Volume 126 Issue 9 | Applied Physics Letters

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PERSPECTIVES

Advancements in low-density crystalline silicon allotropes

Yinan Liu; Joseph P. Briggs; Reuben T. Collins; Meenakshi Singh; P. Craig Taylor; Carolyn A. Koh

Appl. Phys. Lett. 126, 090501 (2025) https://doi.org/10.1063/5.0252405

Abstract

View articletitled, Advancements in low-density crystalline silicon allotropes

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CHORUS

PHOTONICS AND OPTOELECTRONICS

Energy efficiency of 100 fJ/bit for bit rates beyond 50 Gb/s for 940 nm single mode VCSELs

Mansoor A. Maricar; Ilya A. Derebezov; Zi-Heng Zhou; Yu-Hao Wang; Georgiy A. Sapunov; Si-Cong Tian; Dieter Bimberg

Appl. Phys. Lett. 126, 091101 (2025) https://doi.org/10.1063/5.0247380

Abstract

View articletitled, Energy efficiency of 100 fJ/bit for bit rates beyond 50 Gb/s for 940 nm single mode VCSELs

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SURFACES AND INTERFACES

Spin-to-charge conversion at KTaO₃(111) interfaces

Athby H. Al-Tawhid; Rui Sun; Andrew H. Comstock; Divine P. Kumah; Dali Sun; Kaveh Ahadi

Appl. Phys. Lett. 126, 091601 (2025) https://doi.org/10.1063/5.0247001

Abstract

View articletitled, Spin-to-charge conversion at KTaO3(111) interfaces

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CHORUS

METASURFACES AND METAMATERIALS

Ultra-narrowband dielectric metasurfaces for surface-enhanced infrared absorption

Haining Chong; Wenkang Zhang; Yuanhao Mu; Hui Ye; Yangjian Cai

Appl. Phys. Lett. 126, 091701 (2025) https://doi.org/10.1063/5.0255749

Abstract

View articletitled, Ultra-narrowband dielectric metasurfaces for surface-enhanced infrared absorption

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Linewidth narrowing and enhanced sensing in non-Hermitian circuit systems via anti-PT symmetry

Liang Hu; Yunhui Li; Kejia Zhu; Hong Chen; Zhiwei Guo

Appl. Phys. Lett. 126, 091702 (2025) https://doi.org/10.1063/5.0252180

Abstract

View articletitled, Linewidth narrowing and enhanced sensing in non-Hermitian circuit systems via anti-PT symmetry

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ADVANCED MATERIALS

Perovskite-based transparent pn junction in CuI/SrTiO₃ toward enhanced photoelectric response via interfacial homogeneous perovskite LaCoO₃ transition layer

Xinyan Lv; Wei Yang; Zefeng Cai; Jun Cao; Lei Shi; Jiaqi Pan; Zhiguo Zhao; Chaorong Li

Appl. Phys. Lett. 126, 091901 (2025) https://doi.org/10.1063/5.0257682

Abstract

View articletitled, Perovskite-based transparent pn junction in CuI/SrTiO3 toward enhanced photoelectric response via interfacial homogeneous perovskite LaCoO3 transition layer

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Composition evolution of crystal structure and negative thermal expansion in pyro-vanadate–phosphate Cu_1.8Zn_0.2V_2–_xP_xO₇

M. Kawakita; F. Ikawa; K. Yagi; M. Kano; T. Kubo; Y. Yokoyama; N. Katayama; Y. Okamoto; D. Hirai; K. Takenaka

Appl. Phys. Lett. 126, 091902 (2025) https://doi.org/10.1063/5.0252063

Abstract

View articletitled, Composition evolution of crystal structure and negative thermal expansion in pyro-vanadate–phosphate Cu1.8Zn0.2V2–xPxO7

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Rapid growth kinetics of β-Fe₃Ge₂ intermetallic compound within undercooled liquid Fe–Ge alloys

N. S. Hou; D. L. Geng; G. Y. Zhu; B. Wei

Appl. Phys. Lett. 126, 091903 (2025) https://doi.org/10.1063/5.0253749

Abstract

View articletitled, Rapid growth kinetics of β-Fe3Ge2 intermetallic compound within undercooled liquid Fe–Ge alloys

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High-performance, broadband, and self-driven photodetector based on MoTe₂ homojunction with asymmetrical contact interfaces

Kangwei Shao; Zhengjin Weng; Haiyan Nan; Chuangzhang Liang; Renxian Qi; Zhangting Wu; Wenhui Wang; Jialing Jian; Shaoqing Xiao; Xiaofeng Gu

