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Michael De Volder, Engineering Department - IfM
 

A carbon-nanotube-based electron source with a 0.3-eV energy spread and an unconventional time delay

http://feeds.nature.com/nmat/rss/current - Wed, 02/07/2025 - 00:00

Nature Materials, Published online: 02 July 2025; doi:10.1038/s41563-025-02279-7

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.

Wed 09 Jul 18:00: Vanished: An Unnatural History of Extinction

http://talks.cam.ac.uk/show/rss/5408 - Tue, 01/07/2025 - 15:28
Vanished: An Unnatural History of Extinction

Join us for a fantastic lecture by Prof Sadiah Qureshi on her new book, Vanished, with an introduction by Helen Macdonald.

Why do some lives and histories disappear from view — and who decides what is remembered? In this keynote lecture, historian Sadiah Qureshi shares insights from her acclaimed new book Vanished, which explores how empire, race, and power shaped what the past was allowed to keep — and what it chose to forget. Drawing on stories of lost people, places, and knowledge, Vanished asks urgent questions about memory, erasure, and the making of history. The lecture will be introduced by Helen Macdonald, author of H is for Hawk, and followed by a discussion led by Sarah Qidwai.

This event is free and open to the public, and is organised by the British Society for the History of Science and the Department of History and Philosophy of Science.

Sign up at Eventbrite

Read The Guardian’s interview with Sadiah Qureshi

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All-solid-state batteries stabilized with electro-mechano-mediated phosphorus anodes

http://feeds.rsc.org/rss/ee - Tue, 01/07/2025 - 11:47

Energy Environ. Sci., 2025, Advance Article
DOI: 10.1039/D4EE05704J, PaperKaier Shen, Xuhui Yao, Huimin Song, Weize Shi, Chenxi Zheng, Xufeng Hong, Yingjing Yan, Xu Liu, Lujun Zhu, Yun An, Tinglu Song, Muhammad Burhan Shafqat, Chenyan Ma, Lei Zheng, Peng Gao, Yakun Liu, Mohammadhosein Safari, Yunlong Zhao, Quanquan Pang
An electro-mechano-mediation strategy was developed to enhance charge transport kinetics and mitigate the chemo-mechanical degradation of P anodes, which enables stable cycling of high-areal-capacity, all-solid-state lithium batteries.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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4 January 2021

We are seeking to hire a research assistant to work on carbon nanotube based microdevices. More information is available here: www.jobs.cam.ac.uk/job/28202/

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4 January 2021

We are seeking to hire a postdoc researcher to work on the structuring of Li-ion battery electrodes. More information is available here: www.jobs.cam.ac.uk/job/28197/