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Nuclear-spin effects in singly negatively charged InP quantum dots
Experimental investigation of nuclear-spin effects on the electron-spin polarization in singly negatively charged InP quantum dots is reported. Pump-probe photoluminescence measurements of electron-spin relaxation in the microsecond time scale are used to estimate the time period ${T}_{N}$ of the Larmor precession of nuclear spins in the hyperfine field of electrons. …