TY - JOUR AU - Matthew Pufall AU - William Rippard AU - Stephen Russek AU - Eric Evarts C2 - Physical Review B DA - 2012-09-04 DO - https://doi.org/10.1103/PhysRevB.86.094404 LA - en M1 - 86 PB - Physical Review B PY - 2012 TI - Anisotropic frequency response of spin-torque oscillators with applied field polarity and direction ER -