TY - JOUR AU - Guru Khalsa AU - Mark Stiles AU - Julie Grollier C2 - Applied Physics Letters DA - 2015-06-15 DO - https://doi.org/10.1063/1.4922740 LA - en M1 - 106 PB - Applied Physics Letters PY - 2015 TI - Critical current and linewidth reduction in spin-torque nano-oscillators by delayed self-injection ER -