Now showing items 21-30 of 298
Structure of the propene⋅sulfur dioxide complex
(The American Institute of Physics, 1994-01-01)
The rotational spectra of eight isotopomers of the propene⋅SO2 complex have been observed with a Fourier transform microwave spectrometer. The rotational constants of the normal species are A=4269.564 MHz, B=1577.2661 MHz, ...
A method for normalization of X-ray absorption spectra
(Munksgaard International PublishersBlackwell Publishing Ltd, 2005-07)
An optically detected magnetic resonance study of Mn4+ in Cs2GeF6 and K2GeF6
(Elsevier, 1988-11-15)
The photoexcitation and photoluminescence spectra (2E 4A2) of MnF62- diluted in Cs2GeF6 and K2GeF6 host lattices have been recorded at liquid helium temperature. The manganese coordination geometry is Oh in Cs2GeF6 and ...
Energy‐Distribution Function for Hot Atoms Produced by Nuclear Transformations
(The American Institute of Physics, 1964-09-15)
The energy‐distribution function for hot atoms produced by nuclear transformations is examined in terms of the fraction of the initial hot‐atom energy. Energy dependent and independent asymmetric scattering is specifically ...
Electron diffraction studies of hot molecules. I. Observed and calculated thermal expansions of SF6, CF4, and SiF4
(The American Institute of Physics, 1982-08-15)
A new method is described for the rapid heating (10−5–10−6 s) of gas molecules for study by electron diffraction. Laser irradiation of the tip of a micronozzle makes it possible to determine structures, amplitudes of ...
Molecular dynamics simulations of the freezing of gold nanoparticles
(EDP Sciences, Springer-Verlag, Società Italiana di Fisica, 2001-10)
A set of molten gold clusters, each with 1157 gold atoms, was studied by molecular dynamics simulations as the clusters underwent freezing at three different temperatures. Most of the clusters attained an icosahedral ...
Photoluminescence studies of layered transition metal phosphorus chalcogenides and their pyridine intercalation compounds
(Elsevier, 1986-06)
Ultraviolet photoexcitation of Cd2P2S6 and Zn2P2S6 single crystals produces a characteristic photoluminescence between 2.5 and 1.5 eV. Mn2P2S6 exhibits only low energy emission due to transitions between localized d-orbital ...
Rotational analysis of the red electronic emission spectrum of molybdenum nitride (MoN)
(Elsevier, 1985-04)
A system of emission bands in the red region of the optical spectrum has been identified as due to the species MoN. The system was generated by the microwave (2450 MHz) excitation of a flowing mixture of MoCl5 and molecular ...
Microcomputer control of radiochemical processes
(Elsevier, 1985-11)
A system for control of radiochemical processes has been designed and constructed. Control passes through a single 8-bit port (6522 VIA) to up to 64 on-off sensors and 64 on-off switches. The outputs are latched; they are ...
Triuranium heptaoxides: Heat capacities and thermodynamic properties of [alpha]- and [beta]-U3O7 from 5 to 350[deg]K
(Elsevier, 1962)
Low temperature heat capacities have been measured by adiabatic calorimetry on two phases with composition UO2.33 designated [alpha]- and [beta]-U3O7. They were obtained by oxidation of UO2 at 135 and 165[deg]C, respectively. ...