Effect of Mg codoping on Eu3+ luminescence in GaN grown by ammonia molecular beam epitaxy

被引：32

作者：

Takagi, Yasufumi ^{[1
]}

Suwa, Takanobu ^{[2
]}

Sekiguchi, Hiroto ^{[2
]}

Okada, Hiroshi ^{[2
,3
]}

Wakahara, Akihiro ^{[2
]}

机构：

[1] Hamamatsu Photon KK, Cent Res Lab, Shizuoka 4348601, Japan

[2] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Aichi 4418580, Japan

[3] Toyohashi Univ Technol, Elect Inspired Interdisciplinary Res Inst EIIRIS, Aichi 4418580, Japan

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 17期

关键词：

ER-IMPLANTED GAN; IONS;

D O I：

10.1063/1.3656018

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of Mg codoping on the Eu3+ luminescence in GaN was investigated by photoluminescence measurements. Two notable emission peaks associated with the D-5(0) --> F-7(2) transition in the Eu3+ ions were governed by Mg codopants, which corresponded to the change of the dominant peak wavelength from 622.3 to 620.3 nm with an increase in Mg concentration. An optimal amount of Mg also led to enhancement of approximately 20 times of the Eu3+ luminescence. These results indicated that the Mg codopants selectively activated the optical site of 620.3 nm emission due to the elimination of nonradiative deexcitation paths from the D-5(0) state. (C) 2011 American Institute of Physics. [doi:10.1063/1.3656018]

引用

页数：3

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