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Laser-heating and phonon modes in YBa2Cu3Ox

 

作者: L. Gasparov,  

 

期刊: Radiation Effects and Defects in Solids  （Taylor Available online 1995）
卷期: Volume 137, issue 1-4  

页码: 331-335

 

ISSN:1042-0150

 

年代: 1995

 

DOI:10.1080/10420159508222746

 

出版商: Taylor & Francis Group

 

关键词: High temperature superconductors;Raman scattering;laser-heating;ordering

 

数据来源: Taylor

 

摘要:

The influence of temperature and pump power on phonon modes in YBa2Cu3Ox, was investigated. The Raman spectra of the YBa2Cu3O6.4single crystal measured after laser-heating (488 nm, P ≤ 2.5 mWt/μm2) show a decrease of linewidth and frequency of A, apex oxygen mode. The experimental results can be explained as an ordering of chain-oxygen vacancies.

 

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