Bound excitons in ZnO: Structural defect complexes versus shallow impurity centers

MR Wagner, G Callsen, JS Reparaz, JH Schulze… - Physical Review B …, 2011 - APS
ZnO single crystals, epilayers, and nanostructures often exhibit a variety of narrow emission
lines in the spectral range between 3.33 and 3.35 eV which are commonly attributed to …

[HTML][HTML] Waste PET plastic derived ZnO@ NMC nanocomposite via MOF-5 construction for hydrogen and oxygen evolution reactions

M Ubaidullah, AM Al-Enizi, S Shaikh… - Journal of King Saud …, 2020 - Elsevier
Waste PET plastic is the main solid waste to deteriorate the environment. Herein, we have
utilized waste PET plastic to synthesize nitrogen doped mesoporous carbon functionalized …

[HTML][HTML] Simultaneous measurement of temperature, stress, and electric field in GaN HEMTs with micro-Raman spectroscopy

KR Bagnall, EA Moore, SC Badescu, L Zhang… - Review of Scientific …, 2017 - pubs.aip.org
As semiconductor devices based on silicon reach their intrinsic material limits, compound
semiconductors, such as gallium nitride (GaN), are gaining increasing interest for high …

Contributed Review: Experimental characterization of inverse piezoelectric strain in GaN HEMTs via micro-Raman spectroscopy

KR Bagnall, EN Wang - Review of Scientific Instruments, 2016 - pubs.aip.org
Micro-Raman thermography is one of the most popular techniques for measuring local
temperature rise in gallium nitride (GaN) high electron mobility transistors with high spatial …

Raman tensor elements of wurtzite ZnO

T Sander, S Eisermann, BK Meyer, PJ Klar - Physical Review B—Condensed …, 2012 - APS
The angle dependence of the phonon modes of a-plane (11 2¯ 0) and c-plane (0001) faced
ZnO crystals in wurtzite structure was studied at room temperature by Raman spectroscopy …

Pressure‐dependent behavior of defect‐modulated band structure in boron arsenide

X Meng, A Singh, R Juneja, Y Zhang, F Tian… - Advanced …, 2020 - Wiley Online Library
The recent observation of unusually high thermal conductivity exceeding 1000 W m− 1 K− 1
in single‐crystal boron arsenide (BAs) has led to interest in the potential application of this …

Germanium–the superior dopant in n‐type GaN

C Nenstiel, M Bügler, G Callsen… - physica status solidi …, 2015 - Wiley Online Library
We present an experimental study about the influence of Si and Ge do** in GaN with
focus on the occurring strain levels and overall crystalline quality. Extremely high quality …

Optical signature of Mg-doped GaN: Transfer processes

G Callsen, MR Wagner, T Kure, JS Reparaz… - Physical Review B …, 2012 - APS
Mg do** of high quality, metal organic chemical vapor deposition grown GaN films results
in distinct traces in their photoluminescence and photoluminescence excitation spectra. We …

Dephasing by optical phonons in GaN defect single-photon emitters

Y Geng, J Luo, L van Deurzen, H ** Concentration Profiles of {ZnCdO/ZnO} Superlattices
I Perlikowski, E Zielony, A Lysak, R Jakieła… - Crystal Growth & …, 2024 - ACS Publications
In this study, we investigated Eu-doped {ZnCdO/ZnO} superlattice structures grown by
plasma-assisted molecular beam epitaxy. Such materials may find their use in thin-film solar …