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Journal Articles

Spectral proper orthogonal decomposition analysis of a spatially developing underexpanded round jet at Re  =  45 000

Editor’s Pick
Rui Wang (王锐), Feng Wu (吴锋), Haoqi Fei (费浩锜), Xiaojing Wang (王晓晶), Hui Xu (徐辉)
Journal: Physics of Fluids
Physics of Fluids 36, 105195 (2024)
https://doi.org/10.1063/5.0232434
Published: October 2024
View article titled, Spectral proper orthogonal decomposition analysis of a spatially developing underexpanded round jet at Re  =  45 000
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Journal Articles

Weakly nonlinear incompressible Rayleigh–Taylor–Kelvin–Helmholtz instability in plane geometry

Zhen-Qi Zou, Jun-Feng Wu, Guo-Wei Yang, Li-Feng Wang, Wei-Yan Zhang
Journal: Physics of Plasmas
Phys. Plasmas 31, 082103 (2024)
https://doi.org/10.1063/5.0216178
Published: August 2024
View article titled, Weakly nonlinear incompressible Rayleigh–Taylor–Kelvin–Helmholtz instability in plane geometry
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Journal Articles

Dislocation half-loop control for optimal V-defect density in GaN-based light emitting diodes

Alejandro Quevedo, Feng Wu, Tsung-Yin Tsai, Jacob J. Ewing, Tanay Tak, Srinivas Gandrothula, Stephen Gee, Xianqing Li, Shuji Nakamura, Steven P. DenBaars, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 042104 (2024)
https://doi.org/10.1063/5.0217727
Published: July 2024
View article titled, Dislocation half-loop control for optimal V-defect density in GaN-based light emitting diodes
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Journal Articles

Carrier diffusion in long wavelength InGaN quantum well LEDs after injection through V-defects

Rinat Yapparov, Tanay Tak, Jacob Ewing, Feng Wu, Shuji Nakamura, Steven P. DenBaars, James S. Speck, Saulius Marcinkevičius
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 031108 (2024)
https://doi.org/10.1063/5.0215336
Published: July 2024
View article titled, Carrier diffusion in long wavelength InGaN quantum well LEDs after injection through V-defects
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Journal Articles

Erratum: “Planarization of p-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs” [Appl. Phys. Lett. 124 , 172102 (2024)]

Tanay Tak, Alejandro Quevedo, Feng Wu, Srinivas Gandrothula, Jacob J. Ewing, Stephen Gee, Shuji Nakamura, Steven P. DenBaars, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 199901 (2024)
https://doi.org/10.1063/5.0215569
Published: May 2024
View article titled, Erratum: “Planarization of <em>p</em>-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs” [Appl. Phys. Lett. 124 , 172102 (2024)]
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Journal Articles

Dynamics of carrier injection through V-defects in long wavelength GaN LEDs

Saulius Marcinkevičius, Tanay Tak, Yi Chao Chow, Feng Wu, Rinat Yapparov, Steven P. DenBaars, Shuji Nakamura, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 181108 (2024)
https://doi.org/10.1063/5.0206357
Published: May 2024
View article titled, Dynamics of carrier injection through V-defects in long wavelength GaN LEDs
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Journal Articles

Planarization of p-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs

Tanay Tak, Alejandro Quevedo, Feng Wu, Srinivas Gandrothula, Jacob J. Ewing, Stephen Gee, Shuji Nakamura, Steven P. DenBaars, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 172102 (2024)
https://doi.org/10.1063/5.0200424
Published: April 2024
View article titled, Planarization of <em>p</em>-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs
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Journal Articles

On the local aspect of valley magnetic moments

Zheng-Han Huang, Feng-Wu Chen, Yu-Shu G. Wu
Journal: AIP Advances
AIP Advances 14, 035236 (2024)
https://doi.org/10.1063/5.0198648
Published: March 2024
View article titled, On the local aspect of valley magnetic moments
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Journal Articles

Polarization-insensitive and polarization-controlled dual-band third-harmonic generation in silicon metasurfaces driven by quasi-bound states in the continuum

Meng Qin, Gangao Wei, Hangsheng Xu, Ruize Ma, Hongju Li, Weiqing Gao, Jianqiang Liu, Feng Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 051703 (2024)
https://doi.org/10.1063/5.0187055
Published: February 2024
View article titled, Polarization-insensitive and polarization-controlled dual-band third-harmonic generation in silicon metasurfaces driven by quasi-bound states in the continuum
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Journal Articles

10.6% external quantum efficiency germicidal UV LEDs grown on thin highly conductive n-AlGaN

Michael Wang, Feng Wu, Yifan Yao, Christian Zollner, Michael Iza, Michael Lam, Steven P. DenBaars, Shuji Nakamura, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 231101 (2023)
https://doi.org/10.1063/5.0165328
Published: December 2023
View article titled, 10.6% external quantum efficiency germicidal UV LEDs grown on thin highly conductive n-AlGaN
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Includes: Supplementary data
Journal Articles

Experimental evidence of hole injection through V-defects in long wavelength GaN-based LEDs

Saulius Marcinkevičius, Jacob Ewing, Rinat Yapparov, Feng Wu, Shuji Nakamura, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 201102 (2023)
https://doi.org/10.1063/5.0179513
Published: November 2023
View article titled, Experimental evidence of hole injection through V-defects in long wavelength GaN-based LEDs
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Journal Articles

