Luminescence mechanism and energy level structure of Eu-doped GaN powders investigated by cathodolum

来源 :中国科学：物理学、力学、天文学英文版 | 被引量 : 0次 | 上传用户：wuzhaoan

【摘要】

：

1.5at% Eu-doped GaN powders were prepared by a co-precipitation method.Powder X-ray diffraction(XRD)results shows that there is only the wurtzite phase.Cathodol

【作者】

：

WANG XaaoDan ZENG XlongHui XU

【机构】

：

DepartmentofPhysics,SuzhouInstituteofNano-techandNano-bionics

【出处】

：

中国科学：物理学、力学、天文学英文版

【发表日期】

：

2014年4期

【关键词】

：

发光机理发光光谱 GAN 能级结构阴极铕掺杂液氮温度粉体 Eu GaN energy level spectrum

【基金项目】

：

supported by the National Natural Science Foundation of China（Grant Nos.51002179 and 61306004）, the Natural Science Fund of Jiangsu Province（Grant No.BK20130263）, the Instruments Function Innovation o

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

1.5at% Eu-doped GaN powders were prepared by a co-precipitation method.Powder X-ray diffraction(XRD)results shows that there is only the wurtzite phase.Cathodoluminescence spectra were measured at room temperature and liquid nitrogen temperature,respectiv

其他文献

Can FSRQs produce the IceCube detected diffuse neutrino emission？

Ice Cube has reported the detection of a diffuse Te V-Pe V neutrino emission, for which the flat spectrum radio quasars(FSRQs) have been proposed to be the cand

期刊

中微子通量冰块检测发射生产伽马射线射电类星体光子产生neutrinos gamma rays active and peculiar gal

Mode selection of Lamb waves for the evaluation of solid plates with liquid loading

This paper studies the mode selection of Lamb waves for evaluating solid plates with liquid loading. For this purpose, the Lamb wave selected should have the fe

期刊

LAMB波板材液体装载评价位移分量兰姆波纵波速度lamb waves mode selection solid plate liquid

Plasma density evolution in plasma opening switch obtained by a time-resolved sensitive He-Ne inter

To understand the formation process of vacuum gap in coaxial microsecond conduction time plasma opening switch(POS),we have made measurements of the line-integr

期刊

等离子体断路开关等离子体密度时间分辨干涉仪敏感径向位置POS机进化plasma opening switch interferometer

Characterization of thermal-shock cracks in ceramic bars

当使遭到了到热吃惊时，在对熄灭的水随后的陶艺裂开的试验性的分析被进行了澄清在陶艺裂开的无常。这里的结果在批评的点显示那熄灭到达的温度，裂缝密度和深度最小和最大值分别

期刊

裂纹密度陶瓷棒热冲击表征淬火温度实验分析非确定性温度升高thermal-shock crack ceramics

Effective spin dephasing mechanism in confined two-dimensional topological insulators

A Kramers pair of helical edge states in quantum spin Hall effect(QSHE) is robust against normal dephasing but not robust to spin dephasing. In our work, we pro

期刊

量子自旋退相干绝缘体二维拓扑机制电子-声子相互作用时间反演对称性quantum spin Hall effect bound helical

New achievements from CE-3 mission

<正>The Chang'E-3(CE-3)mission began with a smooth countdown and flawless launch on the Long March 3B rocket from the Xichang satellite launch center at 01:

期刊

Diluted ferromagnetic semiconductor（LaCa）（ZnMn）SbO isostructural to “1111” type iron pnictide superc

We report discovery of ferromagnetism in(LaCa)(ZnMn)SbO isostructural to the well-studied iron-based superconductor LaFeAs(O1 xFx).Spin is induced by partial su

期刊

稀释磁性半导体超导体结构铁系反常霍尔效应居里温度霍尔系数铁磁性semiconductor ＂1111＂ type structure dilut

Reduction of phonon thermal conduction in isotopic graphene nanoribbon superlattices

<正>Graphene nanoribbons(GNR_s)recently have drawn much interest because of their novel electronic properties such as well-controlled electronic structures[1],h

期刊

热传导纳米带石墨声子超晶格同位素SEEBECK系数电子结构

Application of aluminum foil for ＂strain sensing＂ at fatigue damage evaluation of carbon fiber comp

Surface layer of a loaded solid is an individual structural level of deformation that was shown numerously within concept of physical mesomechanics.This gives r

期刊

碳纤维复合材料应变传感器疲劳试验应用损伤评估铝箔物理细观力学循环变形fatigue carbon fiber composite strai

Energy exchange process among multiple filamentary femtosecond laser beams in air

期刊

能量交换双光束飞秒激光交换过程受激拉曼散射空气丝状等离子体

Luminescence mechanism and energy level structure of Eu-doped GaN powders investigated by cathodolum

与本文相关的学术论文