Electronic Structure and Electronic Spectrum of Nitrogen Dioxide. III Spectral Interpretation

1971 ◽  
Vol 55 (2) ◽  
pp. 851-856 ◽  
Author(s):  
R. A. Gangi ◽  
L. Burnelle
Keyword(s):  
Electronic Structure ◽  
Nitrogen Dioxide ◽  
Electronic Spectrum ◽  
Spectral Interpretation

Electronic structure of nitrogen dioxide, its ions, and its dimer

1967 ◽  
Vol 71 (7) ◽  
pp. 2240-2247 ◽  
Author(s):  
Louis Burnelle ◽  
P. Beaudouin ◽  
Lawrence J. Schaad
Keyword(s):  
Electronic Structure ◽  
Nitrogen Dioxide

Atomic Resolution Electronic Structure Using Spatially Resolved Electron Energy Loss Spectroscopy

1994 ◽  
Vol 332 ◽  
Author(s):  
P.E. Batson
Keyword(s):  
Electronic Structure ◽  
High Energy ◽  
Dark Field ◽  
Atomic Resolution ◽  
Small Areas ◽  
Spatially Resolved ◽  
Spectral Interpretation ◽  
Core Excitations ◽  
Z Contrast ◽  
Electron Energy Loss

ABSTRACTElectronic structure in small areas is obtainable by inspection of near edge fine structure of core excitations. We can accomplish this today with near atomic resolution, using EELS at high energy. At IBM, we have obtained results using a sub-0.2nm probe at 120KeV with enough current to allow 200meV resolution studies at the Si L2,3 edge. It is especially crucial for Si-based structures that this allows us to obtain Z-contrast dark field images of the Si lattice at an acceleration voltage that is low enough to minimize radiation damage, but with a high enough current to allow good quality spectra to be obtained. A review of instrumental requirements, spectral interpretation, and applications to Si-Ge alloys is presented.

scholarly journals Inner-shell excitation spectroscopy of aniline, nitrobenzene, and nitroanilines

1996 ◽  
Vol 74 (6) ◽  
pp. 851-869 ◽  
Author(s):  
Cassia C. Turci ◽  
Stephen G. Urquhart ◽  
Adam P. Hitchcock
Keyword(s):  
Electronic Structure ◽  
Charge Transfer ◽  
Oscillator Strengths ◽  
Spectral Features ◽  
Excitation Spectra ◽  
Core Excitation ◽  
Substitution Pattern ◽  
Aromatic Molecules ◽  
Spectral Interpretation ◽  
Electron Energy Loss

Oscillator strengths for C 1s, N 1s, and O 1s excitation spectra of aniline, nitrobenzene, and the isomeric nitroanilines have been derived from inner-shell electron energy loss spectroscopy recorded under low momentum transfer conditions (> 2.5 keV impact energy and small scattering angle, θ ≤ 2°). Extended Hückel Molecular Orbital (EHMO) calculations carried out within the equivalent core analogy are used to aid spectral interpretation. These spectra are used to investigate the sensitivity of core excitation spectroscopy to charge transfer interactions in aromatic molecules that have both electron-donating and electron-withdrawing substituents. Strong multielectron excitation features were not found, although these had been anticipated from photoemission studies. The C 1s → π* and N 1s (NH2) → π* spectral features of the nitroanilines are found to be strongly dependent on the substitution pattern (ortho, meta, or para). Key words: electronic structure, inner-shell excitation, nitroanilines, EHMO calculations.

Electronic Spectrum of Monomeric Nitrogen Dioxide at Liquid Helium Temperature

1957 ◽  
Vol 27 (4) ◽  
pp. 972-973 ◽  
Author(s):  
G. Wilse Robinson ◽  
Maclyn McCarty ◽  
Mary C. Keelty
Keyword(s):  
Nitrogen Dioxide ◽  
Electronic Spectrum ◽  
Liquid Helium ◽  
Liquid Helium Temperature ◽  
Helium Temperature
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