Long-range shielding and NMR chemical shifts in silicon carbide polytypes

1992 ◽  
Vol 70 (3) ◽  
pp. 700-702 ◽  
Author(s):  
Deqi Guo ◽  
J. Stephen Hartman ◽  
Mary Frances Richardson

Despite an apparently successful empirical correlation, it is incorrect to ascribe variations in 29Si and 13C chemical shifts in silicon carbide polytypes to diamagnetic anisotropy effects Keywords: silicon carbide, long-range shielding, polytypism, MAS NMR.

2017 ◽  
Vol 55 (11) ◽  
pp. 990-995 ◽  
Author(s):  
Dmitry O. Samultsev ◽  
Yury Yu. Rusakov ◽  
Leonid B. Krivdin

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