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Royal Society of Chemistry, Nanoscale, 21(13), p. 9686-9697, 2021

DOI: 10.1039/d1nr01355f

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Optical study of electron and acoustic phonon confinement in ultrathin-body germanium-on-insulator nanolayers

Journal article published in 2021 by Vladimir Poborchii ORCID, Jesse Groenen, Pavel I. Geshev, Junichi Hattori, Wen Hsin Chang ORCID, Hiroyuki Ishii, Toshifumi Irisawa, Tatsuro Maeda
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Ge-on-insulator (GeOI) acoustic phonon frequencies and E1 electron band gap vs. GeOI thickness (T) show agreement with confinement theories at T > 5 nm and disagree at T < 5 nm. Al2O3 coating improves agreement at T < 5 nm due to interface disorder reduction.