Results 21 to 30 of about 2,488 (98)

All‐Optically Controlled Memristor for Optoelectronic Neuromorphic Computing

Advanced Functional Materials, Volume 31, Issue 4, January 22, 2021., 2021
An all‐optically controlled (AOC) analog memristor is realized based on the relatively mature material InGaZnO. The memconductance is reversibly tunable over a continuous range by varying only the wavelength of the controlling light. This device has promising applications in AOC spiking neural networks for highly efficient optoelectronic neuromorphic ...
Lingxiang Hu, Jing Yang, Jingrui Wang, Peihong Cheng, Leon O. Chua, Fei Zhuge   +5 more
wiley   +1 more source

Principles and applications of x-ray light sources driven by laser wakefield acceleration

Physics of Plasmas, 2023
One of the most prominent applications of modern particle accelerators is the generation of radiation. In a synchrotron or an x-ray free electron laser (XFEL), high energy electrons oscillating in periodic magnetic structures emit bright x rays. In spite
F. Albert
semanticscholar   +1 more source

Implementation of the validation testing in MPPG 5.a “Commissioning and QA of treatment planning dose calculations–megavoltage photon and electron beams”

Journal of Applied Clinical Medical Physics, 2016
The AAPM Medical Physics Practice Guideline (MPPG) 5.a provides concise guidance on the commissioning and QA of beam modeling and dose calculation in radiotherapy treatment planning systems.
D. Jacqmin, J. Bredfeldt, S. Frigo, J. Smilowitz   +3 more
semanticscholar   +1 more source

Particle Accelerators and Gamma-therapeutic Devices - an Effective Tool for Cancer Treatment

International Journal on Applied Physics and Engineering, 2022
The review is based on the analysis of the state and the concept of modernization of world radiation oncology. The material contains brief information about the reasons for the use of radiation therapy for the treatment of cancer foci; active sources of ...
V. Krasilnikov, E. Kuplennikov
semanticscholar   +1 more source

Anomalous Photon-Induced Near-Field Electron Microscopy. [PDF]

Physical Review Letters, 2018
We reveal the classical and quantum regimes of free electron interaction with radiation, common to the general variety of radiation sources (e.g., a Smith-Purcell radiation), the dielectric laser accelerator, and photo-induced near-field electron ...
Yiming Pan, Bin Zhang, A. Gover
semanticscholar   +1 more source

Detector response and dose calculation lateral to material interfaces for 6 MV photon beam

Journal of Applied Clinical Medical Physics, Volume 26, Issue 11, November 2025.
Abstract Background Dose calculation around inhomogeneities is challenging for many algorithms. A validation of dose distributions in these conditions is not straightforward, as detector response close to material interfaces is affected by the non‐equilibrium situation, the changing energy spectrum and the volume effect in a steep dose gradient ...
Jonas Ringholz, Otto Andreas Sauer, Sonja Wegener   +2 more
wiley   +1 more source

Quantum Dots‐caused Retinal Degeneration in Zebrafish Regulated by Ferroptosis and Mitophagy in Retinal Pigment Epithelial Cells through Inhibiting Spliceosome

Advanced Science, Volume 11, Issue 46, December 11, 2024.
This study delves into the impact of QDs on the visual system, emphasizing the profound retinal degeneration caused by InP/ZnS QDs in zebrafish. The results illustrate InP/ZnS QDs‐caused retinal degeneration regulated by ferroptosis and mitophagy in RPE cells via inhibiting PRPF8‐related spliceosome. Furthermore, potential therapeutic interventions are
Naying Zheng, Tingting Liao, Chuchu Zhang, Zheyang Zhang, Sen Yan, Xiaohan Xi, Fengkai Ruan, Chunyan Yang, Qingliang Zhao, Wenbo Deng, Jialiang Huang, Zi‐Tao Huang, Zhi‐Feng Chen, Xiang Wang, Qingming Qu, Zhenghong Zuo, Chengyong He   +16 more
wiley   +1 more source

Beyond Photochromism: Alternative Stimuli to Trigger Diarylethenes Switching

Advanced Science, Volume 11, Issue 48, December 26, 2024.
This review summarizes the recent progress of diarylethenes utilizing beyond‐photo stimuli to trigger the isomerization reaction from three perspectives: acidochromism, thermochromism, and electrochromism. The molecule design strategies and mechanism behind the cyclization and cycloreversion processes are discussed. The related applications are stated.
Qi Ai, Kangjun Lan, Lin Li, Zugang Liu, Xiaoguang Hu   +4 more
wiley   +1 more source

Knudsen effusion mass spectrometry: Current and future approaches

Rapid Communications in Mass Spectrometry, Volume 38, Issue 14, 30 July 2024.
Rationale Knudsen effusion mass spectrometry (KEMS) has been a powerful tool in physical chemistry since 1954. There are many excellent reviews of the basic principles of KEMS in the literature. In this review, we focus on the current status and potential growth areas for this instrumental technique.
Nathan S. Jacobson, Jean‐Yves Colle, Valentina Stolyarova, Torsten Markus, Ioana Nuta   +4 more
wiley   +1 more source

Mapping of lithium ion concentrations in 3D structures through development of in situ correlative imaging of X‐ray Compton scattering‐computed tomography

Journal of Synchrotron Radiation, Volume 31, Issue 4, Page 888-895, July 2024.
A novel in situ correlative imaging X‐ray Compton scattering computed tomography technique has been developed to unravel the fundamental relationship between the materials chemistry of light elements and their 3D structures. Here, this technique is applied to two types of batteries to map the internal lithium‐ion concentrations.Understanding the ...
Chu Lun Alex Leung, Matthew D. Wilson, Thomas Connolley, Chun Huang   +3 more
wiley   +1 more source