Appl. Phys. Lett. 126, 091904 (2025) https://doi.org/10.1063/5.0254935

Abstract

View articletitled, High-performance, broadband, and self-driven photodetector based on MoTe2 homojunction with asymmetrical contact interfaces

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SEMICONDUCTORS

Optoelectronic properties and application of p-type ultrawide bandgap Zn_0.7Ni_0.3O_1+δ thin films in p–n heterojunction diodes

Zhi Yue Xu; Xian Sheng Wang; Zhi Xiang Wei; Gui Shan Liu; Xiong Jing Chen; Hong-En Wang; Chun Yuen Ho; Kin Man Yu; Chao Ping Liu

Appl. Phys. Lett. 126, 092101 (2025) https://doi.org/10.1063/5.0238597

Abstract

View articletitled, Optoelectronic properties and application of p-type ultrawide bandgap Zn0.7Ni0.3O1+δ thin films in p–n heterojunction diodes

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Improvement of interface quality through low-temperature annealing in β-Ga₂O₃ diode with compounded mesa and junction termination extension

Qiuyan Li; Jinyang Liu; Weibing Hao; Xinrui Xu; Zhao Han; Song He; Xiaodong Xu; Guangwei Xu; Shibing Long

Appl. Phys. Lett. 126, 092102 (2025) https://doi.org/10.1063/5.0248466

Abstract

View articletitled, Improvement of interface quality through low-temperature annealing in β-Ga2O3 diode with compounded mesa and junction termination extension

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Gate-controllable 213 nm photo-responsivity in GeO₂/SiO₂/p-Si three-terminal solar-blind photodetectors

Jiabao Liu; Chengming Wei; Xinru Lan; Chen Guo; Lingdong Wang; Feifei Qin; Zhengwei Chen; Dongdong Meng; Ziyang Hu; Xu Wang

Appl. Phys. Lett. 126, 092103 (2025) https://doi.org/10.1063/5.0258810

Abstract

View articletitled, Gate-controllable 213 nm photo-responsivity in GeO2/SiO2/p-Si three-terminal solar-blind photodetectors

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Off-state magnetoresistance in long-channel germanium Schottky-barrier MOSFETs

D. Lidsky; T. Hutchins-Delgado; P. Sharma; V. Dobrosavljevic; T. M. Lu

Appl. Phys. Lett. 126, 092104 (2025) https://doi.org/10.1063/5.0245683

Abstract

View articletitled, Off-state magnetoresistance in long-channel germanium Schottky-barrier MOSFETs

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Impact of quantum well thickness on hole mobility in strained germanium heterostructures

Yuchuan Wang; Behzad Jazizadeh; Zhuo Yu; Areej Aljaghwani; Philip Waldron; Sergei Studenikin; Maksym Myronov

Appl. Phys. Lett. 126, 092105 (2025) https://doi.org/10.1063/5.0251851

Abstract

View articletitled, Impact of quantum well thickness on hole mobility in strained germanium heterostructures

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Alternative contacting strategy for correlated perovskite nickelates: From the overlooked perspective of the metallic work functions

Ziang Li; Jingxin Gao; Hao Zhang; Chen Liu; Xiaoguang Xu; Wei Mao; Jing Zhao; Kangkang Meng; Yong Wu; Yong Jiang; Nuofu Chen; Jikun Chen

Appl. Phys. Lett. 126, 092106 (2025) https://doi.org/10.1063/5.0252692

Abstract

View articletitled, Alternative contacting strategy for correlated perovskite nickelates: From the overlooked perspective of the metallic work functions

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Grafted AlGaAs/GeSn optical pumping laser operating up to 130 K

Appl. Phys. Lett. 126, 092107 (2025) https://doi.org/10.1063/5.0241572

Abstract

View articletitled, Grafted AlGaAs/GeSn optical pumping laser operating up to 130 K

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CHORUS

PHONONIC, ACOUSTIC, AND THERMAL PROPERTIES

Electrically tunable GHz acoustic waveguide using Al_0.7Sc_0.3N thin film

Jiawei Li; Xuankai Xu; Yang Li; Tao Wu

Appl. Phys. Lett. 126, 092201 (2025) https://doi.org/10.1063/5.0257586

Abstract

View articletitled, Electrically tunable GHz acoustic waveguide using Al0.7Sc0.3N thin film

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Flexible tuning of asymmetric near-field radiative thermal transistor by utilizing distinct phase-change materials

