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Decay kinetics and thermoluminescence of PbWO4:La3+

 

作者: M. Nikl,   P. Boha¨c˘ek,   K. Nitsch,   E. Mihokova´,   M. Martini,   A. Vedda,   S. Croci,   G. P. Pazzi,   P. Fabeni,   S. Baccaro,   B. Borgia,   I. Dafinei,   M. Diemoz,   G. Organtini,   E. Auffray,   P. Lecoq,   M. Kobayashi,   M. Ishii,   Y. Usuki,  

 

期刊: Applied Physics Letters  （AIP Available online 1997）
卷期: Volume 71, issue 26  

页码: 3755-3757

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.120409

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Correlated measurements of emission spectra, photoluminescence and scintillation decays, thermoluminescence, and light yield were performed on a selected set of undoped and La-doped PbWO4single crystals. The samples were grown from5Npurity raw powders and show the blue emission component only. Distinct influence of La doping was found in the decays, thermoluminescence and light yield characteristics. It is discussed in the light of the direct influence of La doping on suppressing the creation of point defect centers in the PbWO4lattice, which are involved in the energy transfer and storage processes in this material. ©1997 American Institute of Physics.

 

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