EDITORIALS
Optical nanoprobe imaging and spectroscopy 
In Special Collection: Optical Nanoprobe Spectroscopy and Imaging
Markus B. Raschke; Mathias Schubert; Prineha Narang; Alex Paarman
Appl. Phys. Lett. 123, 230401 (2023) https://doi.org/10.1063/5.0186788
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View articletitled, Optical nanoprobe imaging and spectroscopy
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PERSPECTIVES

Integrated photonics beyond communications 
Chong Zhang; Minh A. Tran; Zeyu Zhang; Ali E. Dorche; Yang Shen; Boqiang Shen; Kaustubh Asawa; Glenn Kim; Nathan Kim; Frank Levinson; John E. Bowers; Tin Komljenovic
Appl. Phys. Lett. 123, 230501 (2023) https://doi.org/10.1063/5.0184677
Abstract
View articletitled, Integrated photonics beyond communications
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PHOTONICS AND OPTOELECTRONICS

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
Appl. Phys. Lett. 123, 231101 (2023) https://doi.org/10.1063/5.0165328
Abstract
View articletitled, 10.6% external quantum efficiency germicidal UV LEDs grown on thin highly conductive n-AlGaN
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How backreflection contributes to light absorption for high-performance radial junction photovoltaics 
Shaobo Zhang; Shuyi Wang; Ruijin Hu; Yunqing Cao; Junzhuan Wang; Jun Xu; Linwei Yu
Appl. Phys. Lett. 123, 231102 (2023) https://doi.org/10.1063/5.0174700
Abstract
View articletitled, How backreflection contributes to light absorption for high-performance radial junction photovoltaics
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SURFACES AND INTERFACES

Water/ice mixture- and freezing-front motion in a non-isothermal liquid bridge 
Yutaka Yamada; Kodai Okano; Kazuma Isobe; Akihiko Horibe
Appl. Phys. Lett. 123, 231601 (2023) https://doi.org/10.1063/5.0167486
Abstract
View articletitled, Water/ice mixture- and freezing-front motion in a non-isothermal liquid bridge
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Characterization of nanoscale pinhole defects in hydrophobic coatings using copper electrodeposition 
Ishrat Zarin; Ghassan Arissi; Emmanuel Barias; Muhammad Jahidul Hoque; Jingcheng Ma; Kazi Fazle Rabbi; Nenad Miljkovic
Appl. Phys. Lett. 123, 231602 (2023) https://doi.org/10.1063/5.0172805
Abstract
View articletitled, Characterization of nanoscale pinhole defects in hydrophobic coatings using copper electrodeposition
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ADVANCED MATERIALS

A refractory medium-entropy alloy with ultrahigh specific yield strengths for elevated-temperature applications 
Yake Xiao; Xianghe Peng
Appl. Phys. Lett. 123, 231901 (2023) https://doi.org/10.1063/5.0170416
Abstract
View articletitled, A refractory medium-entropy alloy with ultrahigh specific yield strengths for elevated-temperature applications
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Plastic deformation-driven grain coarsening in nanocrystalline Gd2Zr2O7 ceramics by nanoindentation 
Mao Deng; Zhangyi Huang; Haomin Wang
Appl. Phys. Lett. 123, 231902 (2023) https://doi.org/10.1063/5.0180206
Abstract
View articletitled, Plastic deformation-driven grain coarsening in nanocrystalline Gd<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> ceramics by nanoindentation
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Origin of preferred orientation in an isotropic material: High pressure synthesis of bc8-Si 
Sean L. Butler; Jeffrey F. Partridge; Xingshuo Huang; Irene Suarez-Martinez; Nigel A. Marks; Jodie E. Bradby; Dougal G. McCulloch
Appl. Phys. Lett. 123, 231903 (2023) https://doi.org/10.1063/5.0170712
Abstract
View articletitled, Origin of preferred orientation in an isotropic material: High pressure synthesis of <em>bc8</em>-Si
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SEMICONDUCTORS

Local structure and ordering of Al atoms in AlxGa1−xN epilayers 
Anna Spindlberger; Gianluca Ciatto; Rajdeep Adhikari; Ashok-Kumar Yadav; Alberta Bonanni
Appl. Phys. Lett. 123, 232101 (2023) https://doi.org/10.1063/5.0167728
Abstract
View articletitled, Local structure and ordering of Al atoms in Al<sub><em>x</em></sub>Ga<sub>1−</sub><sub><em>x</em></sub>N epilayers
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Mechanical properties of cubic boron nitride and diamond at dynamical pressure and temperature 
In Special Collection: (Ultra)Wide-bandgap Semiconductors for Extreme Environment Electronics
Srihari M. Kastuar; Zhong-Li Liu; Sina Najmaei; Chinedu E. Ekuma
Appl. Phys. Lett. 123, 232102 (2023) https://doi.org/10.1063/5.0172885
Abstract
View articletitled, Mechanical properties of cubic boron nitride and diamond at dynamical pressure and temperature
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MAGNETICS AND SPINTRONICS

