Point-Contact Spectroscopy
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Beschreibung
A new type of spectroscopy, Point-Contact Spectroscopy, was created for the study of conduction electron interaction mechanism with a class of elementary excitations in solids. The goal of this book is to introduce readers to Point Contact Spectroscopy.
The physical principles of spectroscopy of quasi-particle excitations in metals at low temperatures by means of point contacts are presented. The point contact constitutes a tiny metallic bridge connecting bulk electrodes. Along with the most thoroughly studied phonon excitations, the interaction of electrons with other quasiparticles (magnons, crystal-field electron excitations, paramagnetic impurities, two-level systems, etc), are reviewed.
Various experimental techniques for point contact production are described. Examples of point-contact spectra are presented for pure metals, alloys and compounds, as well as for semimetals and semiconductors, high-Tc and other exotic superconductors, heavy fermion systems, Kondo-lattices, mixed valence compounds and more. Special attention is paid to contact conductance behavior in superconducting states, in high magnetic fields and under high-frequency radiation. The theoretical part of the book is restricted to presenting the main relations without superfluous details.
Point-Contact Spectroscopy includes more than 200 figures.
Point-contact spectroscopy has been a powerful tool for investigating elementarty excitations in solids. This text provides fundamentals and techniques for point-contact spectroscopy, as well as an outlook for new and future research trends.
Describes various experimental techniques for point contact production Presents examples of point-contact spectra for pure metals, alloys and compounds, as well as for semimetals and semiconductors, heavy fermion systems, Kond-lattices, mixed valence compounds and more Considers superconducting point contacts in respect to Andreev reflection and Josephson effects Pays special attention to contact conductance fluctuation, and outlines new trends of research Includes supplementary material: sn.pub/extras
Autor*in
Yu.G. Naidyuk
Themen in »Point-Contact Spectroscopy«
Josephson effect STEM Semiconductor Superconductor alloy crystal spectroscopy