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Phonon spectrum of Bi2223 for different carrier concentrations

 

作者: V. M. Svistunov,   V. Yu. Tarenkov,   A. I. D’yachenko,   R. Aoki,  

 

期刊: Low Temperature Physics  （AIP Available online 1998）
卷期: Volume 24, issue 7  

页码: 507-509

 

ISSN:1063-777X

 

年代: 1998

 

DOI:10.1063/1.593618

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Tunneling experiments with Bi2223 reveal that a decrease in the carrier concentration shifts the boundary frequency&ohgr;0of the cuprate phonon spectrum towards higher frequencies from&ohgr;0=98 mV(Tc=113 K)to&ohgr;0=106 mV(Tc=107 K)with an insignificant suppression of the energy gap parameter &Dgr;. ©1998 American Institute of Physics.

 

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