Hexiang Zhang; Xuguang Zhang; Fangqi Chen; Mauro Antezza; Yi Zheng

Appl. Phys. Lett. 126, 092202 (2025) https://doi.org/10.1063/5.0256162

Abstract

View articletitled, Flexible tuning of asymmetric near-field radiative thermal transistor by utilizing distinct phase-change materials

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CHORUS

MAGNETICS AND SPINTRONICS

Minimization of temperature reached by adiabatic demagnetization refrigeration in Ce-based intermetallic Ce₂(Cu_1−xNi_x)₂In

Kanta Watanabe; Yasuyuki Shimura; Kazunori Umeo; Takahiro Onimaru; Toshiro Takabatake

Appl. Phys. Lett. 126, 092401 (2025) https://doi.org/10.1063/5.0245318

Abstract

View articletitled, Minimization of temperature reached by adiabatic demagnetization refrigeration in Ce-based intermetallic Ce2(Cu1−xNix)2In

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CHORUS

A design of magnetic tunnel junctions for the deployment of neuromorphic hardware for edge computing

Davi Rodrigues; Eleonora Raimondo; Riccardo Tomasello; Mario Carpentieri; Giovanni Finocchio

Appl. Phys. Lett. 126, 092402 (2025) https://doi.org/10.1063/5.0237090

Abstract

View articletitled, A design of magnetic tunnel junctions for the deployment of neuromorphic hardware for edge computing

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Spin–current volume effect on iron gallium films

Yin-Chen Huang; Yi-Te Huang; Hiroki Arisawa; Takashi Kikkawa; Eiji Saitoh; Ioana Voiculescu; Takahito Ono

Appl. Phys. Lett. 126, 092403 (2025) https://doi.org/10.1063/5.0239164

Abstract

View articletitled, Spin–current volume effect on iron gallium films

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Theoretical limits for energy density of aligned ferromagnetic nanoparticles in a nonmagnetic matrix for rare-earth-free permanent magnets

Shouvik Sarker; Md Mahadi Rajib; Radhika Barua; Jayasimha Atulasimha

Appl. Phys. Lett. 126, 092404 (2025) https://doi.org/10.1063/5.0233620

Abstract

View articletitled, Theoretical limits for energy density of aligned ferromagnetic nanoparticles in a nonmagnetic matrix for rare-earth-free permanent magnets

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CHORUS

Anisotropic magnetoresistance in antiferromagnetic kagome metal GdTi₃Bi₄

Xinyao Li; Yang Yang; Feihong Guan; Xiangde Zhu; Wei Ning; Mingliang Tian

Appl. Phys. Lett. 126, 092405 (2025) https://doi.org/10.1063/5.0254850

Abstract

View articletitled, Anisotropic magnetoresistance in antiferromagnetic kagome metal GdTi3Bi4

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AFM cantilever magnetometry for measuring Femto-Nm torques generated by single magnetic particles for cell actuation

Maria V. Efremova; Lotte M. Boer; Laurenz Edelmann; Lieke Ruijs; Jianing Li; Marc A. Verschuuren; Reinoud Lavrijsen

Appl. Phys. Lett. 126, 092406 (2025) https://doi.org/10.1063/5.0254620

Abstract

View articletitled, AFM cantilever magnetometry for measuring Femto-Nm torques generated by single magnetic particles for cell actuation

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Probing the spin dynamics of quasi-2D magnets Cu(1,3-bdc) using a superconducting resonator

Chenyu Li; Yujia Fan; Wenjie Ding; Kang Wang; Chao Zhou; Dongsheng Song; Lichuan Zhang; Yuriy Mokrousov; Shiming Lei; Pavel Parchinskiy; Haifeng Du; Lihui Bai; Peng Gao; Tao Yu; Yi-Pu Wang; Tianxiang Nan; Peng Li

Appl. Phys. Lett. 126, 092407 (2025) https://doi.org/10.1063/5.0246527

Abstract

View articletitled, Probing the spin dynamics of quasi-2D magnets Cu(1,3-bdc) using a superconducting resonator

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Spin Hall effect in 3d ferromagnetic metals for field-free switching of perpendicular magnetization: A first-principles investigation

Fanxing Zheng; Jianting Dong; Yizhuo Song; Meng Zhu; Xinlu Li; Jia Zhang

Appl. Phys. Lett. 126, 092408 (2025) https://doi.org/10.1063/5.0255152

Abstract

View articletitled, Spin Hall effect in 3d ferromagnetic metals for field-free switching of perpendicular magnetization: A first-principles investigation

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Twisted spin waves in a cylindrical magnonic crystal

