Results 201 to 210 of about 14,666,949 (243)

High Temperature Superconductivity

Nature Reviews Physics, 2021
Despite decades of intense theoretical, experimental and computational effort, a microscopic theory of high-temperature superconductivity is not yet established.
D P Tunstall, W Barford, P Osborne
core   +4 more sources

The Quest for High-Temperature Superconductivity in Nickelates under Ambient Pressure [PDF]

Materials
Ivan Bozovic, Bozovic Ivan
exaly   +2 more sources

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High-temperature superconducting resonators

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1992
Preliminary measurements on high-T(c) superconducting resonators are reported and why they are attractive candidates for incorporation in low-noise oscillators is discussed. Some of the important contributions to oscillator noise are reviewed and how they depend on the resonator parameters is shown. A preliminary YBaCu (3)O(7)/LaAlO(3) resonator with a
R C, Taber, J N, Hollenhorst, L S, Cutler, T L, Bagwell, N, Newman, B F, Cole   +5 more
openaire   +2 more sources

High-Temperature Superconductivity

Physics Today, 1991
One can argue that superconductivity in “the oxides” was discovered in 1964, 1986 or 1987, depending on which oxide is chosen: the first to show superconductivity at any temperature, the first with a Tc greater than 20 K or the first with a Tc greater than 77 K.
Mary E DeWeese, Mary E DeWeese
  +5 more sources

Mechanism for high-temperature superconductivity

Physical Review B, 1988
An explanation of the mechanism for high-temperature superconductivity is given, based upon a strong-coupling analysis of the extended Hubbard model previously introduced by one of us. The basic carriers are oxygen-hole quasiparticles in p\ensuremath{\sigma} orbitals, whose spin is strongly correlated with that of adjacent copper holes.
, Emery, , Reiter
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High temperature superconductivity in ceruloplasmin

Physica C: Superconductivity, 1988
Abstract Some experimental evidences of the occurrence of High-Temperature Superconductivity (T c ≅ 135 °K) in thermally stored Ceruloplasmin are reported and compared with the AG theory. Interpretation in terms of the GKG model of “Excitonic Superconductivity” leads to a consistent picture of the phenomenon.
GIAQUINTA G, FALCI, Giuseppe, FAZIO R, ONORI S, CANNISTRARO S.   +4 more
openaire   +1 more source

Plasmons and high-temperature superconductivity

Physical Review B, 1989
Long-wavelength charge fluctuation models are constructed for 1:2:3 superconductors. These include planar plasmons (..omega..approx. ..sqrt..q ) plus numerous acoustical plasmons (..omega..approx.q). We show that these modes do not cause pairing of electrons into a superconductor state.
, Mahan, , Wu
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High temperature superconductivity

Journal of Polymer Science Part C: Polymer Symposia, 1970
AbstractThe critical temperature, Tc, for all presently known superconductors does not exceed 21'K. This fact obviously limits the range of applications of superconductivity in technology in a very fundamental way. On the whole, the reason why the value of Tc for “ordinary” superconductors would not exceed 20‐40oK is fairly well understood. At the same
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High Temperature Superconducting Oxide Films

IEEE Transactions on Components, Hybrids, and Manufacturing Technology, 1988
The authors used sputter deposition with single oxide targets and metal molecular beam epitaxy to prepare thin films of the high-T/sub c/ oxide Y-Ba-Cu-O superconductor. The processing parameters, the structural characteristics, and the transport properties of the films are reported. The authors also discuss the microstructures of superconducting Y/sub
M. Hong, J. Kwo, C.H. Chen
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The problem of high temperature superconductivity

Contemporary Physics, 1968
Abstract The critical temperature, T c, for all presently known superconductors does not exceed 20°K. This fact obviously limits the range of applications of superconductivity in technology in a very fundamental way. On the whole, the reason why the value of T c for ‘ordinary’ superconductors should not exceed 20–40 °K is fairly well understood on the ...
openaire   +1 more source