Scientists employ powerful laser to breathe new life into old technology for studying atomic-level structuresQuicklink submitted by Kyle McDermott Permalink
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|A multi-university team has employed a high-powered laser to dramatically improve one of the tools scientists use to study the world at the atomic level. The team was able to use their amped-up electron paramagnetic resonance spectrometer to study the electron spin of free radicals and nitrogen atoms trapped inside a diamond. The improvement will pull back the veil that shrouds the molecular world, allowing scientists to study tiny molecules at a high resolution. 'We developed the world's first free-electron laser powered EPR spectrometer. This ultra high-frequency high-power EPR system gives us extremely good time resolution. E.g., it enables us to film biological molecules in motion.' 'Each electron can be thought of as a tiny magnet which senses the magnetic fields caused by atoms in its nano-neighborhood.' 'With FEL-powered EPR, we have shattered the electromagnetic bottleneck...|
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