Electrical machine, comprising - a stator on which a plurality of phase windings are arranged and which has at least one stator lamination structure (102, 104) which extends perpendicularly and radially with respect to the rotation axis (110; 210; 310; 410) of the electrical machine; and - a rotor (108; 200; 300; 400) which has at least one rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) which extends perpendicularly and radially with respect to the rotation axis (110; 210; 310; 410) of the electrical machine and which has a plurality of teeth (204, 304, 404) arranged in a circle along the outer circumference of the rotor (108, 200, 300, 400) and having, between them, recesses (206, 306, 406) in each of which a rotor bar or a permanent magnet is arranged; wherein the stator lamination structure (102, 104) and/or the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) have/has a first region (102, 114; 214; 314; 414) with a first saturation magnetization and a second region (104, 112; 204, 212, 304; 408) with a second saturation magnetization in the radial direction perpendicular with respect to the rotation axis (110; 210; 310; 410) of the electrical machine, wherein the second saturation magnetization is higher than the first saturation magnetization, and/or the stator lamination structure (102, 104) and/or the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) have/has a first region (102, 114; 214; 314; 414) with a first remagnetization loss in the form of iron loss and a second region (104, 112; 204, 212, 304; 408) with a second remagnetization loss in the form of iron loss in the radial direction perpendicular with respect to the rotation axis (110; 210; 310; 410) of the electrical machine, wherein the second remagnetization loss is lower than the first remagnetization loss, wherein the stator lamination structure (102, 104) or the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) is of disc-like form, wherein a disc-like stator lamination structure (102, 104) or rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) contains two or more materials or different material densities, characterized in that a material of higher magnetic value compared with a conventional electrical sheet, which is composed of an iron/silicon alloy, and having a relatively high saturation magnetization and/or a relatively low remagnetization loss is provided on regions of the stator lamination structure (102, 104) or of the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) with a relatively high magnetic flux density during operation of the electrical machine. - a stator on which a plurality of phase windings are arranged and which has at least one stator lamination structure (102, 104) which extends perpendicularly and radially with respect to the rotation axis (110; 210; 310; 410) of the electrical machine; and - a rotor (108; 200; 300; 400) which has at least one rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) which extends perpendicularly and radially with respect to the rotation axis (110; 210; 310; 410) of the electrical machine and which has a plurality of teeth (204, 304, 404) arranged in a circle along the outer circumference of the rotor (108, 200, 300, 400) and having, between them, recesses (206, 306, 406) in each of which a rotor bar or a permanent magnet is arranged; wherein the stator lamination structure (102, 104) and/or the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) have/has a first region (102, 114; 214; 314; 414) with a first saturation magnetization and a second region (104, 112; 204, 212, 304; 408) with a second saturation magnetization in the radial direction perpendicular with respect to the rotation axis (110; 210; 310; 410) of the electrical machine, wherein the second saturation magnetization is higher than the first saturation magnetization, and/or the stator lamination structure (102, 104) and/or the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) have/has a first region (102, 114; 214; 314; 414) with a first remagnetization loss in the form of iron loss and a second region (104, 112; 204, 212, 304; 408) with a second remagnetization loss in the form of iron loss in the radial direction perpendicular with respect to the rotation axis (110; 210; 310; 410) of the electrical machine, wherein the second remagnetization loss is lower than the first remagnetization loss, wherein the stator lamination structure (102, 104) or the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) is of disc-like form, wherein a disc-like stator lamination structure (102, 104) or rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) contains two or more materials or different material densities, characterized in that a material of higher magnetic value compared with a conventional electrical sheet, which is composed of an iron/silicon alloy, and having a relatively high saturation magnetization and/or a relatively low remagnetization loss is provided on regions of the stator lamination structure (102, 104) or of the rotor lamination structure (112, 114; 204, 212, 214; 304, 314; 408, 414) with a relatively high magnetic flux density during operation of the electrical machine.