Defect identification in semiconductors with positron annihilation:<? format?> Experiment and theory
Positron annihilation spectroscopy is particularly suitable for studying vacancy-type
defects<? format?> in semiconductors. Combining state-of-the-art experimental and …
defects<? format?> in semiconductors. Combining state-of-the-art experimental and …
Defects in single crystalline ammonothermal gallium nitride
Native bulk gallium nitride (GaN) has emerged as an alternative for sapphire and silicon as
a substrate material for III‐N devices. While quasi‐bulk GaN substrates are currently …
a substrate material for III‐N devices. While quasi‐bulk GaN substrates are currently …
Review of radiation damage in GaN-based materials and devices
A review of the effectsof proton, neutron, γ-ray, and electron irradiation on GaN materials
and devices is presented. Neutron irradiation tends to create disordered regions in the GaN …
and devices is presented. Neutron irradiation tends to create disordered regions in the GaN …
Defects in AlN as candidates for solid-state qubits
We investigate point defects and defect complexes in AlN for potential applicability as single-
spin centers and solid-state qubits analogous to those observed in diamond and SiC. We …
spin centers and solid-state qubits analogous to those observed in diamond and SiC. We …
Identification of the -O defect complex in AlN single crystals
In this Rapid Communication, we report positron annihilation results on in-grown and proton
irradiation-induced vacancies and their decoration in aluminium nitride (AlN) single crystals …
irradiation-induced vacancies and their decoration in aluminium nitride (AlN) single crystals …
Formation of Isolated Zn Vacancies in ZnO Single Crystals by Absorption<? format?> of Ultraviolet Radiation: A Combined Study Using Positron Annihilation,<? format …
Positron annihilation spectra reveal isolated zinc vacancy (V Zn) creation in single-crystal
ZnO exposed to 193-nm radiation at 100 mJ/cm 2 fluence. The appearance of a …
ZnO exposed to 193-nm radiation at 100 mJ/cm 2 fluence. The appearance of a …
Group III nitrides
Optical, electrical, mechanical, and thermal properties of group III nitrides, inclusive of AlN,
GaN, InN and their ternary and quaternary alloys, are discussed. The driving force for group …
GaN, InN and their ternary and quaternary alloys, are discussed. The driving force for group …
Low energy electron beam induced vacancy activation in GaN
H Nykänen, S Suihkonen, L Kilanski… - Applied Physics …, 2012 - pubs.aip.org
Experimental evidence on low energy electron beam induced point defect activation in GaN
grown by metal-organic vapor phase epitaxy (MOVPE) is presented. The GaN samples are …
grown by metal-organic vapor phase epitaxy (MOVPE) is presented. The GaN samples are …
Native point defects in GaSb
We have applied positron annihilation spectroscopy to study native point defects in Te-
doped n-type and nominally undoped p-type GaSb single crystals. The results show that the …
doped n-type and nominally undoped p-type GaSb single crystals. The results show that the …
Vacancy complexes induce long-range ferromagnetism in GaN
Z Zhang, U Schwingenschlögl, IS Roqan - Journal of Applied Physics, 2014 - pubs.aip.org
By means of density functional theory, we argue that ferromagnetism in GaN can be induced
by vacancy complexes. Spin polarization originates from the charge compensation between …
by vacancy complexes. Spin polarization originates from the charge compensation between …