Accurate measurement of the work function of electron-hole drops in germanium |
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| Authors: | James C. McGroddy Michel Voos Ove Christensen |
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| Affiliation: | IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598, U.S.A. |
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| Abstract: | The work function of electron-hole drops in Ge relative to free excitons is measured by an extremely simple and accurate technique. The threshold excitation power for drop condensation is determined as a function of temperature by observation of the sharp increase in shot noise associated with the drops in a collector junction. The resulting value of the work function is φ = 17.2 ± 1.0 K. |
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