Results 31 to 40 of about 44,713 (249)

Selective photodissociation of tailored molecular tags as a tool for quantum optics

open access: yesBeilstein Journal of Nanotechnology, 2017
Recent progress in synthetic chemistry and molecular quantum optics has enabled demonstrations of the quantum mechanical wave–particle duality for complex particles, with masses exceeding 10 kDa.
Ugur Sezer   +7 more
doaj   +1 more source

Atmospheric processes on ice nanoparticles in molecular beams

open access: yesFrontiers in Chemistry, 2014
This review summarizes some recent experiments with ice nanoparticles (large water clusters) in molecular beams and outlines their atmospheric relevance: (1) Investigation of mixed water–nitric acid particles by means of the electron ionization and ...
Michal eFárník, Viktoriya ePoterya
doaj   +1 more source

Preparing sulfur nanoparticles and determining their effect on the photodegradation of polycarbonates [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة
This study involved the preparation of sulfur nanoparticles using the extract of Ziziphus-spina leaves and examined their effect on the photodegradation of polycarbonate membranes with a thickness of (60±5) microns, after adding various ...
rand hassan, Hameed Ali, Muthanaa Sirhan
doaj   +1 more source

Photodestruction of Diatomic Molecular Ions: Laboratory and Astrophysical Application

open access: yesMolecules, 2020
In this work, the processes of photodissociation of some diatomic molecular ions are investigated. The partial photodissociation cross-sections for the individual rovibrational states of the diatomic molecular ions, which involves alkali metals, as well ...
Vladimir A. Srećković   +2 more
doaj   +1 more source

The effects of nitric oxide cooling and the photodissociation of molecular oxygen on the thermosphere/ionosphere system over the Argentine Islands [PDF]

open access: yesAnnales Geophysicae, 1997
In the past the global, fully coupled, time-dependent mathematical model of the Earth's thermosphere/ionosphere/plasmasphere (CTIP) has been unable to reproduce accurately observed values of the maximum plasma frequency, foF2, at extreme geophysical ...
G. D. Wells   +4 more
doaj   +1 more source

The chemistry of interstellar molecules containing the halogen elements [PDF]

open access: yes, 2009
Although they are only minor constituents of the interstellar medium, halogen-containing molecules are of special interest because of their unique thermochemistry. Here, we present a theoretical study of the chemistry of interstellar molecules containing
Neufeld, David A., Wolfire, Mark G.
core   +1 more source

On the Energy-specific Photodissociation Pathways of 14N2 and 14N15N Isotopomers to N Atoms of Different Reactivity: A Quantum Dynamical Perspective

open access: yesThe Astrophysical Journal, 2023
Photodissociation of the nitrogen molecule in the vacuum ultraviolet (VUV) is a major source of reactive nitrogen atoms in the upper atmosphere of Earth and throughout the solar system.
Natalia Gelfand   +3 more
doaj   +1 more source

High-precision spectroscopy of ultracold molecules in an optical lattice

open access: yesNew Journal of Physics, 2015
The study of ultracold molecules tightly trapped in an optical lattice can expand the frontier of precision measurement and spectroscopy, and provide a deeper insight into molecular and fundamental physics.
B H McGuyer   +6 more
doaj   +1 more source

Roles of UV light strength and auxiliary electric field in the photocatalytic degradation effect of organic contaminant

open access: yesHigh Voltage, 2019
The accumulation of contaminants on the electrical devices could adversely affect the operation. The present work used photocatalytic functional material to coat on the surface of the electrical devices to prevent the influence of organic contamination ...
Lin YaoYu   +4 more
doaj   +1 more source

Ultrahigh-density spin-polarized hydrogen isotopes from the photodissociation of hydrogen halides: new applications for laser-ion acceleration, magnetometry, and polarized nuclear fusion

open access: yesLight: Science & Applications, 2021
Spin-polarized hydrogen: production by photodissociation A laser-based scheme to produce spin-polarized hydrogen (SPH) at much higher densities than conventional methods could create new opportunities in physics.
Alexandros K. Spiliotis   +8 more
doaj   +1 more source

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