期刊
PHYSICAL REVIEW B
卷 87, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.045409
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资金
- Deutsche Forschungsgemeinschaft [GR 1409/5-1]
The nonequilibrium distribution of electrons at the junction of a scanning tunneling microscope is investigated by detecting photons with energies hv > eV, where V is the bias voltage. Electrons are found at energies exceeding the Fermi level by almost eV. While their distribution deviates from a Fermi-Dirac function it is consistent with a model of hot electrons and holes that diffuse in energy and real space. DOI: 10.1103/PhysRevB.87.045409
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