Effect of DC poling on transparency and photoluminescence in Pr:PMN-PT transparent ceramics

被引：0
|
作者：
Guo, Pengkun [1 ]
Wang, Yanan [1 ]
Zhu, Lin [1 ]
Zhang, Yongcheng [1 ]
Qin, Yalin [1 ]
机构：
[1] Qingdao Univ, Univ Shandong, Coll Phys, Key Lab Photon Mat & Technol, Qingdao 266071, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2024年 / 994卷
基金：
中国国家自然科学基金;
关键词：
Direct current poling; Transparent ceramics; Domain structure; Photoluminescence; Pr -doped PMN-PT; INTENSITIES;
D O I：
10.1016/j.jallcom.2024.174739
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Electric poling could significantly influence the transparency and the photoluminescence (PL) intensities in transparent ferroelectric PL ceramics. This work applied direct current (DC) poling on a highly transparent 0.75PMN-0.25PT:0.015Pr 3 + ceramic, observed the domain configurations in a direction perpendicular to poling direction. Lamellar domains perpendicular to electric field were observed after poling and decreased the transmittance by changing the propagation path of incident light. Besides, the enhancement of PL intensities by poling was found as high as 62 %, mainly due to the following reasons: the change of light propagation path by the lamellar domains is supposed to increase the absorption of exciting light; and the reduced crystal symmetry may increase the PL efficiency. This work revealed the effects of DC poling on transparency and PL properties in transparent ferroelectric PL ceramics.
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页数：6
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