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Electron accumulati...
Electron accumulation at the InAs(110) cleavage surface
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Karlsson, H S (author)
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Viselga, R (author)
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- Karlsson, Ulf O (author)
- KTH,Skolan för informations- och kommunikationsteknik (ICT),Materialfysik
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(creator_code:org_t)
- 1998
- 1998
- English.
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In: Surface Science. - 0039-6028 .- 1879-2758. ; 402:1-3, s. 590-594
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https://urn.kb.se/re...
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Abstract
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- The InAs(110) cleavage surface is studied by photoelectron spectroscopy based on an amplified short-pulse titanium:sapphire laser system in both probe-only and pump-and-probe modes. The probe-only spectra show that electrons accumulate in the conduction band at the surface as a function of time after cleavage, while the pump-and-probe spectra show a different response from the excited accumulation layer peak when using s- and p-polarized probe pulses. Moreover, no surface photovoltage is detected when the accumulation layer is optically pumped. (C) 1998 Elsevier Science B.V. All rights reserved.
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