Research On Photoemission
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| Author | : W. T. Peria |
| Publisher | : |
| Total Pages | : 228 |
| Release | : 1963 |
| Genre | : Crystals |
| ISBN | : |
Techniques used to obtain high vacua, to provide clean surfaces, to deposit Na on these surfaces and to measure their work functions are described. A method used to fabricate hemispherical grids is also included. Work function, electron diffraction and secondary emission studies of sodium covered germanium are presented. Preparations for a field-emission study of the same system are described. In the study of the compound Na3Sb, preliminary data on the details of film formation have been obtained and the inert atmosphere facility for the preparation of the bulk material has been completed. A brief description of the apparatus to be used in the study of anomalous photovoltaic effects in Ge films is given.
| Author | : Juan A Colón Santana |
| Publisher | : Morgan & Claypool Publishers |
| Total Pages | : 151 |
| Release | : 2016-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1627053077 |
Photoemission (also known as photoelectron) spectroscopy refers to the process in which an electron is removed from a specimen after the atomic absorption of a photon. The first evidence of this phenomenon dates back to 1887 but it was not until 1905 that Einstein offered an explanation of this effect, which is now referred to as ""the photoelectric effect"". Quantitative Core Level Photoelectron Spectroscopy: A Primer tackles the pragmatic aspects of the photoemission process with the aim of introducing the reader to the concepts and instrumentation that emerge from an experimental approach. The basic elements implemented for the technique are discussed and the geometry of the instrumentation is explained. The book covers each of the features that have been observed in the X-ray photoemission spectra and provides the tools necessary for their understanding and correct identification. Charging effects are covered in the penultimate chapter with the final chapter bringing closure to the basic uses of the X-ray photoemission process, as well as guiding the reader through some of the most popular applications used in current research.
| Author | : Wolfgang Schattke |
| Publisher | : John Wiley & Sons |
| Total Pages | : 515 |
| Release | : 2008-09-26 |
| Genre | : Science |
| ISBN | : 3527621008 |
Photoemission is one of the principal techniques for the characterization and investigation of condensed matter systems. The field has experienced many developments in recent years, which may also be put down to important achievements in closely related areas. This timely and up-to-date handbook is written by experts in the field who provide the background needed by both experimentalists and theorists. It represents an interesting framework for showing the connection between theory and experiment by bringing together different concepts in the investigation of the properties of materials. The work addresses the geometric and electronic structure of solid surfaces and interfaces, theoretical methods for direct computation of spectra, experimental techniques for data acquisition, and physical models for direct data interpretation. It also includes such recent developments as full hemisphere acceptance in photoemission, two-electron photoemission, (e, 2e) electron diffraction, and photoelectron-electron/hole interaction.
| Author | : Wentao Zhang |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 147 |
| Release | : 2012-08-22 |
| Genre | : Technology & Engineering |
| ISBN | : 364232472X |
This book mainly focuses on the study of the high-temperature superconductor Bi2Sr2CaCu2O8 by vacuum, ultra-violet, laser-based, angle-resolved photoemission spectroscopy (ARPES). A new form of electron coupling has been identified in Bi2212, which occurs in the superconducting state. For the first time, the Bogoliubov quasiparticle dispersion with a clear band back-bending has been observed with two peaks in the momentum distribution curve in the superconducting state at a low temperature. Readers will find useful information about the technique of angle-resolved photoemission and the study of high-temperature superconductors using this technique. Dr. Wentao Zhang received his PhD from the Institute of Physics at the Chinese Academy of Sciences.
| Author | : Stephan Hüfner |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 411 |
| Release | : 2007-02-09 |
| Genre | : Science |
| ISBN | : 3540681302 |
Photoemission spectroscopy is one of the most extensively used methods to study the electronic structure of atoms, molecules, and solids and their surfaces. This volume introduces and surveys the field at highest energy and momentum resolutions allowing for a new range of applications, in particular for studies of high temperature superconductors.
