scholarly journals Random-matrix theory of quantum size effects on nuclear magnetic resonance in metal particles

1994 ◽  
Vol 50 (20) ◽  
pp. 15170-15173 ◽  
Author(s):  
C. W. J. Beenakker
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Random Matrix Theory ◽  
Random Matrix ◽  
Size Effects ◽  
Matrix Theory ◽  
Metal Particles ◽  
Quantum Size Effects ◽  
Quantum Size ◽  
Nuclear Magnetic

scholarly journals Аллотропные модификации кобальта при химическом осаждении

2021 ◽  
Vol 63 (1) ◽  
pp. 43
Author(s):  
А.В. Чжан ◽  
С.А. Подорожняк ◽  
В.К. Мальцев ◽  
И.Н. Краюхин ◽  
Г.С. Патрин
Keyword(s):  
Crystal Structure ◽  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Size Effects ◽  
Chemical Precipitation ◽  
Magnetic Studies ◽  
Ph Values ◽  
Working Solution ◽  
Allotropic Modifications ◽  
Nuclear Magnetic

The effect of the acidity of solutions on the crystal structure of cobalt during its chemical precipitation is reported. On the basis of structural, magnetic studies, as well as studies by nuclear magnetic resonance, it was shown that a change in the acidity of the working solution leads to the precipitation of cobalt in various allotropic modifications in the immediate environment: by the type of hcp in the region of small (up to ~ 8.5) and by the type of fcc in the region large (over ~ 8.5) pH values. The formation of these modifications of cobalt is associated with size effects, which are caused by a decrease in the size of its particles with increasing pH.

Ab initio investigation of quantum size effects on the adsorption of CO2, CO, H2O, and H2 on transition-metal particles

2020 ◽  
Vol 22 (16) ◽  
pp. 8998-9008
Author(s):  
Paulo C. D. Mendes ◽  
Vivianne K. Ocampo-Restrepo ◽  
Juarez L. F. Da Silva
Keyword(s):  
Particle Size ◽  
Transition Metal ◽  
Size Effects ◽  
Metal Particles ◽  
Quantum Size Effects ◽  
Preliminary Step ◽  
Quantum Size ◽  
Key Factor ◽  
Adsorption Of Co2 ◽  
Substrate Particle

Adsorption is a crucial preliminary step for the conversion of CO2, then the atomistic understanding of how substrate particle size affects this step could be a key factor to control the catalytic transformations of CO2 into higher-value products.

scholarly journals Finite-size effects in the nuclear magnetic resonance of epitaxial palladium thin films

2013 ◽  
Vol 88 (14) ◽  
Author(s):  
W. A. MacFarlane ◽  
T. J. Parolin ◽  
T. I. Larkin ◽  
G. Richter ◽  
K. H. Chow ◽  
...  
Keyword(s):  
Thin Films ◽  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Size Effects ◽  
Finite Size ◽  
Finite Size Effects ◽  
Nuclear Magnetic
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