Zhixiong Li; Xuejuan Liu; Xiansi Wang; Zhenyu Wang

Appl. Phys. Lett. 126, 092409 (2025) https://doi.org/10.1063/5.0244585

Abstract

View articletitled, Twisted spin waves in a cylindrical magnonic crystal

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The origin of the uniaxial magnetic anisotropy in Fe/GaAs(100) system

Yu Yan; Bo Liu; Xianyang Lu; Junlin Wang; Sarnjeet S. Dhesi; Iain G. Will; Vlado K. Lazarov; Jun Du; Jing Wu; Rong Zhang; Yongbing Xu

Appl. Phys. Lett. 126, 092410 (2025) https://doi.org/10.1063/5.0253345

Abstract

View articletitled, The origin of the uniaxial magnetic anisotropy in Fe/GaAs(100) system

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DIELECTRICS, FERROELECTRICS, AND MULTIFERROICS

Impacts of growth oxygen pressure and laser fluence on microwave tunings of Ba_0.8Sr_0.2TiO₃ thin films

Zixiong Liu; Changdong Liu; Haotian Gao; Zongquan Gu

Appl. Phys. Lett. 126, 092901 (2025) https://doi.org/10.1063/5.0250890

Abstract

View articletitled, Impacts of growth oxygen pressure and laser fluence on microwave tunings of Ba0.8Sr0.2TiO3 thin films

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Directional enhancement of pyroelectricity in Pb(Zr_0.52Ti_0.48)O₃ films by DC poling

J. Usami; Y. Okamoto; H. Inoue; N. Makimoto; T. Kobayashi; H. Yamada

Appl. Phys. Lett. 126, 092902 (2025) https://doi.org/10.1063/5.0255054

Abstract

View articletitled, Directional enhancement of pyroelectricity in Pb(Zr0.52Ti0.48)O3 films by DC poling

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CHORUS

Achieving ultrahigh piezoelectric coefficient and good temperature stability in (K,Na)NbO₃-based laminated ceramic composites

Xudong Chen; Lu Li; Jialiang Zhang; Wenbin Su

Appl. Phys. Lett. 126, 092903 (2025) https://doi.org/10.1063/5.0258383

Abstract

View articletitled, Achieving ultrahigh piezoelectric coefficient and good temperature stability in (K,Na)NbO3-based laminated ceramic composites

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LOW-DIMENSIONAL AND TOPOLOGICAL MATERIALS

Chiral anomaly in doped α-Sn films by Fermi level tuning

Bingxin Li; Yuanfeng Ding; Jinshan Yao; Xing Fan; Guanzhang Liu; Yan-Bin Chen; Jian Zhou; Hong Lu; Yan-Feng Chen

Appl. Phys. Lett. 126, 093101 (2025) https://doi.org/10.1063/5.0223869

Abstract

View articletitled, Chiral anomaly in doped α-Sn films by Fermi level tuning

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DEVICE PHYSICS AND NANOTECHNOLOGY

CdO: A promising flexible and transparent thermoelectric power generator

X. K. Ning; W. B. Guo; J. Y. Han; Y. M. Ran; W. X. Jian; X. Y. San; L. J. Gao; S. F. Wang

Appl. Phys. Lett. 126, 093501 (2025) https://doi.org/10.1063/5.0249540

Abstract

View articletitled, CdO: A promising flexible and transparent thermoelectric power generator

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Achieving high mobility and enhanced illumination stability in InPrO homojunction thin-film transistors

Jianting Wu; Min Guo; Qian Wu; Songjia Han; Xubing Lu; Xiaoci Liang; Chuan Liu

Appl. Phys. Lett. 126, 093502 (2025) https://doi.org/10.1063/5.0246425

Abstract

View articletitled, Achieving high mobility and enhanced illumination stability in InPrO homojunction thin-film transistors

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Laser-based FinFET hot-carrier degradation resolved in time-domain

R. Ascázubi; B. Ajdari

Appl. Phys. Lett. 126, 093503 (2025) https://doi.org/10.1063/5.0254435

Abstract

View articletitled, Laser-based FinFET hot-carrier degradation resolved in time-domain

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Near-sensor reservoir computing for Braille recognition via high stability memristors

Zhaoyang Qin; Guangyue Shen; Jiandong Jiang; Yujun Fu; Liang Qiao; Qi Wang; Deyan He

Appl. Phys. Lett. 126, 093504 (2025) https://doi.org/10.1063/5.0253801

Abstract

View articletitled, Near-sensor reservoir computing for Braille recognition via high stability memristors

