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Core-level shifts o...
Core-level shifts of the c(8 x 2)-reconstructed InAs(100) and InSb(100) surfaces
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- Laukkanen, P. (author)
- Tammerfors tekniska universitet,Tampere University of Technology,Turun Yliopisto,University of Turku
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- Punkkinen, Marko Patrick John (author)
- KTH,Materialvetenskap,Turun Yliopisto,University of Turku,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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- Ahola-Tuomi, M. (author)
- Turun Yliopisto,University of Turku
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- Lång, J. (author)
- Turun Yliopisto,University of Turku
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- Schulte, Karina (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Pietzsch, Annette (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Kuzmin, M. (author)
- Turun Yliopisto,University of Turku,Russian Academy of Sciences
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- Sadowski, Janusz (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Adell, Johan, 1980 (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Perälä, R. E. (author)
- Turun Yliopisto,University of Turku
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- Ropo, M. (author)
- Åbo Akademi Universitet,Åbo Akademi University
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- Kokko, K. (author)
- Turun Yliopisto,University of Turku
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- Vitos, Levente (author)
- KTH,Tillämpad materialfysik,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH),Magyar Tudomanyos Akademia,Hungarian Academy of Sciences,Uppsala universitet,Uppsala University,Materialteori
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- Johansson, Börje (author)
- KTH,Tillämpad materialfysik,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH),Dalian University of Technology,Uppsala universitet,Uppsala University,Materialteori
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- Pessa, M. (author)
- Tammerfors tekniska universitet,Tampere University of Technology
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- Väyrynen, I. J. (author)
- Turun Yliopisto,University of Turku
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- English.
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In: Journal of Electron Spectroscopy and Related Phenomena. - : Elsevier BV. - 0368-2048 .- 1873-2526. ; 177:1, s. 52-57
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Abstract
Subject headings
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- We have studied In-stabilized c(8 2)-reconstructed InAs(1 0 0) and InSb(1 0 0) semiconductor surfaces, which play a key role in growing improved III-V interfaces for electronics devices, by core-level photoelectron spectroscopy and first-principles calculations. The calculated surface core-level shifts (SCLSs) for the zeta and zeta a models, which have been previously established to describe the atomic structures of the III-V(1 00)c(8 x 2) surfaces, yield hitherto not reported interpretation for the As 3d, In 4d, and Sb 4d core-level spectra of the III-V(1 00)c(8 x 2) surfaces, concerning the number and origins of SCLSs. The fitting analysis of the measured spectra with the calculated zeta and zeta a SCLS values shows that the InSb spectra are reproduced by the zeta SCLSs better than by the zeta a SCLSs. Interestingly, the zeta a fits agree better with the InAs spectra than the zeta fits do, indicating that the zeta a model describes the InAs surface better than the InSb surface. These results are in agreement with previous X-ray diffraction data. Furthermore, an introduction of the complete-screening model, which includes both the initial and final state effects, does not improve the fitting of the InSb spectra, proposing the suitability of the initial-state model for the SCLSs of the III-V(1 0 0)c(8 x 2) surfaces. The found SCLSs are discussed with the ab initio on-site charges.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Surface core-level shift (SCLS)
- Synchrotron radiation photoelectron
- spectroscopy
- Ab initio calculations
- Surface reconstruction
- Indium
- arsenide (InAs)
- Indium antimonide (InSb)
- initio molecular-dynamics
- total-energy calculations
- augmented-wave
- method
- charge-transfer
- compound semiconductors
- gaas(001) surface
- basis-set
- photoemission
- reconstruction
- adsorption
- Material physics with surface physics
- Materialfysik med ytfysik
- Indium
- arsenide (InAs)
- Indium antimonide (InSb)
- Surface reconstruction
- Ab initio calculations
- spectroscopy
- Surface core-level shift (SCLS)
- Synchrotron radiation photoelectron
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Laukkanen, P.
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Punkkinen, Marko ...
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Ahola-Tuomi, M.
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Lång, J.
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Schulte, Karina
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Pietzsch, Annett ...
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show more...
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Kuzmin, M.
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Sadowski, Janusz
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Adell, Johan, 19 ...
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Perälä, R. E.
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Ropo, M.
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Kokko, K.
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Vitos, Levente
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Johansson, Börje
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Pessa, M.
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Väyrynen, I. J.
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show less...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Other Engineerin ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Other Engineerin ...
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NATURAL SCIENCES
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- By the university
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Royal Institute of Technology
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Chalmers University of Technology
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Lund University
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Uppsala University