Low-energy ionic collisions at molecular solids

J Cyriac, T Pradeep, H Kang, R Souda… - Chemical …, 2012 - ACS Publications
The roots of mass spectrometry (MS) can be traced to the early 20th century when in the
Cavendish Laboratory at Cambridge University, UK, JJ Thomson performed his first …

Interfacial energy exchange and reaction dynamics in collisions of gases on model organic surfaces

JW Lu, BS Day, LR Fiegland, ED Davis… - Progress in surface …, 2012 - Elsevier
Molecular beam scattering experiments and molecular dynamics simulations have been
combined to develop an atomic-level understanding of energy transfer, accommodation, and …

Chemical Dynamics Study of Intrasurface Hydrogen-Bonding Effects in Gas− Surface Energy Exchange and Accommodation

U Tasić, BS Day, T Yan, JR Morris… - The Journal of Physical …, 2008 - ACS Publications
Classical chemical dynamics simulations were performed to compare the efficiency of
energy transfer in collisions of Ar with 300 K CH3-and OH-terminated alkyl thiol self …

Chemical dynamics simulations of energy transfer in collisions of protonated peptide− ions with a perfluorinated alkylthiol self-assembled monolayer surface

L Yang, OA Mazyar, U Lourderaj, J Wang… - The Journal of …, 2008 - ACS Publications
Classical trajectory simulations are performed to study energy transfer in collisions of
protonated diglycine, gly2-H+, and dialanine, ala2-H+, ions with a fluorinated octanethiol …

Control of surface properties of self-assembled monolayers by tuning the degree of molecular asymmetry

SM Flores, A Shaporenko, C Vavilala, HJ Butt… - Surface science, 2006 - Elsevier
We have studied self-assembled monolayers (SAMs) of asymmetric dialkyldisulfide
derivatives of the form CH3–(CH2) 11+ m–S–S–(CH2) 11–OH with m=− 4,− 3, 0,+ 2 and+ 4 …

Effects of projectile orientation and surface impact site on the efficiency of projectile excitation in surface-induced dissociation: protonated diglycine collisions with …

A Rahaman, JB Zhou, WL Hase - International Journal of Mass …, 2006 - Elsevier
Classical trajectory simulations are performed for collisions between protonated diglycine
(gly2-H+) and a diamond {111} surface at incident angles θi of 0° and 45°, with respect to …

Degradation of octanethiol self-assembled monolayers from hydrogen-atom exposure: A molecular-scale study using scanning tunneling microscopy

NA Kautz, DP Fogarty, SA Kandel - Surface science, 2007 - Elsevier
Octanethiol self-assembled monolayers were exposed to gas-phase hydrogen atoms, and
the resulting changes in the order and chemical structure of the surface were monitored …

Reaction of 5− 40 eV Ions with Self-Assembled Monolayers

X Qin, T Tzvetkov, DC Jacobs - The Journal of Physical Chemistry …, 2006 - ACS Publications
The reaction of 5− 40 eV O+ and Ne+ ions with alkanethiolate and semifluorinated
alkanethiolate self-assembled monolayers (SAMs) is studied under ultrahigh vacuum (UHV) …

Surface modification using reactive landing of mass-selected ions

P Wang, J Laskin - Ion beams in nanoscience and technology, 2009 - Springer
Collisions of ions with surfaces play an important role in a variety of scientific disciplines,
including surface science, materials science, mass spectrometry, imaging, and …

NH4+ + CH4 Gas Phase Collisions as a Possible Analogue to Protonated Peptide/Surface Induced Dissociation

GL Barnes, WL Hase - The Journal of Physical Chemistry A, 2009 - ACS Publications
Results are reported for a direct dynamics simulation of NH4++ CH4 gas phase collisions.
We interpret the results with protonated peptide/hydrogenated alkanethiolate self …