Electronic properties of hafnium oxide: A contribution from defects and traps

VA Gritsenko, TV Perevalov, DR Islamov - Physics Reports, 2016 - Elsevier
In the present article, we give a review of modern data and latest achievements pertaining to
the study of electronic properties of oxygen vacancies in hafnium oxide. Hafnium oxide is a …

Complete band offset characterization of the HfO2/SiO2/Si stack using charge corrected x-ray photoelectron spectroscopy

E Bersch, M Di, S Consiglio, RD Clark… - Journal of Applied …, 2010 - pubs.aip.org
The HfO 2–Si valence and conduction band offsets (VBO and CBO, respectively) of
technologically relevant HfO 2/SiO 2/Si film stacks have been measured by several methods …

Modified Tauc–Lorentz dispersion model leading to a more accurate representation of absorption features below the bandgap

DV Likhachev, N Malkova, L Poslavsky - Thin Solid Films, 2015 - Elsevier
We reviewed studies reporting the applications of the Tauc–Lorentz (TL) parameterization
for the complex dielectric function in spectroscopic ellipsometry. Since this model became …

Comparison of methods to determine bandgaps of ultrathin HfO2 films using spectroscopic ellipsometry

M Di, E Bersch, AC Diebold, S Consiglio… - Journal of Vacuum …, 2011 - pubs.aip.org
With the replacement of SiO 2 by high-k Hf-based dielectrics in complementary metal–oxide–
semiconductor technology, the measurement of the high-k oxide bandgap is a high priority …

The origin of 2.7 eV luminescence and 5.2 eV excitation band in hafnium oxide

TV Perevalov, VS Aliev, VA Gritsenko… - Applied Physics …, 2014 - pubs.aip.org
The origin of a blue luminescence band at 2.7 eV and a luminescence excitation band at 5.2
eV of hafnia has been studied in stoichiometric and non-stoichiometric hafnium oxide films …

EUV photolithography: resist progress in metal–organic complex photoresists

H Xu, V Kosma, K Sakai, EP Giannelis… - Journal of Micro …, 2019 - spiedigitallibrary.org
With the rapid development of semiconductors, today's optical lithography is approaching its
physical limits, and thus alternative patterning technology is urgently needed. Extreme …

The Optical Absorption and Photoluminescence Characteristics of Evaporated and IAD HfO2 Thin Films

M Kong, B Li, C Guo, P Zeng, M Wei, W He - Coatings, 2019 - mdpi.com
HfO2 thin films are extensively applied in optical coatings and microelectronic devices.
However, film defects, which are vital to the performance of the thin films, are still under …

[HTML][HTML] Optical and structural characterization of thermal oxidation effects of erbium thin films deposited by electron beam on silicon

HS Kamineni, VK Kamineni, RL Moore… - Journal of Applied …, 2012 - pubs.aip.org
Thermal oxidation effects on the structural, compositional, and optical properties of erbium
films deposited on silicon via electron beam evaporation were analyzed by x-ray diffraction …

Optical characterization of HfO2 by spectroscopic ellipsometry: Dispersion models and direct data inversion

J Sancho-Parramon, M Modreanu, S Bosch… - Thin Solid Films, 2008 - Elsevier
Hafnium oxide (HfO2) has attracted much interest as high-k material of choice for gate oxide
replacement in future CMOS technologies and for its use in optical coating technology. The …

Effects of strain on the electronic, optical, and ferroelectric transition properties of HfO2: ab initio simulation study

J Wu - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
The amazing ferroelectricity observed in Hafnium oxide (HfO2) thin films is due to the
existence of non-centrosymmetric orthorhombic Pca2 1 phase. In this study, the structural …