Janni Moens
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View article: Magnesium-Vacancy Optical Centers in Diamond
Magnesium-Vacancy Optical Centers in Diamond Open
We provide the first systematic characterization of the structural and photoluminescence properties of optically active centers fabricated upon implantation of 30-100 keV Mg+ ions in synthetic diamond. The structural configurations of Mg-r…
View article: Observation of the radiative decay of the ${}^{229}\mathrm{Th}$ nuclear clock isomer
Observation of the radiative decay of the ${}^{229}\mathrm{Th}$ nuclear clock isomer Open
The nucleus of the radioisotope thorium-229 (${}^{229}$Th) features an isomer with an exceptionally low excitation energy that enables direct laser manipulation of nuclear states. For this reason, it is a leading candidate for use in next-…
View article: Direct evidence of Be as an amphoteric dopant in GaN
Direct evidence of Be as an amphoteric dopant in GaN Open
The interest in Be as an impurity in GaN stems from the challenge to understand why GaN can be doped p type with Mg, while this does not work for Be. While theory has actually predicted an acceptor level for Be that is shallower than Mg, i…
View article: Reactivity of Cobalt‐Fullerene Complexes towards Deuterium
Reactivity of Cobalt‐Fullerene Complexes towards Deuterium Open
The adsorption of molecular deuterium (D 2 ) onto charged cobalt‐fullerene‐complexes Co n C 60 + ( n =1–8) is measured experimentally in a few‐collision reaction cell. The reactivity is strongly size‐dependent, hinting at clustering of the…