加速器
Online ISSN : 2436-1488
Print ISSN : 1349-3833
話題
相対論的フェムト秒パルス電子顕微鏡の開発
楊 金峰保田 英洋吉田 陽一
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ジャーナル フリー

2021 年 18 巻 2 号 p. 81-88

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Femtosecond atomic-scale imaging is a most challenging subject in materials science and has long been a cherished dream tool for scientists wishing to study ultrafast structural dynamics. In this research, we aim to develop an innovative relativistic femtosecond-pulsed electron microscope by combining a radio-frequency (RF) acceleration-based electron gun technology into high-voltage electron microscope. In this paper, we reported the concept and construction of the relativistic femtosecond-pulsed electron microscope. Some demonstrations of electron microscopy imaging with 3.1-MeV femtosecond electron pulses were presented. The potential of RF gun for electron microscope was discussed.

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