Possibility of Phonon-Assistance on Electronic Transport and the Cooper Pairing in Oxide Superconductors (Special Issue on High-Temperature Superconducting Electronics)

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概要

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• The Cooper pairing interaction in high T_c oxide superconductor is discussed in terms of an empirical expression; T_c=θ_Dexp[-1/g], g=c・ω_0 which was derived in our previous investigation. The dual character of this expression consisting of the phonon Debye temperature θ_D and electronic excitation &plank;ω_0 in the mid-infrared region can be interpreted on the basis of the phonon-assisted mechanism on carrier conduction and the electronic excitation. A tunneling spectrum here presented shows certain evidence of the phonon contribution. The characteristics of the long range superconductive proximity phenomena recently reported are also may be interpreted by this mechanism.

• 社団法人電子情報通信学会の論文
• 1993-08-25

著者

• Aoki Ryozo

  Faculty Of Engineering Osaka University

• Murakami Hironaru

  Faculty Of Engineering Osaka University

• Nakamura Tetsuro

  Faculty of Engineering, Tokyo Institute of Technology

• Nakamura Tetsuro

  Faculty Of Engineering Tokyo Institute Of Technology

関連論文

• Epitaxial Growth of Bi(2201) Phase in Atomic Layer-by-Layer Deposition by Ion Beam Sputtering Method (Special Issue on High-Temperature Superconducting Electronics)
• Possibility of Phonon-Assistance on Electronic Transport and the Cooper Pairing in Oxide Superconductors (Special Issue on High-Temperature Superconducting Electronics)
• Investigations of Gap Anisotropy of Bi_2Sr_2CaCu_2O_x Single Crystal by Electron Tunneling (Special Issue on High-Temperature Superconducting Electronics)
• VLSI-Oriented Multiple-Valued Current-Mode Arithmetic Circuits Using Redundant Number Representations (Special Issue on Multiple-Valued Integrated Circuits)

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