A New Mechanism For Superconductivity | Zendy

Dewar Michael J. S. | Zendy

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A New Mechanism For Superconductivity

Author(s) -

Dewar Michael J. S.

Publication year - 1987

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198712731

Subject(s) - superconductivity , lattice vibration , condensed matter physics , metal , lattice (music) , chemistry , materials science , crystallography , physics , metallurgy , phonon , acoustics

The interplay of two Cu‐O vibrations in YBa 2 Cu 3 O 7 could–at least‐qualitatively–not only explain the surprisingly high critical temperature of this material but also the sensitivity of the critical temperature towards magnetic fields and 16 O/ 18 O isotopic exchange. Important is a linear arrangement of metal atoms in two oxidation states (e.g. Cu II /Cu III ), in'which two coordinated lattice vibrations lead to (directed) electron hopping.

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