High Resolution Angle Resolved Photoemission Study Of Hightemperature Superconductors
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Author | : Wentao Zhang |
Publisher | : Springer Science & Business Media |
Total Pages | : 147 |
Release | : 2012-08-22 |
Genre | : Technology & Engineering |
ISBN | : 364232472X |
Download Photoemission Spectroscopy on High Temperature Superconductor Book in PDF, Epub and Kindle
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 | : Junfeng He |
Publisher | : Springer |
Total Pages | : 137 |
Release | : 2016-06-21 |
Genre | : Technology & Engineering |
ISBN | : 3662527324 |
Download Angle-Resolved Photoemission Spectroscopy on High-Temperature Superconductors Book in PDF, Epub and Kindle
This book mainly focuses on the study of the high-temperature superconductor Bi2Sr2CaCu2O8+δ (Bi2212) and single-layer FeSe film grown on SrTiO3 (STO) substrate by means of angle-resolved photoemission spectroscopy (ARPES). It provides the first electronic evidence for the origin of the anomalous high-temperature superconductivity in single-layer FeSe grown on SrTiO3 substrate. Two coexisted sharp-mode couplings have been identified in superconducting Bi2212. The first ARPES study on single-layer FeSe/STO films has provided key insights into the electronic origin of superconductivity in this system. A phase diagram and electronic indication of high Tc and insulator to superconductor crossover have been established in the single-layer FeSe/STO films. Readers will find essential information on the techniques used and interesting physical phenomena observed by ARPES.
Author | : |
Publisher | : |
Total Pages | : |
Release | : 2003 |
Genre | : |
ISBN | : |
Download High Resolution Angle-resolved Photoemission Study of Hightemperature Superconductors Book in PDF, Epub and Kindle
The latest development of angle-resolved photoemission spectroscopy (ARPES) technique has seen extremely high energy resolution and momentum resolution, as well as multiple angle detection. These advancements have led to new findings through efficient Fermi surface mapping, fine electronic structure resolving, and direct determination of electron self-energy. In this paper, we will highlight some recent high resolution ARPES work on high temperature superconductors. These include: (1) charge-ordering and evolution of electronic structure with doping; (2) bilayer splitting and Fermi surface topology of Bi2212; and (3) strong electron phonon coupling and electron electron interaction in high temperature superconductors.
Author | : Yeukuang Hwu |
Publisher | : |
Total Pages | : 348 |
Release | : 1992 |
Genre | : |
ISBN | : |
Download High-resolution Photoemission Study of the High Temperature Superconductors Book in PDF, Epub and Kindle
Author | : Pavel Valere̓vich Bogdanov |
Publisher | : |
Total Pages | : 264 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download Study of High Temperature Superconductors with Angle-resolved Photoemission Spectroscopy Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 5 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download High Resolution-angle Resolved Photoemission Studies of High Temperature Superconductors Book in PDF, Epub and Kindle
Recent photoemission studies of Y 123 and Bi 2212 performed with high energy and angular resolution have provided detailed information on the nature of the states near the Fermi level. Measurements of the superconducting gap, band dispersion, and the density of states near the Fermi level in the normal state all support a Fermi liquid description of these materials. 5 refs., 4 figs.
Author | : Francisco Restrepo |
Publisher | : Springer Nature |
Total Pages | : 113 |
Release | : 2022-09-13 |
Genre | : Technology & Engineering |
ISBN | : 3031109791 |
Download Angle-Resolved Photoemission Spectroscopy Study of Spin Fluctuations in the Cuprate Superconductors Book in PDF, Epub and Kindle
This thesis makes significant advances towards an understanding of superconductivity in the cuprate family of unconventional, high-temperature superconductors. Even though the high-temperature superconductors were discovered over 35 years ago, there is not yet a general consensus on an acceptable theory of superconductivity in these materials. One of the early proposals suggested that collective magnetic excitations of the conduction electrons could lead them to form pairs, which in turn condense to form the superconducting state at a critical temperature Tc. Quantitative calculations of Tc using experimental data were, however, not available to verify the applicability of this magnetic mechanism. In this thesis, the author constructed an angle-resolved photoemission apparatus that could provide sufficiently accurate data of the electronic excitation spectra of samples in the normal state, data which was furthermore unusually devoid of any surface contamination. The author also applied the Bethe-Salpeter method to his uncommonly pristine and precise normal state data, and was able to predict the approximate superconducting transition temperatures of different samples. This rare combination of experiment with sophisticated theoretical calculations leads to the conclusion that antiferromagnetic correlations are a viable candidate for the pairing interaction in the cuprate superconductors.
Author | : Jian Ma |
Publisher | : |
Total Pages | : 462 |
Release | : 1995 |
Genre | : |
ISBN | : |
Download High Energy Resolution Angle-resolved Photoemission Studies of Electronic Properties of Bi-based High Temperature Superconductors Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 5 |
Release | : 2003 |
Genre | : |
ISBN | : |
Download Study of High Temperature Superconductors with Angle-Resolved Photoemission Spectroscopy Book in PDF, Epub and Kindle
The Angle Resolved Photoemission Spectroscopy (ARPES) recently emerged as a powerful tool for the study of highly correlated materials. This thesis describes the new generation of ARPES experiment, based on the third generation synchrotron radiation source and utilizing very high resolution electron energy and momentum analyzer. This new setup is used to study the physics of high temperature superconductors. New results on the Fermi surfaces, dispersions, scattering rate and superconducting gap in high temperature superconductors are presented.
Author | : Hong Ding (Ph. D.) |
Publisher | : |
Total Pages | : 248 |
Release | : 1995 |
Genre | : |
ISBN | : |
Download Angle-resolved Photoemission Study on High Temperature Superconductors Book in PDF, Epub and Kindle