Energetics of small helium clusters near tungsten surface by ab initio calculations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2017.11.023
Abstract: Abstract Density functional theory calculations have been performed to study the stability and the interactions of/between small helium clusters at the W(001) surface. Among the studied He clusters, all the He atoms prefer to stay… read more here.
Keywords: helium clusters; tungsten surface; small helium; surface ... See more keywords
Photofragmentation of I2 molecules inside helium clusters: model calculations using a quantum effective potential
Sign Up to like & getrecommendations! Published in 2021 at "Molecular Physics"
DOI: 10.1080/00268976.2021.1977862
Abstract: We report the results of model calculations for the photodissociation of iodine molecules inside liquid helium clusters composed of several thousand atoms. The helium clusters are described by a quantum effective potential between helium atoms.… read more here.
Keywords: helium clusters; molecules inside; effective potential; model calculations ... See more keywords
Bubble growth from clustered hydrogen and helium atoms in tungsten under a fusion environment
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Fusion"
DOI: 10.1088/0029-5515/57/1/016006
Abstract: Bubbles seriously degrade the mechanical properties of tungsten and thus threaten the safety of nuclear fusion devices, however, the underlying atomic mechanism of bubble growth from clustered hydrogen and helium atoms is still mysterious. In… read more here.
Keywords: helium clusters; hydrogen; vacancy; hydrogen helium ... See more keywords
Clustering and Dissolution of Small Helium Clusters in Bulk Tungsten
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/35/2/027102
Abstract: Density functional theory calculations are conducted to investigate the stability and interactions among small helium (He) clusters in bulk tungsten (W). The lowest energy structure of each cluster for sizes n = 1 to 6… read more here.
Keywords: helium clusters; small helium; clustering dissolution; clusters bulk ... See more keywords
Universal short-range correlations in bosonic helium clusters
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.010501
Abstract: Short-range correlations in bosonic Helium clusters, composed of $^4$He atoms, are studied utilizing the generalized contact formalism. The emergence of universal $n$-body short range correlations is formulated and demonstrated numerically via Monte Carlo simulations. The… read more here.
Keywords: correlations bosonic; helium clusters; range correlations; short range ... See more keywords
Protonated and Cationic Helium Clusters
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25051066
Abstract: Protonated rare gas clusters have previously been shown to display markably different structures compared to their pure, cationic counterparts. Here, we have performed high-resolution mass spectrometry measurements of protonated and pristine clusters of He containing… read more here.
Keywords: helium clusters; cationic helium; protonated cationic;
Ca+ Ions Solvated in Helium Clusters
Sign Up to like & getrecommendations! Published in 2021 at "Molecules"
DOI: 10.3390/molecules26123642
Abstract: We present a combined experimental and theoretical investigation on Ca+ ions in helium droplets, HeNCa+. The clusters have been formed in the laboratory by means of electron-impact ionization of Ca-doped helium nanodroplets. Energies and structures… read more here.
Keywords: solvated helium; helium clusters; ions solvated;