[HTML][HTML] Challenges and opportunities of ZnO-related single crystalline heterostructures

Y Kozuka, A Tsukazaki, M Kawasaki - Applied Physics Reviews, 2014 - pubs.aip.org
Recent technological advancement in ZnO heterostructures has expanded the possibility of
device functionalities to various kinds of applications. In order to extract novel device …

Parity-independent Kondo effect of correlated electrons in electrostatically defined ZnO quantum dots

K Noro, Y Kozuka, K Matsumura, T Kumasaka… - Nature …, 2024 - nature.com
Quantum devices such as spin qubits have been extensively investigated in electrostatically
confined quantum dots using high-quality semiconductor heterostructures like GaAs and Si …

Interplay of spin–orbit coupling and Coulomb interaction in ZnO-based electron system

D Maryenko, M Kawamura, A Ernst, VK Dugaev… - Nature …, 2021 - nature.com
Spin–orbit coupling (SOC) is pivotal for various fundamental spin-dependent phenomena in
solids and their technological applications. In semiconductors, these phenomena have been …

The impact of Mg content on the structural, electrical and optical properties of MgZnO alloys: A first principles study

Y Hu, B Cai, Z Hu, Y Liu, S Zhang, H Zeng - Current Applied Physics, 2015 - Elsevier
The structural, electronic and optical properties of wurtzite MgZnO with Mg concentration
ranging from 0 to 0.5 are studied using the first principle calculations. It's found that the …

Spin independence of the strongly enhanced effective mass in ultra-clean SiGe/Si/SiGe two-dimensional electron system

MY Melnikov, AA Shakirov, AA Shashkin, SH Huang… - Scientific Reports, 2023 - nature.com
The effective mass at the Fermi level is measured in the strongly interacting two-dimensional
(2D) electron system in ultra-clean SiGe/Si/SiGe quantum wells in the low-temperature limit …

Transport evidence for the quantum Wigner solid formation in two-dimensional electron systems

AA Shashkin, MY Melnikov, SV Kravchenko - Physica E: Low-dimensional …, 2025 - Elsevier
In this Review, we report compelling transport evidence for the formation of a quantum
Wigner solid in two-dimensional (2D) electron systems in silicon metal–oxide …

Renormalized Landau quasiparticle dispersion revealed by photoluminescence spectra from a two-dimensional Fermi liquid at the MgZnO/ZnO heterointerface

VV Solovyev, IV Kukushkin - Physical Review B, 2017 - APS
We analyze the low-temperature photoluminescence spectra from two-dimensional electron
systems (2DESs) confined at Mg x Zn 1− x O/ZnO heterojunctions as the electron density is …

The structural, electrical and optical properties of Mg-doped ZnO with different interstitial Mg concentration

Y Hu, H Zeng, J Du, Z Hu, S Zhang - Materials Chemistry and Physics, 2016 - Elsevier
Through first principle calculations, we studied the structural, electronic and optical
properties of ZnO doped by interstitial Mg. With the increase of Mg content (x), the …

Microwave magnetoplasma resonances of two-dimensional electrons in MgZnO/ZnO heterojunctions

VE Kozlov, AB Van'Kov, SI Gubarev, IV Kukushkin… - Physical Review B, 2015 - APS
The plasma, magnetoplasma, and edge magnetoplasma excitations were investigated in
two-dimensional electron systems hosted at the heterointerface of MgZnO/ZnO structures …

Optical probing of MgZnO/ZnO heterointerface confinement potential energy levels

VV Solovyev, AB Van'Kov, IV Kukushkin… - Applied Physics …, 2015 - pubs.aip.org
Low-temperature photoluminescence and reflectance measurements were employed to
study the optical transitions present in two-dimensional electron systems confined at Mg x Zn …