TIARA 双微型光束系统升级后的初步光束形成

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2024-10-03 DOI:10.1016/j.nimb.2024.165539

Y. Ishii , R. Yamagata , T. Satoh , S. Matsuyama , T. Kamiya , S. Onoda

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引用次数: 0

摘要

本文全面研究了美国国家量子科学与技术研究所（QST）下属高崎先进量子科学研究所的重离子微束（H-MB）和光离子微束（L-MB）系统的改进及其对未来离子微束技术研究的影响。我们的工作解决了先进离子微束应用中对亚微米束尺寸的关键需求，由于原始系统设计的局限性和组件老化，这一挑战以前一直没有得到解决。手稿详细介绍了对 H-MB 和 L-MB 系统进行的大量升级工作，包括实施新的四倍磁体、改进消磁策略和先进的控制系统，最终成功形成了亚微米离子束。H-MB 和 L-MB 的细致对准程序实现了离子束的精确聚焦。在 3 MeV H+ 光束下，H-MB 的当前光束尺寸为 1.0 × 1.1 µm2，光束电流约为 10 pA；L-MB 的当前光束尺寸为 500 × 600 nm2，光束电流约为 50 pA。

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Preliminary beam formations after the upgrade of the TIARA two microbeam systems

This paper presents a comprehensive study on the enhancements made to the heavy-ion microbeam (H-MB) and light-ion microbeam (L-MB) systems at the Takasaki Institute for Advanced Quantum Science, part of the National Institutes for Quantum Science and Technology (QST), and their implications for future research in ion microbeam technology. Our work addresses the critical need for submicron beam sizes in advanced ion microbeam applications, a challenge previously unmet due to limitations in the original system designs and aging components. The manuscript details the extensive upgrades undertaken for both the H-MB and L-MB systems, including the implementation of new quadruple magnets, refined demagnification strategies, and advanced control systems, culminating in the successful formation of submicron ion beams. The meticulous alignment procedures for both the H-MB and L-MB have enabled precise ion beam focusing. The current beam sizes have been measured at 1.0 × 1.1 µm² with a beam current of approximately 10 pA for the H-MB, and 500 × 600 nm² with a beam current of approximately 50 pA for the L-MB at a 3 MeV H⁺ beam.

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来源期刊

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 物理-核科学技术

CiteScore

2.80

自引率

7.70%

发文量

231

审稿时长

1.9 months

期刊介绍： Section B of Nuclear Instruments and Methods in Physics Research covers all aspects of the interaction of energetic beams with atoms, molecules and aggregate forms of matter. This includes ion beam analysis and ion beam modification of materials as well as basic data of importance for these studies. Topics of general interest include: atomic collisions in solids, particle channelling, all aspects of collision cascades, the modification of materials by energetic beams, ion implantation, irradiation - induced changes in materials, the physics and chemistry of beam interactions and the analysis of materials by all forms of energetic radiation. Modification by ion, laser and electron beams for the study of electronic materials, metals, ceramics, insulators, polymers and other important and new materials systems are included. Related studies, such as the application of ion beam analysis to biological, archaeological and geological samples as well as applications to solve problems in planetary science are also welcome. Energetic beams of interest include atomic and molecular ions, neutrons, positrons and muons, plasmas directed at surfaces, electron and photon beams, including laser treated surfaces and studies of solids by photon radiation from rotating anodes, synchrotrons, etc. In addition, the interaction between various forms of radiation and radiation-induced deposition processes are relevant.