Physical properties and chemical constitution. Part XLVII. The ultraviolet spectra of some compounds with bonds between oxygen or sulphur atoms and the Group IV elements, C, Si, Ge, and Sn

1966 ◽  
pp. 242 ◽  
Author(s):  
C. W. N. Cumper ◽  
A. Melnikoff ◽  
A. I. Vogel
Keyword(s):  
Physical Properties ◽  
Group Iv ◽  
Ultraviolet Spectra ◽  
Chemical Constitution ◽  
Group Iv Elements

scholarly journals Creation of pure non-crystalline diamond nanostructures via room temperature ion irradiation and subsequent thermal annealing

2021 ◽  
Author(s):  
Federico Picollo ◽  
Alfio Battiato ◽  
Federico Bosia ◽  
Fabio Scaffidi Muta ◽  
Paolo Olivero ◽  
...  
Keyword(s):  
Thermal Annealing ◽  
Room Temperature ◽  
Ion Irradiation ◽  
Group Iv ◽  
Chemical Bonds ◽  
Group Iv Elements ◽  
Silicon And Germanium ◽  
Subsequent Thermal Annealing

Carbon exhibits a remarkable range of structural forms, due to the availability of sp3, sp2 and sp1 chemical bonds. Contrarily to other group IV elements such as silicon and germanium,...

scholarly journals Colloquium : Physical properties of group-IV monochalcogenide monolayers

2021 ◽  
Vol 93 (1) ◽  
Author(s):  
Salvador Barraza-Lopez ◽  
Benjamin M. Fregoso ◽  
John W. Villanova ◽  
Stuart S. P. Parkin ◽  
Kai Chang
Keyword(s):  
Physical Properties ◽  
Group Iv

PHYSICAL PROPERTIES OF ALKYL PYRROLES AND THEIR SALTS

1959 ◽  
Vol 37 (11) ◽  
pp. 1859-1869 ◽  
Author(s):  
R. J. Abraham ◽  
E. Bullock ◽  
S. S. Mitra
Keyword(s):  
Hydrochloric Acid ◽  
Physical Properties ◽  
Simple Function ◽  
Proton Resonance ◽  
Ultraviolet Spectra ◽  
Buffer Solutions

The structures of the ions formed by several alkyl pyrroles in hydrochloric acid are deduced from proton resonance spectra. Basicity values for three alkyl pyrroles are determined from ultraviolet spectra of their salts in buffer solutions. An attempt is made to estimate the basicity of other pyrroles from the variation of the—OD stretching frequency of methanol-d in solution in the pyrroles. Variations of the free and bonded NH frequencies of alkyl pyrroles are shown to be a simple function of the positions and number of the substituents.

Ionization potentials of non-metal monosulfides. Conjugation in radical cations containing Group IV elements

1990 ◽  
Vol 49 (1) ◽  
pp. 26-32 ◽  
Author(s):  
A. N. Egorochkin ◽  
M. G. Voronkov ◽  
S. E. Skobeleva ◽  
T. G. Mushtina ◽  
O. V. Zderenova
Keyword(s):  
Radical Cations ◽  
Group Iv ◽  
Ionization Potentials ◽  
Group Iv Elements
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