Explanipedia

Long-range optical coupling with epsilon-near-zero materials Open

Danqing Wang, Lu Zhuo, Sorren Warkander, Niharika Gupta, Qingjun Wang , et al. · 2025

Memsensing by surface ion migration within Debye length Open

Ruihan Guo, Qixin Feng, Ke Ma, Gi‐Hyeok Lee, Moniruzzaman Jamal , et al. · 2025

Purification of amorphous boron powder through the removal of impurity magnesium and its physicochemical properties Open

Suyun Lv, Zhen Cao, Junqiao Wu · 2025

Two-dimensional semiconductors survive and thrive in outer space Open

Junqiao Wu · 2025

Room-temperature multiferroicity in sliding van der Waals semiconductors with sub-0.3 V switching Open

Rui Chen, Fanhao Meng, Hongrui Zhang, Yuzi Liu, Shancheng Yan , et al. · 2025

Femtojoule optical nonlinearity for deep learning with incoherent illumination Open

Qixin Feng, Can Berk Uzundal, Ruihan Guo, Collin Sanborn, Ruishi Qi , et al. · 2025

Optical neural networks (ONNs) are a promising computational alternative for deep learning due to their inherent massive parallelism for linear operations. However, the development of energy-efficient and highly parallel optical nonlineari…

Spin chemistry: the key to revolutionizing energy storage and conversion efficiency Open

Xiaolin Zhang, Jinhao Pan, Yi Wan, Xueqing Zheng, Yutong Liu , et al. · 2025

A schematic of the characterization and application of electronic spin polarization.

Ultrahigh through-plane thermal conductivity of graphite by reducing inter-plane twist Open

Bo Sun, Lu Zhao, Zitao Chen, Song Hu, Aomiao Zhi , et al. · 2024

Graphite is a cornerstone material in heat dissipation due to its exceptionally high in-plane thermal conductivity (~ 2000 W m^{− 1} K^{− 1}). However, its low through-plane thermal conductivity remains a bottleneck for hea…

Celebrating notable advances in compound semiconductors: A tribute to Dr. Wladyslaw Walukiewicz Open

Kirstin Alberi, Junqiao Wu, R. Kudrawiec, Yasushi Nanishi · 2024

The Special Topic "Native Defects, Impurities and the Electronic Structure of Compound Semiconductors" is dedicated to Dr. Wladyslaw (Wladek) Walukiewicz, our esteemed colleague who passed away on November 9, 2022, at age 76.It is not ofte…

Near-Field Nanoimaging of Phases and Carrier Dynamics in Vanadium Dioxide Nanobeams Open

Rundi Yang, Jingang Li, Yuhang Cai, Brian W. Blankenship, Junqiao Wu , et al. · 2024

The stable coexistence of insulating and metallic phases in strained vanadium dioxide (VO₂) has garnered significant research interest due to the intriguing phase transition phenomena. However, the temporal behavior of charge ca…

Ion diffusion retarded by diverging chemical susceptibility Open

Yuhang Cai, Zhaowu Wang, Jiawei Wan, Jiachen Li, Ruihan Guo , et al. · 2024

Proton Collective Quantum Tunneling Induces Anomalous Thermal Conductivity of Ice under Pressure Open

Yufeng Wang, Ripeng Luo, Jian Chen, Xuefeng Zhou, Shanmin Wang , et al. · 2024

Proton tunneling is believed to be nonlocal in ice, but its range has been shown to be limited to only a few molecules. Here, we measured the thermal conductivity of ice under pressure up to 50 GPa and found it increases with pressure unti…

Reversible phase transformations between Pb nanocrystals and a viscous liquid-like phase Open

Wenjing Zheng, Jun Kang, Kai‐Yang Niu, Colin Ophus, Emory M. Chan , et al. · 2024

Phase transformations have been a prominent topic of study for both fundamental and applied science. Solid-liquid reaction–induced phase transformations can be hard to characterize, and the transformation mechanisms are often not fully und…

Transient Nanoscopy of Exciton Dynamics in 2D Transition Metal Dichalcogenides Open

Jingang Li, Rundi Yang, Naoki Higashitarumizu, Siyuan Dai, Junqiao Wu , et al. · 2024

The electronic and optical properties of 2D transition metal dichalcogenides are dominated by strong excitonic resonances. Exciton dynamics plays a critical role in the functionality and performance of many miniaturized 2D optoelectronic d…

Collaboration for Advanced Modeling of Particle Accelerators Open

Jean-Luc Vay, Arianna Formenti, Marco Garten, Axel Huebl, Rémi Lehe , et al. · 2023

The pverarching purpose is to accelerate and expand the scope of discoveries from high energy physics (HEP) particle accelerators by enabling the design of accelerators that are significantly more compact and cheaper to build and run. This…

Relativistic ultrafast electron diffraction at high repetition rates Open

Khalid M. Siddiqui, Daniel B. Durham, Frederick Cropp, Fuhao Ji, Sergio Paiagua , et al. · 2023

