SET characteristics of phase change bridge devices
Daniel Krebs, Simone Raoux, et al.
MRS Spring Meeting 2008
Two-photon resonance, three-photon ionization has been used to determine the HD product internal state distribution formed by the reaction of fast H atoms with thermal D2 molecules. A mixture of HI and D2 is irradiated by a 266 nm laser pulse to dissociate the former, giving a center-of-mass collision energy of about 1.30±0.04 eV for H+D 2. After a sufficiently short delay to ensure essentially collision-free conditions, a second laser is fired which causes multiphoton ionization of individual HD quantum states as well as D atoms, depending upon the choice of wavelength. Reaction occurs in a well-defined effusive flow which emerges from a glass orifice placed between the acceleration plates of a differentially pumped time-of-flight mass spectrometer. Ion signals are referenced to those obtained from HD or D produced in an auxiliary microwave discharge. Relative formation rates are reported for HD(υ=1, J=0-6) and HD(υ=2, J=0-6). Nascent D atoms are also observed and an upper limit is placed on the production of HD(υ=3). Rotational surprisal plots are found to be linear for the HD product state distribution yielding a slope of θR=5.1 for HD(υ=1) and θR=4.7 for HD(υ=2). These are extrapolated to provide full distributions for HD(υ=0-2, J=0-6). The present product state distributions are compared with the recent experimental data of Gerrity and Valentini as well as with the quasiclassical trajectory calculations of Blais and Truhlar. © 1984 American Institute of Physics.
Daniel Krebs, Simone Raoux, et al.
MRS Spring Meeting 2008
Qiu Dai, Charles T. Rettner, et al.
Journal of Materials Chemistry
Charles T. Rettner, Ernesto E. Marinero, et al.
Journal of Physical Chemistry
Charles T. Rettner, Simone Anders, et al.
IEEE Transactions on Magnetics