Thermomchromic Reaction-Induced Reversible Upconversion Emission Modulation for Switching Devices and Tunable Upconversion Emission Based on Defect Engineering of WO3:Yb3+,Er3+ Phosphor

2018 ◽  
Vol 10 (17) ◽  
pp. 14941-14947 ◽  
Author(s):  
Jiufeng Ruan ◽  
Zhengwen Yang ◽  
Anjun Huang ◽  
Hailu Zhang ◽  
Jianbei Qiu ◽  
...  
Keyword(s):  
Upconversion Emission ◽  
Defect Engineering ◽  
Emission Modulation ◽  
Switching Devices

Laser induced thermochromism and reversible upconversion emission modulation of a novel WO3:Yb3+,Er3+ ceramic: dual-modal fingerprint acquisition application

2020 ◽  
Vol 383 ◽  
pp. 123180 ◽  
Author(s):  
Jiufeng Ruan ◽  
Zhengwen Yang ◽  
Yugeng Wen ◽  
Mingjun Li ◽  
Youtao Ren ◽  
...  
Keyword(s):  
Upconversion Emission ◽  
Emission Modulation

scholarly journals Recent advances in upconversion emission modulation of rare earth nanocrystals

2020 ◽  
Vol 50 (11) ◽  
pp. 1560-1574
Author(s):  
Chun-Hua Yan ◽  
Sheng Mei ◽  
Ling-Dong Sun ◽  
Hao Dong
Keyword(s):  
Rare Earth ◽  
Upconversion Emission ◽  
Recent Advances ◽  
Emission Modulation

Broadband Slow Light and Nonlinear Switching Devices

PIERS Online ◽  
2007 ◽  
Vol 3 (3) ◽  
pp. 281-285 ◽  
Author(s):  
Gunnar Boettger ◽  
J.-M. Brosi ◽  
A. Maitra ◽  
J. Wang ◽  
A. Y. Petrov ◽  
...  
Keyword(s):  
Slow Light ◽  
Nonlinear Switching ◽  
Switching Devices

Engineering Porosity Through Defects in a Giant Pore Metal–Organic Framework

2020 ◽  
Author(s):  
Adam Sapnik ◽  
Duncan Johnstone ◽  
Sean M. Collins ◽  
Giorgio Divitini ◽  
Alice Bumstead ◽  
...  
Keyword(s):  
Distribution Function ◽  
Ball Milling ◽  
Local Structure ◽  
Pair Distribution Function ◽  
Function Analysis ◽  
Metal Organic Framework ◽  
Metal Organic Frameworks ◽  
Defect Engineering ◽  
Metal Organic ◽  
Unsaturated Metal Sites

<p>Defect engineering is a powerful tool that can be used to tailor the properties of metal–organic frameworks (MOFs). Here, we incorporate defects through ball milling to systematically vary the porosity of the giant pore MOF, MIL-100 (Fe). We show that milling leads to the breaking of metal–linker bonds, generating more coordinatively unsaturated metal sites, and ultimately causes amorphisation. Pair distribution function analysis shows the hierarchical local structure is partially</p><p>retained, even in the amorphised material. We find that the solvent toluene stabilises the MIL-100 (Fe) framework against collapse and leads to a substantial rentention of porosity over the non-stabilised material.</p>

Defect engineering in SiC technology for high-voltage power devices

2020 ◽  
Vol 13 (12) ◽  
pp. 120101
Author(s):  
Tsunenobu Kimoto ◽  
Heiji Watanabe
Keyword(s):  
High Voltage ◽  
Defect Engineering ◽  
Power Devices
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