Theoretical investigations of the electronic states of NaXe: A comparative study

2012 ◽  
Vol 137 (22) ◽  
pp. 224310 ◽  
Author(s):  
F. Ben Salem ◽  
M. Ben El Hadj Rhouma ◽  
F. Spiegelman ◽  
J.-M. Mestdagh ◽  
M. Hochlaf
Keyword(s):  
Comparative Study ◽  
Electronic States ◽  
Theoretical Investigations

Theoretical investigations of the electronic states of porphyrins. IV. Low-lying electronic states of bisammineporphinatoiron(II)

1985 ◽  
Vol 28 (6) ◽  
pp. 797-822 ◽  
Author(s):  
Diane C. Rawlings ◽  
Martin Gouterman ◽  
Ernest R. Davidson ◽  
David Feller
Keyword(s):  
Electronic States ◽  
Theoretical Investigations

Electronic States in Cd1−xZnxTe/CdTe Strained Layer Coupled Double Quantum Wells and their Photoluminescence

1994 ◽  
Vol 358 ◽  
Author(s):  
Tiesheng Li ◽  
H. J. Lozykowski
Keyword(s):  
Quantum Well ◽  
Quantum Wells ◽  
Lattice Mismatch ◽  
Electronic States ◽  
Double Quantum ◽  
Strain Effect ◽  
Strained Layer ◽  
Quantum Well Structure ◽  
Double Quantum Well ◽  
Theoretical Investigations

ABSTRACTExperimental and theoretical investigations of electronic states in a strained-layer CdTe/CdZnTe coupled double quantum well structure are presented. The optical properties of this lattice mismatched heterostructure were characterized by photoluminescence (PL), PL excitation and polarization spectroscopies. The influence of electrical field on exciton states in the strained layer CdTe/CdZnTe coupled double quantum well structure is experimentally studied. The confined electronic states were calculated in the framework of the envelope function approach, taking into account the strain effect induced by the lattice-mismatch. Experimental results are compared with the calculated transition energies.

C–F and C–H bond cleavage mechanisms of trifluoromethane ions in low-lying electronic states: threshold photoelectron–photoion coincidence imaging and theoretical investigations

2020 ◽  
Vol 22 (24) ◽  
pp. 13808-13817
Author(s):  
Yan Chen ◽  
Tongpo Yu ◽  
Xiangkun Wu ◽  
Xiaoguo Zhou ◽  
Shilin Liu ◽  
...  
Keyword(s):  
Synchrotron Radiation ◽  
Energy Range ◽  
Radiation Source ◽  
Vacuum Ultraviolet ◽  
Bond Cleavage ◽  
Electronic States ◽  
Synchrotron Radiation Source ◽  
Dissociative Ionization ◽  
Theoretical Investigations ◽  
Coincidence Imaging

Dissociative ionization of trifluoromethane (CHF3) is investigated in the 13.9–18.0 eV energy range using the threshold photoelectron–photoion coincidence (TPEPICO) technique coupled to a vacuum ultraviolet synchrotron radiation source.

Theoretical investigations of the electronic states of porphyrins. III. Low-lying electronic states of porphinatoiron(II)

1985 ◽  
Vol 28 (6) ◽  
pp. 773-796 ◽  
Author(s):  
Diane C. Rawlings ◽  
Martin Gouterman ◽  
Ernest R. Davidson ◽  
David Feller
Keyword(s):  
Electronic States ◽  
Theoretical Investigations

scholarly journals Observation of Graphite-Like and Diamond-Like Nanostructures in the Raman Spectra of Natural and Synthesized MoS2 Crystals with Small Carbon Additives

2020 ◽  
Vol 21 (4) ◽  
pp. 598-620
Author(s):  
N.E. Kornienko ◽  
A.P. Naumenko ◽  
L.M. Kulikov
Keyword(s):  
Laser Radiation ◽  
Numerical Analysis ◽  
Comparative Study ◽  
Raman Spectra ◽  
Electronic States ◽  
Carbon Structures ◽  
Carbon Additives ◽  
Spectral Components ◽  
Graphite Structure ◽  
Resonant Radiation

A comparative study of Raman spectra excited by laser radiation λL = 632.8 nm and 488 nm of natural crystals of 2H-MoS2 and nanocrystallites MoS2 (C) containing 0.5 and 1.0 wt.% Carbon additives. A detailed numerical analysis of the shape of observed D and G bands was performed. The complication of the spectra of graphite-like and diamond-like structures with the appearance of additional spectral components at 1440-1500 cm-1 and 1230-1270 cm-1 as a result of doubling the size of the corresponding elementary quasi-cells are analyzed. It is shown that the frequencies of  D-bands of diamond-like nanostructures 1297 ÷ 1302 cm-1 don’t depend on λL in contrast to the change in the frequencies of the G (k)-bands. A significant effect of 632.8 nm resonant radiation on the electronic states and properties of MoS2 (C) NC was established. The strengthening of the D bands of the diamond-like structure and the ordering of the graphite structure with increasing carbon content in MoS2 (C) nanocrystals have been established. The change of spectral positions of D, G, and G (k) bands at strengthening the degree of disordering of a diamond- and graphite-like structures is considered. The influence of laser radiation on carbon structures is discussed.

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