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Open Access
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Experimental demonstration of the mechanism of steady-state microbunching
The mechanism of steady-state electron microbunching is demonstrated, providing a basis that will enable its full implementation in electron storage rings to generate high-repetition, high-power coherent radiation.
- Xiujie Deng
- , Alexander Chao
- & Lixin Yan
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Letter |
Structural colour using organized microfibrillation in glassy polymer films
Standing-wave optics can be used to control microfibril and cavity formation in polymer films and the resulting porous layered structures can produce tunable structural colour, enabling inkless ‘printing’ of images.
- Masateru M. Ito
- , Andrew H. Gibbons
- & Easan Sivaniah
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News |
A giant bid to etch tiny circuits
Intel invests US$1 billion into extreme-ultraviolet light technology that will quarter the size of transistors.
- Katherine Bourzac
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Letter |
Hard-tip, soft-spring lithography
Scanning probe techniques such as atomic force microscopy can be readily harnessed to prepare nanoscale structures with exquisite resolution, but are not in general suited for high-throughput patterning. Techniques based on contact printing, on the other hand, offer high throughput over large areas, but can't compete on resolution. Now, an approach is described that offers the best of both worlds: by attaching an array of hard, scanning-probe-like silicon tips to a flexible elastomeric substrate (similar to those used in contact printing), it is possible to rapidly create arbitrary patterns with sub-50-nm resolution over centimetre-scale areas.
- Wooyoung Shim
- , Adam B. Braunschweig
- & Chad A. Mirkin