Numerical investigation of the self-induced unsteadiness phenomenon in the impeller of a high-loading centrifugal compressor

Zi-Liang Li (李子良), Hong-Zhi Cheng (程泓智), Yun-Feng Wu (吴云峰), Xin-Gen Lu (卢新根), Ge Han (韩戈)
Journal: Physics of Fluids
Physics of Fluids 35, 106119 (2023)
https://doi.org/10.1063/5.0167557
Published: October 2023
View article titled, Numerical investigation of the self-induced unsteadiness phenomenon in the impeller of a high-loading centrifugal compressor
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Journal Articles

Stability transition of a solute-stratified fluid in a vertical slot imposed with a horizontal temperature gradient

Cheng-Feng Wu (吳承峰), Falin Chen (陳發林)
Journal: Physics of Fluids
Physics of Fluids 35, 094121 (2023)
https://doi.org/10.1063/5.0166269
Published: September 2023
View article titled, Stability transition of a solute-stratified fluid in a vertical slot imposed with a horizontal temperature gradient
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Journal Articles

Origins of the high-energy electroluminescence peaks in long-wavelength (∼495–685 nm) InGaN light-emitting diodes

Yi Chao Chow, Tanay Tak, Feng Wu, Jacob Ewing, Shuji Nakamura, Steven P. DenBaars, Yuh-Renn Wu, Claude Weisbuch, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 091103 (2023)
https://doi.org/10.1063/5.0167779
Published: August 2023
View article titled, Origins of the high-energy electroluminescence peaks in long-wavelength (∼495–685 nm) InGaN light-emitting diodes
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Includes: Supplementary data
Journal Articles

Atomic layer etching (ALE) of III-nitrides

Wan Ying Ho, Yi Chao Chow, Zachary Biegler, Kai Shek Qwah, Tanay Tak, Ashley Wissel-Garcia, Iris Liu, Feng Wu, Shuji Nakamura, James S. Speck
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 062102 (2023)
https://doi.org/10.1063/5.0159048
Published: August 2023
View article titled, Atomic layer etching (ALE) of III-nitrides
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Journal Articles

Effect of combining multi-jet component with axial swirl blade on evaporation in a spouted bed

Xuefeng Liu (刘雪峰), Rong Guo (郭蓉), Feng Wu (吴峰), Xinxin Che (车馨心), Renbo Wei (危仁波)
Journal: Physics of Fluids
Physics of Fluids 35, 033308 (2023)
https://doi.org/10.1063/5.0138735
Published: March 2023
View article titled, Effect of combining multi-jet component with axial swirl blade on evaporation in a spouted bed
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Journal Articles

Structure of V-defects in long wavelength GaN-based light emitting diodes

Feng Wu, Jacob Ewing, Cheyenne Lynsky, Michael Iza, Shuji Nakamura, Steven P. DenBaars, James S. Speck
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 035703 (2023)
https://doi.org/10.1063/5.0135278
Published: January 2023
View article titled, Structure of V-defects in long wavelength GaN-based light emitting diodes
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Journal Articles

Improved wall-plug efficiency of III-nitride tunnel junction micro-light-emitting diodes with AlGaN/GaN polarization charges

Matthew S. Wong, Aditya Raj, Hsun-Ming Chang, Vincent Rienzi, Feng Wu, Jacob J. Ewing, Emily S. Trageser, Stephen Gee, Nathan C. Palmquist, Philip Chan, Ji Hun Kang, James S. Speck, Umesh K. Mishra, Shuji Nakamura, Steven P. DenBaars
Journal: AIP Advances
AIP Advances 13, 015107 (2023)
https://doi.org/10.1063/5.0131142
Published: January 2023
View article titled, Improved wall-plug efficiency of III-nitride tunnel junction micro-light-emitting diodes with AlGaN/GaN polarization charges
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Journal Articles

High-precision muography in archaeogeophysics: A case study on Xi’an defensive walls

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Guorui Liu, Xujia Luo, Heng Tian, Kaiqiang Yao, Feiyun Niu, Long Jin, Jinlei Gao, Jian Rong, Zhiqiang Fu, Youxin Kang, Yuanyong Fu, Chun Wu, Heng Gao, Jiangbo Gong, Weixiong Zhang, Xiaogang Luo, Chunxian Liu, Xiangsheng Tian, Minghai Yu, Feng Wu, Jingjing Chen, Juntao Liu, Zhiyi Liu
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 014901 (2023)
https://doi.org/10.1063/5.0123337
Published: January 2023
View article titled, High-precision muography in archaeogeophysics: A case study on Xi’an defensive walls
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Journal Articles

Quasi-bound state in the continuum supported by a compound grating waveguide structure for high-figure-of-merit refractive-index sensing

Feng Wu, Meibao Qin, Shuyuan Xiao
Journal: Journal of Applied Physics
J. Appl. Phys. 132, 193101 (2022)
https://doi.org/10.1063/5.0120626
Published: November 2022
View article titled, Quasi-bound state in the continuum supported by a compound grating waveguide structure for high-figure-of-merit refractive-index sensing
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