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Depth-sensitive atomic ratio between iodine/lead and nitrogen/lead in lead halide perovskite film during octylammonium iodide-based surface modification

Zhenxing Fang; Haipeng Xie; Yuhuan Xiao; Zihao Wang; Xianjun Cheng; Tao Xu; Han Huang; Conghua Zhou

Appl. Phys. Lett. 126, 093505 (2025) https://doi.org/10.1063/5.0246864

Abstract

View articletitled, Depth-sensitive atomic ratio between iodine/lead and nitrogen/lead in lead halide perovskite film during octylammonium iodide-based surface modification

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BIOPHYSICS, BIOIMAGING, AND BIOSENSORS

Simulation study of cell permeabilization induced by pulsed magnetic field considering radial stress effects

Chi Ma; Wei Zheng; Fei Teng; Jianli Wang; Sifan Tang; Jiayu Chen; Yan Mi

Appl. Phys. Lett. 126, 093701 (2025) https://doi.org/10.1063/5.0254777

Abstract

View articletitled, Simulation study of cell permeabilization induced by pulsed magnetic field considering radial stress effects

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A homogeneous plasmon-enhanced Raman biosensor integrated with LASSO and deep learning approach to advance label-free and rapid diagnosis of urolithiasis

Yixin Dai; Qiyu He; Chen Yang; Hong Li; Wenxue Li; Lin Pang

Appl. Phys. Lett. 126, 093702 (2025) https://doi.org/10.1063/5.0245180

Abstract

View articletitled, A homogeneous plasmon-enhanced Raman biosensor integrated with LASSO and deep learning approach to advance label-free and rapid diagnosis of urolithiasis

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Packaged GaN HEMT biosensor and handheld system for brain injury detection

Rajiv Thakur; Anil Kumar Saini; Nikhil Suri; Dheeraj Kumar Kharbanda; Rajeev Taliyan; Nidhi Chaturvedi

Appl. Phys. Lett. 126, 093703 (2025) https://doi.org/10.1063/5.0248100

Abstract

View articletitled, Packaged GaN HEMT biosensor and handheld system for brain injury detection

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ENERGY CONVERSION AND STORAGE

Mo-doped Ni/NiO supported on oxygen-deficient NiMoO₄ with carbon derived from tannic acid for hydrogen evolution and hydrogen oxidation

Xueqi Chen; Lijie Zhu; Hongzhan Chen; Ya Tang; Feng Lin; Fangyan Xie; Jian Chen; Nan Wang; Yanshuo Jin; Hui Meng

Appl. Phys. Lett. 126, 093901 (2025) https://doi.org/10.1063/5.0256530

Abstract

View articletitled, Mo-doped Ni/NiO supported on oxygen-deficient NiMoO4 with carbon derived from tannic acid for hydrogen evolution and hydrogen oxidation

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QUANTUM TECHNOLOGIES

Inductor-shunted matching circuits for enhanced frequency multiplexibility in RF single electron transistors in silicon

S. Nishiyama; R. Mizokuchi; R. Matsuda; J. Kamioka; J. Yoneda; T. Kodera

Appl. Phys. Lett. 126, 094001 (2025) https://doi.org/10.1063/5.0249938

Abstract

View articletitled, Inductor-shunted matching circuits for enhanced frequency multiplexibility in RF single electron transistors in silicon

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INTERDISCIPLINARY APPLIED PHYSICS

Simple and effective magnetic cilia arrays for exploring metachronal beating dynamics

Yan Qiu; Xinwei Cai; Xin Bian; Guoqing Hu

Appl. Phys. Lett. 126, 094101 (2025) https://doi.org/10.1063/5.0253126

Abstract

View articletitled, Simple and effective magnetic cilia arrays for exploring metachronal beating dynamics

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Issues

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PERSPECTIVES

PHOTONICS AND OPTOELECTRONICS

SURFACES AND INTERFACES

METASURFACES AND METAMATERIALS

ADVANCED MATERIALS

SEMICONDUCTORS

PHONONIC, ACOUSTIC, AND THERMAL PROPERTIES

MAGNETICS AND SPINTRONICS

DIELECTRICS, FERROELECTRICS, AND MULTIFERROICS

LOW-DIMENSIONAL AND TOPOLOGICAL MATERIALS

DEVICE PHYSICS AND NANOTECHNOLOGY

BIOPHYSICS, BIOIMAGING, AND BIOSENSORS

ENERGY CONVERSION AND STORAGE

QUANTUM TECHNOLOGIES

INTERDISCIPLINARY APPLIED PHYSICS

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