| Author | : Stefan Hüfner |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 525 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 3662031507 |
An up-to-date introduction to the field, treating in depth the electronic structures of atoms, molecules, solids and surfaces, together with brief descriptions of inverse photoemission, spin-polarized photoemission and photoelectron diffraction. Experimental aspects are considered throughout and the results carefully interpreted by theory. A wealth of measured data is presented in tabullar for easy use by experimentalists.
| Author | : Veronika Sunko |
| Publisher | : Springer |
| Total Pages | : 198 |
| Release | : 2020-10-08 |
| Genre | : Science |
| ISBN | : 9783030310899 |
This thesis describes the results of angle resolved photoemission spectroscopy experiments on delafossite oxide metals, and theoretical work explaining these observations. The study was motivated by the extraordinarily high conductivity of the non-magnetic delafossites PdCoO2 and PtCoO2, the measurement of whose electronic structure is reported and discussed. Two unexpected effects were observed in the course of the investigation; each is described and analysed in detail. Firstly, a previously unrecognised type of spectroscopic signal, allowing the non-magnetic probe of photoemission to become sensitive to spin-spin correlations, was observed in the antiferromagnetic PdCrO2. Its origin was identified as the Kondo-like coupling of itinerant and Mott insulating electrons. Furthermore, surface states exhibiting an unusually large Rashba-like spin-splitting were observed on the transition metal terminated surfaces of delafossites. The large inversion symmetry breaking energy scale, a consequence of the unusual structure of the surface layer, is identified as the origin of the effect.
| Author | : Shigemasa Suga |
| Publisher | : Springer |
| Total Pages | : 389 |
| Release | : 2013-09-07 |
| Genre | : Science |
| ISBN | : 3642375308 |
Photoelectron spectroscopy is now becoming more and more required to investigate electronic structures of various solid materials in the bulk, on surfaces as well as at buried interfaces. The energy resolution was much improved in the last decade down to 1 meV in the low photon energy region. Now this technique is available from a few eV up to 10 keV by use of lasers, electron cyclotron resonance lamps in addition to synchrotron radiation and X-ray tubes. High resolution angle resolved photoelectron spectroscopy (ARPES) is now widely applied to band mapping of materials. It attracts a wide attention from both fundamental science and material engineering. Studies of the dynamics of excited states are feasible by time of flight spectroscopy with fully utilizing the pulse structures of synchrotron radiation as well as lasers including the free electron lasers (FEL). Spin resolved studies also made dramatic progress by using higher efficiency spin detectors and two dimensional spin detectors. Polarization dependent measurements in the whole photon energy spectrum of the spectra provide useful information on the symmetry of orbitals. The book deals with the fundamental concepts and approaches for the application of this technique to materials studies. Complementary techniques such as inverse photoemission, photoelectron diffraction, photon spectroscopy including infrared and X-ray and scanning tunneling spectroscopy are presented. This book provides not only a wide scope of photoelectron spectroscopy of solids but also extends our understanding of electronic structures beyond photoelectron spectroscopy.
| Author | : P.W. Hawkes |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 1336 |
| Release | : 2008-08-29 |
| Genre | : Technology & Engineering |
| ISBN | : 0387497625 |
This fully corrected second impression of the classic 2006 text on microscopy runs to more than 1,000 pages and covers up-to-the-minute developments in the field. The two-volume work brings together a slew of experts who present comprehensive reviews of all the latest instruments and new versions of the older ones, as well as their associated operational techniques. The chapters draw attention to their principal areas of application. A huge range of subjects are benefiting from these new tools, including semiconductor physics, medicine, molecular biology, the nanoworld in general, magnetism, and ferroelectricity. This fascinating book will be an indispensable guide for a wide range of scientists in university laboratories as well as engineers and scientists in industrial R&D departments.
| Author | : Joseph Woicik |
| Publisher | : Springer |
| Total Pages | : 576 |
| Release | : 2015-12-26 |
| Genre | : Science |
| ISBN | : 3319240439 |
This book provides the first complete and up-to-date summary of the state of the art in HAXPES and motivates readers to harness its powerful capabilities in their own research. The chapters are written by experts. They include historical work, modern instrumentation, theory and applications. This book spans from physics to chemistry and materials science and engineering. In consideration of the rapid development of the technique, several chapters include highlights illustrating future opportunities as well.
