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Start Over Author "N.W. Wang" Publisher american physical society (aps)
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1. Simultaneous high resolution meausurement of phonons and ionization created by particle interactions in a 60 g germanium crystal at 25 mK

Author

N.W. Wang, Bernard Sadoulet, J. Rich, Christopher W. Stubbs, Peter D. Barnes, Andrew E. Lange, D. Yvon, W. Stockwell, Betty A. Young, B. Ellman, Da Silva A, A. C. Cummings, T. A. Shutt, Y. Giraud-Héraud, G. Smith, Ronald R. Ross, J. Emes, E. E. Haller, and Scott A. White

Subjects
Physics, business.industry, Phonon, General Physics and Astronomy, chemistry.chemical_element, Germanium, Charge (physics), Electron hole, Trapping, Crystal, Semiconductor, chemistry, Ionization, Atomic physics, business
Abstract

We demonstrate simultaneous high energy resolution (rms≃800 eV) measurements of ionization and phonons created by particle interactions in a semiconductor crystal of macroscopic size (60 g germanium) at 25 mK. We present first studies of charge collection at biases below 1 V/cm, and find that, contrary to commonly held opinion, the full recoil energy of particle interactions is recovered as phonons when charge trapping is negligible. We also report an unanticipated correlation between charge collection and phonon energy at very low bias, and discuss this effect in terms of charge trapping

Published
1992
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