Supercycled SWf-TPPM sequence for heteronuclear dipolar decoupling in solid-state nuclear magnetic resonance

► The supercycled version of SWf-TPPM for heteronuclear dipolar decoupling in solids. ►Comparison with other commonly used decoupling schemes, SPINAL-64 and SWf-TPPM. ►Good decoupling characteristics with respect to proton offset and MAS frequencies.►A decoupling scheme which is user-friendly, easy to formulate and optimize.