🔬 physics

Focused Electron Beam Induced Deposition of Magnetic 3D Iron Nano-bridges through Dwell Time Simulation Assistance with Plasma-Based Purification

本研究通过将用于精确生长控制的停留时间模拟辅助校准与用于实现超过80%铁含量的等离子体基沉积后纯化相结合,展示了一种制备高纯度、高保真度三维铁磁铁纳米结构的稳健方法。

Sameh Okasha, Shriyar Tariq, Attila Kákay, Ryan Yang, Gregor Hlawacek, Akhil Nair, Rafal Dunin-Borkowski2026-06-30
🔬 physics

A Cycling Spacecraft for Harvesting Antimatter from the Sun: Magnetic-Funnel Capture, Species-Selective Trapping, and a Laser-Propelled Sun–Earth Service Architecture (v4)

本文介绍了激光驱动循环航天器架构的第4个版本,该架构利用扩展的高温超导磁漏斗和先进的物种选择性捕获技术来收集微克级的太阳正电子并将其输送至地球轨道存储站,同时承认目前的产量仍处于研究级而非能量级水平。

Hasan Börekci2026-06-30
🔬 physics

Toward a Measurement of Stellar Oxygen Formation with the Warsaw Active Target TPC Operating in Gamma Beams

本文报告了利用华沙电子读出型时间投影室(TPC)在伽马射线束中,对 12C(α,γ)16O^{12}\text{C}(\alpha,\gamma)^{16}\text{O} 反应进行的显著改进且无背景测量,该研究成功验证了关于 E1–E2 干涉的量子力学预测,并为将截面外推至恒星能量水平铺平了道路。

Kristian Haverson, Mikołaj Ćwiok, Wojciech Dominik, Aleksandra Fijałkowska, Mateusz Fila, Zenon Janas, Artur Kalinowski (…)2026-06-30