Intrinsic defect related luminescence in ZrO2

被引：104

作者：

Smits, K. ^{[1
]}

Grigorjeva, L. ^{[1
]}

Millers, D. ^{[1
]}

Sarakovskis, A. ^{[1
]}

Grabis, J. ^{[2
]}

Lojkowski, W. ^{[3
]}

机构：

[1] Univ Latvia, Inst Solid State Phys, Riga, Latvia

[2] Riga Tech Univ, Inst Inorgan Chem, Salaspils, Latvia

[3] Polish Acad Sci, Inst High Pressure Phys, Warsaw, Poland

来源：

JOURNAL OF LUMINESCENCE | 2011年 / 131卷 / 10期

关键词：

Luminescence; ZrO2; Nanocrystals; Yttrium stabilized ZrO2; OXYGEN VACANCIES; ZIRCONIA; PHOTOLUMINESCENCE; EXCITATION; SENSORS; STATE; FILMS; DECAY; METAL; HFO2;

D O I：

10.1016/j.jlumin.2011.05.018

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The studies of ZrO2 and yttrium stabilized ZrO2 nanocrystals luminescence as well as yttrium stabilized single crystal luminescence and induced absorption showed that the intrinsic defects are responsible for luminescence at room temperature. These defects form a quasi-continuum of states in ZrO2 band gap and are the origin of the luminescence spectrum dependence on the excitation energy. Luminescence centers are oxygen vacancies related but not the vacancies themselves. At room temperature, in ZrO2, deep traps for electrons and holes exist. The oxygen vacancies are proposed to be the traps for electrons. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2058 / 2062

页数：5

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