- The origin of the local 1/4-keV X-ray flux in both charge exchange and a hot bubbleThe solar neighbourhood is the closest and most easily studied sample of the Galactic interstellar medium, an understanding of which is essential for models of star formation and galaxy evolution. Observations of an unexpectedly intense diffuse flux of easily absorbed 1/4-kiloelectronvolt X-rays, coupled with the discovery that interstellar space within abou […]
- Solid-state physics: Siphoning spinsTopological insulators are materials known for their remarkable electron-transport properties. They now emerge as excellent sources of electron spins for manipulating tiny magnets. See Letter p.449 […]
- Spin-transfer torque generated by a topological insulatorMagnetic devices are a leading contender for the implementation of memory and logic technologies that are non-volatile, that can scale to high density and high speed, and that do not wear out. However, widespread application of magnetic memory and logic devices will require the development of efficient mechanisms for reorienting their magnetization using the […]
- The origin of the local 1/4-keV X-ray flux in both charge exchange and a hot bubble
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