Results 81 to 90 of about 31,277 (294)

Monte Carlo simulations of magnetospheric ion precipitation into Triton's upper atmosphere: Sputtering, energy deposition, charge exchange, and ionization [PDF]

open access: yes
Context. Magnetospheric ion precipitation is an important driver of energy and mass transfer in a planet’s upper atmosphere. When energetic ions penetrate an atmosphere, they undergo a cascade of interactions with background species, including elastic ...
Xu Huang, Jun Cui, Hao Gu
core   +1 more source

Inner-sphere complexation of cations at the rutile-water interface: A concise surface structural interpretation with the CD and MUSIC model [PDF]

open access: yes, 2009
Acid–base reactivity and ion-interaction between mineral surfaces and aqueous solutions is most frequently investigated at the macroscopic scale as a function of pH.
Machesky, M.L.   +4 more
core   +1 more source

Non-Liouvillean ion injection via resonantly enhanced two-photon ionization

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2004
The charge-exchange method is now one of the main techniques for ion injection into accelerators and storage rings. The disadvantages of conventional methods, based on the atom or ion stripping in a material target, are emittance growth, energy ...
B. A. Knyazev
doaj   +1 more source

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

open access: yesAdvanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim   +11 more
wiley   +1 more source

Ionization, charge exchange, and secondary electron emission in the extractor of an LBL/LLL neutral beam source [PDF]

open access: yes, 1975
Using a computer code, bombardment of the electrodes resulting from ionization, charge-exchange, and back-ion emission from the neutralizer cell is studied in the positive-ion extractor region of a Lawrence Berkeley Laboratory/ Lawrence Livermore ...
McDowell, C. E., Fink, J. H.
core  

Atmospheric pressure photoionization mass spectrometry. Ionization mechanism and the effect of solvent on the ionization of naphthalenes [PDF]

open access: yes, 2015
The ionization mechanism in dopant-assisted atmospheric pressure photoionization and the effect of solvent on the ionization efficiency was studied using 7 naphthalenes and 13 different solvent systems.
Kauppila, TJ   +5 more
core   +1 more source

Large‐Scale Determination of Frontier Orbital Energies of Disordered Small‐Molecule Organic Semiconductors Using Exciplex Emission Spectra

open access: yesAdvanced Materials, EarlyView.
ABSTRACT Accurately knowing the frontier orbital energies of the structurally disordered small‐molecule organic semiconductors that are used in optoelectronic devices such as organic light‐emitting diodes is required to rationally improve their performance. Here, we show that these energies can be deduced with a large accuracy from the peak energies of
Christian B. McDonald   +7 more
wiley   +1 more source

Experimental evidence of charge exchange recombination of highly ionized iron and titanium in Princeton Large Torus [PDF]

open access: yes, 1980
The observed behavior of the emissivitives of boron-like FeXXIII, lithium-like FeXXIV and TiXX, and the helium-like FeXXV ions in the PLT tokamak during highpower neutral (H/sup 0/ or D/sup 0/) beam heating is described.
Hinnov, E.   +9 more
core   +1 more source

Recent Advances in Ferrite‐Based Materials for Biomedical Applications: A Comprehensive Review

open access: yesAdvanced Materials, EarlyView.
Ferrite nanoplatforms are presented as tunable biomedical materials in which synthesis control, cation engineering, defect/morphology regulation, and surface functionalization govern structure–property–bioactivity relationships. These design strategies enable multifunctional applications including MRI contrast, magnetic hyperthermia, targeted drug ...
Pramod D. Mhase   +6 more
wiley   +1 more source

Ionization of polarized hydrogen atoms [PDF]

open access: yes, 1983
Methods are discussed for the production of polarized H/sup -/ ions from polarized atoms produced in ground state atomic beam sources. Present day sources use ionizers of two basic types - electron ionizers for H/sup +/ Vector production followed by ...
Alessi, J.G.
core  

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