. Ritchie It is in order to make a short sketch of the origin and philosophy of these workshops. The first was held at New York University in 1977, organized and inspired by our late colleague, Werner Brandt, who was Professor of Physics and Head of the Radiation Physics Laboratory there. Werner was the driving force in the first and subsequent meetings until his untimely death, although it was my privilege to help in these and succeeding endeavors. Werner recognized the need for small and informal workshops in the community of workers concerned with the interaction of charged particles in matter. Since physical problems in this broad area often involve interdisciplinary expertise, it was expected that participants would be drawn from many different institutions and branches of knowledge and that smallness and informality would be essential for success in such gatherings. He emphasized that the main goal of such meetings should be to arrive at some sense of current problems, not merely to repeat results that have already been published. In particular, all participants were encouraged to contemplate beforehand how their knowledge and scientific needs would relate to modern problems in penetration physics so that the workshops could address some of the outstanding questions of recent research. In a real sense, Werner here began a new mode of information exchange that involved timely and exciting discussions, required minimal effort by participants through the issuance of very informal summary reports, and included active workers with a broad spectrum of viewpoints. It has been a rare privilege for my colleagues and me to continue these workshops in Werner's honor and, in the tradition begun so ably by him, to attempt to convey through them the fascination to be found in research on charged particle penetration phenomena.