Defect Tolerant Quantum Cutting in Mechanosynthesized Ytterbium-Doped Cesium Lead Chloride Perovskites.

Furthermore, a comparison of 2 and 6 h grinding-time NMR spectra taken at a lower spin rate of 3 kHz ( Figure S17 ) showed there was little to no change to the chemical shift anisotropy of the cesium site as grinding time is increased. If we next compare the spin–lattice relaxation times, T 1 at 18.8 T, of the 133 Cs resonance at 80 ppm for series G2 ( Figure ) we observe a decreasing trend in spin–lattice relaxation times at longer grinding times.

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