New Quantum Effect Spinaron (IMAGE)
Caption
The cobalt atom (red) has a magnetic moment (“spin,” blue arrow ), which is constantly reoriented (from spin-up to spin-down) by an external magnetic field. As a result, the magnetic atom excites the electrons of the copper surface (gray), causing them to oscillate (creating ripples). This revelation by the Würzburg-Dresden Cluster of Excellence ct.qmat was made possible thanks to the physicists’ inclusion of an iron tip (yellow) on their scanning tunneling microscope.
Credit
Juba Bouaziz / Ulrich Puhlfürst
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