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Steady-flow dynamics of ferromagnetic 180$^{\circ}$ domain walls (180DWs) inlong and narrow spin valves (LNSVs) with interfacial Dzyaloshinskii-Moriyainteraction (IDMI) under spin currents with Slonczewski $g-$factor areexamined. Depending on the magnetization orientation of polarizers (pinnedlayers of LNSVs), dynamics of 180DWs in free layers of LNSVs are subtlymanipulated: (i) For parallel polarizers, stronger spin polarization leads tohigher Walker limit thus ensures the longevity of faster steady flows.Meantime, IDMI induces both the stable-region flapping and its widthenlargement. (ii) For perpendicular polarizers, a wandering of 180DWs betweenbi- and tri-stability persists with the criticality adjusted by the IDMI. (iii)For planar-transverse polarizers, IDMI makes the stable region of steady flowscompletely asymmetric and further imparts a high saturation wall velocity underlarge current density. Under the last two polarizers, the ultrahighdifferential mobility of 180DWs survives. The combination of Slonczewski spincurrent and IDMI provides rich possibilities of fine controlling on 180DWdynamics, hence opens avenues for magnetic nanodevices with rich functionalityand high robustness.

Slonczewski-spin-current driven dynamics of 180$^{\circ}$ domain walls in spin valves with interfacial Dzyaloshinskii-Moriya interaction