Nature Materials on X: "Metal-tip-based electron sources are constrained by a trade-off between energy spread and pulse width. Here the authors report a carbon-nanotube-based electron source with a 0.3-eV energy spread and an electron pulse width of about 13 fs. https://t.co/U3pMGKcmEl"

Nature Materials

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Metal-tip-based electron sources are constrained by a trade-off between energy spread and pulse width. Here the authors report a carbon-nanotube-based electron source with a 0.3-eV energy spread and an electron pulse width of about 13 fs. nature.com/articles/s4156…

8:29 AM · Jul 15, 2025·

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