In the experiment, the scientists moved the electric tip along the surface and applied a positive voltage. The electric field aligns the spins of the electrons in the nonmagnetic material, and the ordering creates magnetic properties. If the voltage is reversed, the spins once again become disordered and magnetism is lost. The researchers were able to see the changes using X-ray microscopy at the Stanford Synchrotron Radiation Lightsource.
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SSRL utilizes x-rays produced by its accelerator, the Stanford Positron Electron Asymmetric Ring (SPEAR3), shown in this photo from 2004.
Catching up to Electrons on the Move
Sunrise timelapse of Stanford Synchrotron Radiation Lightsource (SSRL)
SSRL utilizes x-rays produced by its accelerator, the Stanford Positron Electron Asymmetric Ring (SPEAR3), shown in this photo from 2004.
Catching up to Electrons on the Move
Sunrise timelapse of Stanford Synchrotron Radiation Lightsource (SSRL)
Deep inside rocky planets like Earth, the behavior of iron can greatly affect the properties of molten rock materials: properties that influenced how Earth...
