Fig. 3: ODNMR measurement.
From: The squeezed dark nuclear spin state in lead halide perovskites
a Resonant spin amplification signals at different modulation frequencies. b Decomposition of the RSA signal at \({f}_{{{{{{{{\rm{mod}}}}}}}}}=50\) kHz into four components by fitting. From top to bottom: RSA signal (blue) together with the sum of the four components (red), contributions of the hole (green), the electron (dark red), the zero peak [ZP] (light blue), the nuclear magnetic resonances [NMR] (orange). c Dependence of the resonance field on the modulation frequency, in agreement with the 207Pb gyromagnetic ratio. T = 5 K.
