Synchronous accumulation of polarisation. A new approach to cross polarisation under fast magic angle spinning

Application of Rotor-Synchronized Amplit

Application of Rotor-Synchronized Amplitude-Modulated Cross-Polarization in a13C–1H Spin Pair under Fast Magic-Angle Spinning

✍ Jésus Raya; Jérôme Hirschinger 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 205 KB

Rotor-synchronized amplitude-modulated Hartmann-Hahn crosspolarization has been applied under fast magic-angle spinning to a powder sample of ferrocene. The influence on the cross-polarization process of the heteronuclear double quantum (flop-flop) transitions induced by the amplitude modulation for