Germanium CMOS potential from material and process perspectives: Be more positive about germanium

A Toriumi, T Nishimura - Japanese Journal of Applied Physics, 2017 - iopscience.iop.org
CMOS miniaturization is now approaching the sub-10 nm level, and further downscaling is
expected. This size scaling will end sooner or later, however, because the typical size is …

Optical constants of germanium and thermally grown germanium dioxide from 0.5 to 6.6 eV via a multisample ellipsometry investigation

TN Nunley, NS Fernando, N Samarasingha… - Journal of Vacuum …, 2016 - pubs.aip.org
Thermal GeO2 oxides up to 136nm thickness were produced by annealing Ge wafers in
pure oxygen at 550 C and 270kPa pressure for up to 10 h. The oxidation kinetics followed …

[HTML][HTML] Rutile GeO2: An ultrawide-band-gap semiconductor with ambipolar do**

S Chae, J Lee, KA Mengle, JT Heron… - Applied Physics …, 2019 - pubs.aip.org
Ultra-wide-band-gap (UWBG) semiconductors have tremendous potential to advance
electronic devices as device performance improves superlinearly with the increasing gap …

Electroluminescence from Er-doped GeO2 nanofilms fabricated by atomic layer deposition on silicon: Effect of annealing temperature on film properties

R Ma, Z Yu, Z Ye, Y Yang, J Sun - Applied Surface Science, 2023 - Elsevier
Abstract Er-doped GeO 2 (GeO 2: Er) nanofilms are fabricated by atomic layer deposition on
silicon, from which the 1530 nm electroluminescence (EL) is achieved. The GeO 2: Er …

Study on temperature-dependent growth characteristics of germanium oxide film by plasma-enhanced atomic layer deposition

D Shin, H Park, SY Kim, DH Ko - Thin Solid Films, 2023 - Elsevier
Germanium oxide (GeO x) films were grown by plasma-enhanced atomic layer deposition
(PE-ALD) at 70, 130, 190 and 250° C, using tetrakis (dimethylamino)-germanium as a …

Thermal oxidation kinetics of germanium

X Wang, T Nishimura, T Yajima, A Toriumi - Applied Physics Letters, 2017 - pubs.aip.org
Thermal oxidation kinetics of Ge was investigated by the 18 O tracing study and re-oxidation
experiments of the SiO 2/GeO 2 stacked oxide-layer. The results suggest that Ge oxidation …

Interface Modification by Ga2O3 Atomic Layers within Er-Doped GeO2 Nanofilms for Enhanced Electroluminescence and Operation Stability

Z Ye, Z Yan, X Guo, Y Yang, J Sun - ACS Applied Materials & …, 2025 - ACS Publications
For silicon-based devices using dielectric oxides doped with rare earth ions, their
electroluminescence (EL) performance relies on the sufficient carrier injection. In this work …

Thermodynamics, kinetics model, and reaction mechanism of low-vacuum phosphate reduction process for germanium recovery from optical fiber scraps

L Zhang, Q Song, Z Xu - ACS sustainable chemistry & …, 2018 - ACS Publications
Germanium, because of its unique performance, has been widely used in the manufacture of
optical fiber. Recycling germanium is significant because of geographical scarcity and …

Formation of germanium nanocrystals and amorphous nanoclusters in GeSiOx films using electron beam annealing

F Zhang, VA Volodin, EA Baranov, VO Konstantinov… - Vacuum, 2022 - Elsevier
Electron beam annealing was used for the first time to form amorphous and crystalline
germanium clusters in GeO [SiO] and GeO [SiO 2] films deposited on fused silica and c-Si …

Structural, elastic, and mechanical properties of germanium dioxide from first-principles calculations

QJ Liu, ZT Liu - Materials science in semiconductor processing, 2014 - Elsevier
The structural, elastic, and mechanical properties of the available experimental and
theoretical phases of germanium dioxide (GeO 2) are investigated. Germanium dioxide …