Intense violet–blue emission and paramagnetism of nanocrystalline GdSuperscript3+/Superscript doped ZnO ceramics

S. Sambasivam; D. Paul Joseph; S. Asiri Naidu; K. N. Hui; K. S. Hui; B. C. Choi

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Intense violet–blue emission and paramagnetism of nanocrystalline GdSuperscript3+/Superscript doped ZnO ceramics

机译：纳米Gd 3 + 掺杂ZnO陶瓷的强烈蓝紫色发射和顺磁性

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Nanocrystalline Zn1-xGdxO (x = 0, 0.02, 0.04, 0.06, and 0.08) ceramics were synthesized by ball milling and subsequent solid-state reaction. The transmission electron microscopy (TEM) micrograph of as synthesized samples revealed the formation of crystallites with an average diameter of 60 nm, and the selected area electron diffraction (SAED) pattern confirmed the formation of wurtzite structure. A red shift in the band gap was observed with increasing Gd3+ concentration. The photoluminescence of nanocrystalline Gd3+ doped ZnO exhibited a strong violet–blue emission. Concentration dependence of the emission intensity of Gd3+ in ZnO was studied, and the critical concentration was found to be 4 mol% of Gd3+. The Gd3+ doped ZnO exhibited paramagnetic behavior at room temperature, and the magnetic moment increased with Gd3+ concentration.

机译：通过球磨和随后的固态反应合成了纳米晶Zn1-xGdxO（x = 0、0.02、0.04、0.06和0.08）陶瓷。合成样品的透射电子显微镜（TEM）显微照片揭示了平均直径为60 nm的微晶的形成，并且选择区域电子衍射（SAED）图案证实了纤锌矿结构的形成。随着Gd3 +浓度的增加，带隙出现红移。掺杂Gd3 +的纳米晶体ZnO的光致发光表现出强烈的紫蓝色发射。研究了ZnO中Gd3 +的发射强度的浓度依赖性，发现临界浓度为Gd3 +的4摩尔％。 Gd3 +掺杂的ZnO在室温下表现出顺磁行为，并且磁矩随Gd3 +浓度的增加而增加。

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《Journal of Advanced Ceramics》 |2015年第4期|共7页
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S. Sambasivam; D. Paul Joseph; S. Asiri Naidu; K. N. Hui; K. S. Hui; B. C. Choi;
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1. Intense violet-blue emission and paramagnetism of nanocrystalline Gd^(3+) doped ZnO ceramics [J] . S.SAMBASIVAM, D.PAUL JOSEPH, S.ASIRI NAIDU, 先进陶瓷（英文版） . 2015,第004期

机译：纳米晶体Gd ^（3+）掺杂Zno陶瓷的强烈紫色 - 蓝色排放和顺磁性
2. Defect based violet-blue emission of Mg doped ZnO annealed at different temperatures [J] . Zein K. Heiba, Mohamed Bakr Mohamed, N. G. Imam Journal of materials science . 2015,第9期

机译：在不同温度下退火的掺Mg的ZnO的基于缺陷的紫蓝色发射
3. Violet-blue-green emission and shift in Mg-doped ZnO films with different ratios of oxygen to argon gas flow [J] . Haixia Chen, Jijun Ding, Wenge Guo, Applied Surface Science . 2012,第24期

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机译：通过简单的燃烧技术通过简单的燃烧技术进行GD掺杂ZnO纳米颗粒对蓝色发射的调整
5. Light Emission and Slot Waveguide Effect in erbium-doped silicon dioxide/silicon nanocrystalline Multilayer Structures. [D] . Fu, Yijing. 2012

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6. Intense stable and excitation wavelength-independent photoluminescence emission in the blue-violet region from phosphorene quantum dots [O] . Shuaipeng Ge, Lisheng Zhang, Peijie Wang, -1

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7. Intense violet–blue emission and paramagnetism of nanocrystalline Gd3+ doped ZnO ceramics [O] . S. Sambasivam, D. Paul Joseph, S. Asiri Naidu, 2015

机译：纳米晶Gd3 +掺杂ZnO陶瓷的强烈蓝紫色发射和顺磁性
8. Doping Asymmetry Problem in ZnO: Current Status and Outlook. A Review of Experimental and Theoretical Efforts Focused on Achieving P-Type ZnO Suitable for Light-Emitting Optoelectronic Devices for the Blue/Ultraviolet Spectral Range [R] . Avrutin, V., Silversmith, D., Morkoc, H. 2009

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Intense violet–blue emission and paramagnetism of nanocrystalline GdSuperscript3+/Superscript doped ZnO ceramics

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