Details
Original language | English |
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Title of host publication | Nanoscaled Semiconductor-on-Insulator Materials, Sensors and Devices |
Pages | 167-178 |
Number of pages | 12 |
Publication status | Published - 4 Jul 2011 |
Event | 6th International Workshop on Semiconductor-on-Insulator Materials and Devices - Kyiv, Ukraine Duration: 24 Oct 2010 → 28 Oct 2010 |
Publication series
Name | Advanced Materials Research |
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Volume | 276 |
ISSN (Print) | 1022-6680 |
Abstract
The paper presents the results of electrical characterization of the interface and bulk properties of high-k Gd2O3 and Nd 2O3 dielectrics epitaxially grown on silicon substrates. The limitations of the conductance technique for correct determination of the interface state density due to the presence of leakage currents through the dielectric are discussed. The charge carrier transport through the dielectric film was found to occur via the variable-range hopping conductance mechanism. The density of the interface states and their energy distribution for (100) and (111) Si orientation and the Gd2O3/Si and Nd 2O3/Si interfaces were determined. The density and energy location of the bulk localized states in the band gap of the Gd 2O3 and Nd2O3 dielectrics were estimated and a plausible nature of the observed defects was suggested.
Keywords
- High-k dielectric, Interface state density, Rare-earth metal oxide
ASJC Scopus subject areas
- Engineering(all)
- General Engineering
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Nanoscaled Semiconductor-on-Insulator Materials, Sensors and Devices. 2011. p. 167-178 (Advanced Materials Research; Vol. 276).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Interface and Bulk Properties of High-k Gadolinium and Neodymium Oxides on Silicon
AU - Gomeniuk, Y. Y.
AU - Gomeniuk, Y. V.
AU - Nazarov, A. N.
AU - Lysenko, V. S.
AU - Osten, H. J.
AU - Laha, A.
PY - 2011/7/4
Y1 - 2011/7/4
N2 - The paper presents the results of electrical characterization of the interface and bulk properties of high-k Gd2O3 and Nd 2O3 dielectrics epitaxially grown on silicon substrates. The limitations of the conductance technique for correct determination of the interface state density due to the presence of leakage currents through the dielectric are discussed. The charge carrier transport through the dielectric film was found to occur via the variable-range hopping conductance mechanism. The density of the interface states and their energy distribution for (100) and (111) Si orientation and the Gd2O3/Si and Nd 2O3/Si interfaces were determined. The density and energy location of the bulk localized states in the band gap of the Gd 2O3 and Nd2O3 dielectrics were estimated and a plausible nature of the observed defects was suggested.
AB - The paper presents the results of electrical characterization of the interface and bulk properties of high-k Gd2O3 and Nd 2O3 dielectrics epitaxially grown on silicon substrates. The limitations of the conductance technique for correct determination of the interface state density due to the presence of leakage currents through the dielectric are discussed. The charge carrier transport through the dielectric film was found to occur via the variable-range hopping conductance mechanism. The density of the interface states and their energy distribution for (100) and (111) Si orientation and the Gd2O3/Si and Nd 2O3/Si interfaces were determined. The density and energy location of the bulk localized states in the band gap of the Gd 2O3 and Nd2O3 dielectrics were estimated and a plausible nature of the observed defects was suggested.
KW - High-k dielectric
KW - Interface state density
KW - Rare-earth metal oxide
UR - http://www.scopus.com/inward/record.url?scp=79960416051&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMR.276.167
DO - 10.4028/www.scientific.net/AMR.276.167
M3 - Conference contribution
AN - SCOPUS:79960416051
SN - 9783037851784
T3 - Advanced Materials Research
SP - 167
EP - 178
BT - Nanoscaled Semiconductor-on-Insulator Materials, Sensors and Devices
T2 - 6th International Workshop on Semiconductor-on-Insulator Materials and Devices
Y2 - 24 October 2010 through 28 October 2010
ER -