The ability to resolve the dynamics of matter on its native temporal and spatial scales constitutes a key challenge and convergent theme across chemistry, biology, and materials science. The last couple of decades have witnessed ultrafast …

Printable, emissivity-adaptive and albedo-optimized covering for year-round energy saving Open

Jiachen Li, Kaichen Dong, Tiancheng Zhang, Derick Tseng, Cheng Fang , et al. · 2023

Twisted moiré photonic crystal enabled optical vortex generation through bound states in the continuum Open

Tiancheng Zhang, Kaichen Dong, Jiachen Li, Fanhao Meng, Jingang Li , et al. · 2023

Photothermally Activated Artificial Neuromorphic Synapses Open

Brian W. Blankenship, Runxuan Li, Ruihan Guo, Naichen Zhao, Jaeho Shin , et al. · 2023

Biological nervous systems rely on the coordination of billions of neurons with complex, dynamic connectivity to enable the ability to process information and form memories. In turn, artificial intelligence and neuromorphic computing platf…

Charge Carrier Transport in Iron Pyrite Thin Films: Disorder-Induced Variable-Range Hopping Open

Sudhanshu Shukla, S. Mathew, Hwan Sung Choe, Manjusha Chugh, Thomas D. Kühne , et al. · 2023

Here, the origin of p-type conductivity and the mechanism responsible for low carrier mobility were investigated in pyrite (FeS₂) thin films. Temperature-dependent resistivity measurements (10-400 K) were performed on polycrysta…

Dataset Open

Tiancheng Zhang, Kaichen Dong, Jiahcen Li, Fanhao Meng, Jingang Li , et al. · 2023

Dataset of the paper: "Twisted moiré photonic crystal enabled optical vortex generation through bound states in the continuum".

Dataset Open

Tiancheng Zhang, Kaichen Dong, Jiahcen Li, Fanhao Meng, Jingang Li , et al. · 2023

Dataset of the paper: "Twisted moiré photonic crystal enabled optical vortex generation through bound states in the continuum".

Relativistic ultrafast electron diffraction at high repetition rates Open

Khalid M. Siddiqui, Daniel B. Durham, Frederick Cropp, Fuhao Ji, Sergio Paiagua , et al. · 2023

The ability to resolve the dynamics of matter on its native temporal and spatial scales constitutes a key challenge and convergent theme across chemistry, biology, and materials science. The last couple of decades have witnessed ultrafast …

Proton Collective Quantum Tunneling Induces Anomalous Thermal Conductivity of Ice under Pressure Open

Yufeng Wang, Ripeng Luo, Jian Chen, Xuefeng Zhou, Shanmin Wang , et al. · 2023

Proton tunneling is believed to be non-local in ice but has never been shown experimentally. Here we measured thermal conductivity of ice under pressure up to 50 GPa and found it to increase with pressure until 20 GPa but decrease at highe…

Single-pixel reconstructive mid-infrared micro-spectrometer Open

Kaichen Dong, Jiachen Li, Tiancheng Zhang, Fangda Gu, Yuhang Cai , et al. · 2023

Miniaturized spectrometers in the mid-infrared (MIR) are critical in developing next-generation portable electronics for advanced sensing and analysis. The bulky gratings or detector/filter arrays in conventional micro-spectrometers set a …

Radiative cooling, what’s next? Open

Kaichen Dong, Junqiao Wu · 2023

Radiative coatings make use of omnipresent surface thermal radiation for passive cooling of objects without consuming energy or emitting greenhouse gases, and are a promising energy-saving strategy at scale to address the climate change pr…

Ultrafast Optical Nanoscopy of Carrier Dynamics in Silicon Nanowires Open

Jingang Li, Rundi Yang, Yoonsoo Rho, Penghong Ci, Matthew Eliceiri , et al. · 2023

Carrier distribution and dynamics in semiconductor materials often govern their physical properties that are critical to functionalities and performance in industrial applications. The continued miniaturization of electronic and photonic d…

Broad spectrum solar cell Open

W. Walukiewicz, Kin Man Yu, Junqiao Wu, Cheng‐Hui Li · 2023

An alloy having a large band gap range is used in a multijunction solar cell to enhance utilization of the solar energy spectrum. In one embodiment, the alloy is In.sub.1-xGa.sub.xN having an energy bandgap range of approximately 0.7 eV to…

Multiband semiconductor compositions for photovoltaic devices Open

W. Walukiewicz, K. M. Yu, Junqiao Wu · 2023

The highly mismatched alloy Zn.sub.1-yMn.sub.yO.sub.xTe.sub.1-x, 0.ltoreq.y<1 and 0

Probing the Critical Nucleus Size in the Metal-Insulator Phase Transition of Open

Lei Jin, Yin Shi, Frances I. Allen, Long‐Qing Chen, Junqiao Wu · 2022

In a first-order phase transition, critical nucleus size governs nucleation kinetics, but the direct experimental test of the theory and determination of the critical nucleation size have been achieved only recently in the case of ice form…

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