A comprehensive NMR study of cubic and hexagonal boron nitride

✍ Scribed by G. Jeschke; W. Hoffbauer; M. Jansen

• Publisher: Elsevier Science
• Year: 1998
• Tongue: English
• Weight: 135 KB
• Volume: 12
• Category: Article
• ISSN: 0926-2040
• DOI: 10.1016/s0926-2040(98)00045-9

✦ Synopsis

A variety of techniques and measurements on all NMR accessible nuclei allow one to obtain a complete and precise set of chemical shift and quadrupole coupling parameters for both boron and nitrogen in cubic and hexagonal boron nitride. For hexagonal boron nitride, 11 B to 15 N cross polarization under magic angle sample spinning conditions is demonstrated at natural isotope abundance. The presented approach for NMR characterization of the crystalline boron nitrides should also be applicable to structurally related composite materials, nanotubes, and amorphous ceramics.