Acoustically driven spin wave resonance in Ni/128° Y-cut LiNbO3 hybrid devices with the beam steering effect 
Runliang Gao; Jiangtao Xue; Huiliang Wu; Yuchen Ye; Jianbo Wang; Qingfang Liu
Appl. Phys. Lett. 123, 232401 (2023) https://doi.org/10.1063/5.0174908
Abstract
View articletitled, Acoustically driven spin wave resonance in Ni/128° Y-cut LiNbO<sub>3</sub> hybrid devices with the beam steering effect
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A room temperature exchange bias effect caused by the coexisting martensitic phase structures in Ni50Mn38Sb12−xGax polycrystalline Heusler alloys 
Fanghua Tian; Tieyan Chang; Qizhong Zhao; Jiale Guo; Long Xian; Kaiyan Cao; Zhiyong Dai; Yin Zhang; Chao Zhou; Sen Yang
Appl. Phys. Lett. 123, 232402 (2023) https://doi.org/10.1063/5.0178839
Abstract
View articletitled, A room temperature exchange bias effect caused by the coexisting martensitic phase structures in Ni<sub>50</sub>Mn<sub>38</sub>Sb<sub>12−x</sub>Ga<sub>x</sub> polycrystalline Heusler alloys
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Electrical coupling of superparamagnetic tunnel junctions mediated by spin-transfer-torques 
Leo Schnitzspan; Mathias Kläui; Gerhard Jakob
Appl. Phys. Lett. 123, 232403 (2023) https://doi.org/10.1063/5.0169679
Abstract
View articletitled, Electrical coupling of superparamagnetic tunnel junctions mediated by spin-transfer-torques
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Annealing temperature dependence of the bulk spin–orbit torque in CoPt film 
Mengfan Liang; Yan Song; Junjie Yuan; Haoran Chen; Jianhui Chen; Renchao Che; Jincang Zhang; Yizheng Wu; Yongming Luo; Ningning Wang
Appl. Phys. Lett. 123, 232404 (2023) https://doi.org/10.1063/5.0174343
Abstract
View articletitled, Annealing temperature dependence of the bulk spin–orbit torque in CoPt film
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DIELECTRICS, FERROELECTRICS, AND MULTIFERROICS

Optimizing the conjugated structure of aromatic polyurea for high-temperature capacitive energy storage 
Zhonghua Zhao; Yang Feng; Liuqing Yang; Shuo Zhang; Xia Liu; Yan Zhang; Mingru Li; Shengtao Li
Appl. Phys. Lett. 123, 232901 (2023) https://doi.org/10.1063/5.0176026
Abstract
View articletitled, Optimizing the conjugated structure of aromatic polyurea for high-temperature capacitive energy storage
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DEVICE PHYSICS AND NANOTECHNOLOGY

Adjustable gas adsorption and desorption via a self-shrinking nanoscroll 
Jing Wan; Kun Cai; Yuanyuan Kang; Yangjun Luo; Qinghua Qin
Appl. Phys. Lett. 123, 233501 (2023) https://doi.org/10.1063/5.0175953
Abstract
View articletitled, Adjustable gas adsorption and desorption via a self-shrinking nanoscroll
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ENERGY CONVERSION AND STORAGE

Proton radiation hardness and its loss mechanism of Cu2ZnSn(S,Se)4 thin film solar cells 
Yun Zhao; Shiyu Zheng; Yuming Zhao; Zhengjun Luo; Yumo Li; Yongkang Wu; Jiangtao Chen; Jianbiao Chen; Xuqiang Zhang; Liqiang Chai; Xiuxun Han; Hao Xin; Yan Li
Appl. Phys. Lett. 123, 233901 (2023) https://doi.org/10.1063/5.0167356
Abstract
View articletitled, Proton radiation hardness and its loss mechanism of Cu<sub>2</sub>ZnSn(S,Se)<sub>4</sub> thin film solar cells
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A method for evaluating spectral down-shifting materials applied to solar cells 
Guoxiang Song; Chaogang Lou; Han Diao; Ruiqi Zhu
Appl. Phys. Lett. 123, 233902 (2023) https://doi.org/10.1063/5.0167959
Abstract
View articletitled, A method for evaluating spectral down-shifting materials applied to solar cells
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INTERDISCIPLINARY APPLIED PHYSICS

Production of 13.5 nm light with 5% conversion efficiency from 2 μm laser-driven tin microdroplet plasma 
In Special Collection: Plasma Sources for Advanced Semiconductor Applications
Y. Mostafa; L. Behnke; D. J. Engels; Z. Bouza; J. Sheil; W. Ubachs; O. O. Versolato
Appl. Phys. Lett. 123, 234101 (2023) https://doi.org/10.1063/5.0174149
Abstract
View articletitled, Production of 13.5 nm light with 5% conversion efficiency from 2 <strong><em>μ</em></strong>m laser-driven tin microdroplet plasma
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