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Title: Alex and the Origin of High-Temperature Superconductivity

  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
DOE Contract Number:
Resource Type:
Resource Relation:
Journal Volume: 255
Country of Publication:
United States

Citation Formats

Egami, Takeshi. Alex and the Origin of High-Temperature Superconductivity. United States: N. p., 2017. Web. doi:10.1007/978-3-319-52675-1_4.
Egami, Takeshi. Alex and the Origin of High-Temperature Superconductivity. United States. doi:10.1007/978-3-319-52675-1_4.
Egami, Takeshi. Sun . "Alex and the Origin of High-Temperature Superconductivity". United States. doi:10.1007/978-3-319-52675-1_4.
title = {Alex and the Origin of High-Temperature Superconductivity},
author = {Egami, Takeshi},
abstractNote = {},
doi = {10.1007/978-3-319-52675-1_4},
journal = {},
number = ,
volume = 255,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2017},
month = {Sun Jan 01 00:00:00 EST 2017}

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  • The goal for the high temperature superconductivity energy systems program is to promote energy efficiency by carrying out a program of research and development of high temperature superconducting electric power equipment technologies. Research efforts shall emphasize activities that address near-term technical projects such as the development of superconducting materials; improving the efficiency of materials performance at higher temperatures and at all magnetic field orientations; and assisting the private sector with designs for more efficient electric power generation and delivery systems for the commercial marketplace which are cost competitive with conventional energy systems.
  • The papers presented in this volume provide an overview of current research in the area of high-temperature superconductivity. Topics discussed include superconductivity near 90 K in the Lu-Ba-Cu-O system, Josephson effects in Ba-Y-Cu-O compounds, electronic properties of La(2-x)Sr(x)CuO/sub 4/ high-Tc superconductors, and X-ray absorption studies of La(2-x)(Ba,Sr)xCuO/sub 4/ superconductors. Papers are also presented on critical temperatures of superconductors with low dimensionality, thermoelectric power of some high-Tc oxides, thin superconducting oxide films, and tunneling measurements of the energy gap in Y-Ba-Cu-O.
  • Possible ways of radically raising the critical temperature of superconductors are investigated. The exciton mechanism, electronphonon mechanism, three-dimensional quasiisotropic system, and theory, dielectric formalism, of superconductivity, electronic phase transitions and lattice stability in metals are presented. Quasi-one and quasi-two dimensional compounds, ''sandwich'' type and nonequilibrium systems are discussed.
  • Possible methods of significantly raising the critical temperature of superconductors are presented, and the physical properties of applicable systems are examined. A review of the problems of high-temperature superconductivity is presented, and critical temperature considerations are given. In addition, attention is given to electron-phonon interaction in metals and lattice stability problems, superconductivity in three-dimensional quasi-isotropic systems, and possible increases in critical temperature due to structural-transition-induced electron spectrum changes. Finally, other topics discussed include electronic properties and superconductivity of layered crystals, properties of systems with one-dimensional anisotropy, sandwich type superconducting systems, and superconductivity under nonequilibrium conditions.
  • This book discusses development in oxide materials with high superconducting transition temperature. Systems with Tc well above liquid nitrogen temperature are already a reality and higher Tc's are anticipated. The author discusses how the idea of a room-temperature superconductor appears to be a distinctly possible outcome of materials research.