Optical and electron spin resonance studies of xenon–nitrogen–helium condensates containing nitrogen and oxygen atoms

RE Boltnev, IB Bykhalo, IN Krushinskaya… - The Journal of …, 2015 - ACS Publications
We present the first observations of excimer XeO* molecules in molecular nitrogen films
surrounding xenon cores of nanoclusters. Multishell nanoclusters form upon the fast cooling …

Energy release channels during destruction of impurity-helium condensates

VV Khmelenko, AA Pelmenev, IN Krushinskaya… - Journal of Low …, 2013 - Springer
Injection of an impurity-helium gas jet passed through a radiofrequency discharge into a
volume of superfluid helium leads to the growth of nanoclusters of impurity species which …

Luminescence of molecular nitrogen nanoclusters containing stabilized atoms

PT McColgan, A Meraki, RE Boltnev… - The Journal of …, 2017 - ACS Publications
We studied the luminescence of molecular nitrogen nanoclusters containing stabilized
nitrogen, oxygen, hydrogen, and deuterium atoms. Optical spectra were observed during the …

Enhanced luminescence of oxygen atoms in solid molecular nitrogen nanoclusters

O Korostyshevskyi, CK Wetzel, DM Lee… - Low Temperature …, 2024 - pubs.aip.org
We studied luminescence accompanied an injection of the nitrogen-helium gas mixture after
passing discharge into dense cold helium gas. Initially, when the experimental beaker was …

Electron spin resonance studies of nitrogen atoms stabilized in impurity-helium condensates

A Meraki, PT McColgan, RE Boltnev, DM Lee… - Journal of Low …, 2018 - Springer
Impurity-helium condensates (IHCs) created by injection of nitrogen atoms and molecules as
well as rare gas (RG) atoms (Ne, Ar, and Kr) into superfluid^ 4 4 He have been studied via …

Comparative study of thermo-stimulated luminescence and electron emission of nitrogen nanoclusters and films

RE Boltnev, IB Bykhalo, IN Krushinskaya… - Low Temperature …, 2013 - pubs.aip.org
We have studied thermo-stimulated luminenscence and electron emission of nitrogen films
and nanoclusters containing free radicals of atomic nitrogen. Thermo-stimulated electron …

Studies of the Structures of Nitrogen-Neon Nanoclusters Immersed into Superfluid Helium-4

CK Wetzel, DM Lee, VV Khmelenko - Journal of Low Temperature Physics, 2024 - Springer
We studied the electron spin resonance (ESR) spectra of nitrogen atoms stabilized in
nitrogen-neon nanoclusters immersed in superfluid 4 He. The nanoclusters were formed …

Thermoluminescence dynamics during destructions of porous structures formed by nitrogen nanoclusters in bulk superfluid helium

A Meraki, S Mao, PT McColgan, RE Boltnev… - Journal of Low …, 2016 - Springer
We studied the dynamics of thermoluminescence during destruction of porous structures
formed by nanoclusters of nitrogen molecules containing high concentrations of stabilized …

[HTML][HTML] Experimental setup for investigation of nanoclusters at cryogenic temperatures by electron spin resonance and optical spectroscopies

S Mao, A Meraki, PT McColgan, V Shemelin… - Review of Scientific …, 2014 - pubs.aip.org
We present the design and performance of an experimental setup for simultaneous electron
spin resonance (ESR) and optical studies of nanoclusters with stabilized free radicals at …

Quantum vortices and thermally induced luminescence of nitrogen nanoclusters immersed in liquid helium

A Meraki, PT McColgan, PM Rentzepis, RZ Li, DM Lee… - Physical Review B, 2017 - APS
We performed investigations of ensembles of molecular nitrogen nanoclusters, containing
stabilized nitrogen atoms, immersed in liquid helium by electron spin resonance and optical …