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VOLUME 42 (1985) | ISSUE 7 | PAGE 272
Transfer of electronic-excitation energy of germanium to liquid helium
A transfer of energy stored in electron-hole droplets during the excitation of germanium to liquid helium has been observed. The release of the energy of the droplets at the surface of the sample causes the liquid helium to boil up, and sound is emitted. Data have been obtained on the formation time and lifetime of a vapor bubble formed during this incipient boiling.