inversion pulse

https://doi.org/10.1351/goldbook.08369
Pulse in nuclear magnetic resonance spectroscopy that completely inverts the magnetization of a spin, e.g., +z to z.
Note:
The inversion pulse can be a simple 180  or composite pulse.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 694 [Terms] [Paper]