Journal
STRUCTURAL DYNAMICS-US
Volume 7, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/4.0000037
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Funding
- ETH Zurich
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We present experimental evidence of a spin voltage-a difference between the chemical potentials of the two spin directions-in a thin iron film based on spin- and time-resolved photoemission spectroscopy. This voltage is the driving force for a spin current during the ultrafast demagnetization of the sample. The observed magnitude is on the order of 50 mV, a value that is quite consistent with predictions based on particle conservation and persists for approximately 100 fs.
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