Simplified Flow Chart (IMAGE) Science China Press Caption (a) Simplified flow chart for the magnetic susceptibility measurement set-up for the diamond anvil cell (DAC). LIA and AC denote lock-in amplifier and alternating-current source, respectively. (b) Left: The sample in the gasket hole at 2 GPa and 200 K (left), and at 155 GPa and 300 K (right), respectively. Right: Magnetic susceptibility signals of sulfur hydride at various pressures. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.