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Effective reduction...
Effective reduction of trap density at the Y2O3/Ge interface by rigorous high-temperature oxygen annealing
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Bethge, O. (författare)
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Zimmermann, C. (författare)
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Lutzer, B. (författare)
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Simsek, S. (författare)
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Smoliner, J. (författare)
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Stoeger-Pollach, M. (författare)
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- Henkel, Christoph (författare)
- KTH,Integrerade komponenter och kretsar
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Bertagnolli, E. (författare)
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(creator_code:org_t)
- AIP Publishing, 2014
- 2014
- Engelska.
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Ingår i: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 116:21, s. 214111-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The impact of thermal post deposition annealing in oxygen at different temperatures on the Ge/Y2O3 interface is investigated using metal oxide semiconductor capacitors, where the yttrium oxide was grown by atomic layer deposition from tris(methylcyclopentadienyl) yttrium and H2O precursors on n-type (100)-Ge substrates. By performing in-situ X-ray photoelectron spectroscopy, the growth of GeO during the first cycles of ALD was proven and interface trap densities just below 1 x 10(11) eV(-1) cm(-2) were achieved by oxygen annealing at high temperatures (550 degrees C-600 degrees C). The good interface quality is most likely driven by the growth of interfacial GeO2 and thermally stabilizing yttrium germanate.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Annealing
- Atomic layer deposition
- Charge coupled devices
- Deposition
- Germanium
- Interfaces (materials)
- MOS devices
- Oxygen
- Yttrium
- Yttrium alloys
- Yttrium oxide
- Ge substrates
- High temperature
- Interface quality
- Interface trap density
- Metal-oxide-semiconductor capacitors
- Oxygen annealing
- Post deposition annealing
- Situ x-ray photoelectron spectroscopy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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