A rotor comprising a ferromagnetic body with embedded permanent magnets PMs embedded within an interior of the ferromagnetic body; wherein the ferromagnetic body has a surface and a plurality of PM poles and a plurality of PM-less poles, wherein each of the PM poles comprises one or more of the embedded PMs and each of the PM-less poles does not include PMs and is entirely formed from a ferromagnetic material; wherein the plurality of PM poles and the plurality of PM-less poles are distributed circumferentially about a rotation axis such that circumferentially adjacent PM poles are separated by a PM-less pole of the plurality of PM-less poles; and wherein the plurality of PM poles and the plurality of PM-less poles are axially distributed along the rotation axis such that each PM pole axially overlaps a PM-less pole, and each PM-less pole axially overlaps a PM pole; characterized in that, at least one of the PM poles includes a first magnetic flux barrier and a second magnetic flux barrier, the first magnetic flux barrier being arranged radially between the rotation axis and the surface of the ferromagnetic body, and the second magnetic flux barrier being arranged radially between the first magnetic flux barrier and the surface of the ferromagnetic body; wherein the first magnetic flux barrier includes an axially extending slot defined within an interior of the ferromagnetic body; wherein the second magnetic flux barrier includes one or more of the PMs; wherein the PM has an axial profile major dimension arranged radially between the rotation axis and the surface of the ferromagnetic body; wherein due to the circumferentially alternating arrangement of the PM poles and PM-less poles, each PM having its axial profile major dimension arranged radially between the rotation axis and the surface of the ferromagnetic body is spaced relative to a PM of a different PM pole by a PM-less pole so that a circumferentially-facing pole is spaced from a PM of a different PM pole by a PM-less pole for reducing interaction between magnetic fields in a circumferential direction. wherein the ferromagnetic body has a surface and a plurality of PM poles and a plurality of PM-less poles, wherein each of the PM poles comprises one or more of the embedded PMs and each of the PM-less poles does not include PMs and is entirely formed from a ferromagnetic material; wherein the plurality of PM poles and the plurality of PM-less poles are distributed circumferentially about a rotation axis such that circumferentially adjacent PM poles are separated by a PM-less pole of the plurality of PM-less poles; and wherein the plurality of PM poles and the plurality of PM-less poles are axially distributed along the rotation axis such that each PM pole axially overlaps a PM-less pole, and each PM-less pole axially overlaps a PM pole; characterized in that, at least one of the PM poles includes a first magnetic flux barrier and a second magnetic flux barrier, the first magnetic flux barrier being arranged radially between the rotation axis and the surface of the ferromagnetic body, and the second magnetic flux barrier being arranged radially between the first magnetic flux barrier and the surface of the ferromagnetic body; wherein the first magnetic flux barrier includes an axially extending slot defined within an interior of the ferromagnetic body; wherein the second magnetic flux barrier includes one or more of the PMs; wherein the PM has an axial profile major dimension arranged radially between the rotation axis and the surface of the ferromagnetic body; wherein due to the circumferentially alternating arrangement of the PM poles and PM-less poles, each PM having its axial profile major dimension arranged radially between the rotation axis and the surface of the ferromagnetic body is spaced relative to a PM of a different PM pole by a PM-less pole so that a circumferentially-facing pole is spaced from a PM of a different PM pole by a PM-less pole for reducing interaction between magnetic fields in a circumferential direction.