Abstract: A soft magnetic alloy includes a main component of (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))MaBbPcSidCe. X1 is one or more of Co and Ni. X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements. M is one or more of Nb, Hf, Zr, Ta, Mo, W, and V. 0.020?a?0.14 is satisfied. 0.020<b?0.20 is satisfied. 0?d?0.060 is satisfied. ??0 is satisfied. ??0 is satisfied. 0??+??0.50 is satisfied. c and e are within a predetermined range. The soft magnetic alloy has a nanohetero structure or a structure of Fe based nanocrystallines.

Abstract: Provided is a magnetic core in which metal magnetic particles occupy an area of 75% to 90% on a cross-section. The metal magnetic particles include first large particles having a crystalline metal material and having a Heywood diameter of 3 ?m or more on the cross-section of the magnetic core, and second large particles having a nanocrystal structure or an amorphous structure and having a Heywood diameter of 3 ?m or more, and an insulation coating of the first large particles is thicker than an insulation coating of the second large particles.

Abstract: Provided is a magnetic core in which metal magnetic particles occupy an area of 75% to 90% on a cross-section. The metal magnetic particles include first large particles having a nanocrystal structure and having a Heywood diameter of 3 ?m or more on the cross-section of the magnetic core, and second large particles having an amorphous structure and having a Heywood diameter of 3 ?m or more, and an insulation coating of the first large particles is thicker than an insulation coating of the second large particles.

Abstract: There is provided a soft magnetic alloy comprising a composition expressed by a formula of (Fe(1-?)A?)(1-m-x-y)MmXxYy, in which M represents at least one selected from the group consisting of Zr and Hf, X represents at least one selected from the group consisting of Ni, Mn, Cu, Co, Al, and Ge, Y represents at least one selected from the group consisting of B, P, and Si, A represents at least one selected from the group consisting of Ti, V, Cr, Zn, Mg, Sn, Bi, O, N, S, and a rare earth element, m, x, y, and ? satisfy relationships of 0.070?m?0.120, 0.001?x?0.030, 0?y?0.010, and 0???0.100, and the alloy contains Fe-based nanocrystals having an average crystal grain size of 30 nm or less.

Abstract: An inductor includes a magnetic core portion and a coil portion. The magnetic core portion is a multilayer film in which a nanogranular magnetic film and a soft magnetic alloy film are alternately stacked. The nanogranular magnetic film has a structure in which nano-domains of a first phase are dispersed in a second phase. The first phase contains one or more selected from Fe and Co, and the second phase contains one or more selected from O, N, and F. The volume ratio of the first phase to the total volume of the first phase and the second phase is 60% or less. The soft magnetic alloy film contains one or more selected from Fe and Co. The total amount of Fe, Co, and Ni in the soft magnetic alloy film is 70 at % or more.

Abstract: A soft magnetic alloy comprising a main component having a compositional formula of ((Fe(1?(?+?))X1?X2?)(1?(a+b+c))MaBbCrc)1?dCd, and a sub component including P, S and Ti, wherein X1 is selected from the group Co and Ni, X2 is selected from the group Al, Mn, Ag, Zn, Sn, As, Sb, Bi and rare earth elements, “M” is selected from the group Nb, Hf, Zr, Ta, Mo, W and V, 0.030?a?0.14, 0.005?b?0.20, 0<c?0.040, 0?d?0.040, ??0, ??0, and 0??+??0.50 are satisfied, when soft magnetic alloy is 100 wt %, P is 0.001 to 0.050 wt %, S is 0.001 to 0.050 wt %, and Ti is 0.001 to 0.080 wt %, and when a value obtained by dividing P by S is P/S, then P/S satisfies 0.10?P/S?10.

Abstract: A nanogranular magnetic film includes a structure including first phases comprised of nano-domains dispersed in a second phase. The first phases include at least one selected from the group consisting of Fe, Co, and Ni. The second phase includes at least one selected from the group consisting of O, N, and F. A ratio of a volume of the first phases to a total volume of the first phases and the second phase is 65% or less. The nanogranular magnetic film has a porosity of 0.17 or more and 0.30 or less.

Abstract: A nanogranular magnetic film includes a structure including first phases comprised of nano-domains dispersed in a second phase. The first phases include at least one selected from the group consisting of Fe, Co, and Ni. The second phase includes at least one selected from the group consisting of O, N, and F. A ratio of a volume of the first phases to a total volume of the first phases and the second phase is 65% or less. A noble gas element is included at 0.20 at % or more and 0.80 at % or less.

Abstract: Provided is a soft magnetic alloy which has high saturation flux density and low coercivity and is represented by the compositional formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e+f))MaPbSicCudX3eBf, wherein X1 is at least one element selected from the group consisting of Co and Ni, X2 is at least one element selected from the group consisting of Ti, V, Mn, Ag, Zn, Al, Sn, As, Sb, Bi, and rare earth elements, X3 is at least one element selected from the group consisting of C and Ge, and M is at least one element selected from the group consisting of Zr, Nb, Hf, Ta, Mo, and W, and wherein 0.030?a?0.120, 0.010?b?0.150, 0?c?0.050, 0?d?0.020, 0?e?0.100, 0?f?0.030, ??0, ??0, and 0??+??0.55.

Abstract: Provided is a soft magnetic alloy having a composition of a compositional formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))PaCbSicCudMe. X1 is one or more selected from a group consisting of Co and Ni, X2 is one or more selected from a group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, 0, and rare earth elements, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, W and V. 0.050?a?0.17, 0<b<0.050, 0.030<c?0.10, 0<d?0.020, 0?e?0.030, ??0, ??0, and 0??+??0.50.

Abstract: There is provided a soft magnetic alloy comprising a composition expressed by a formula of (Fe(1-?)A?)(1-m-x-y)MmXxYy, in which M represents at least one selected from the group consisting of Zr and Hf, X represents at least one selected from the group consisting of Ni, Mn, Cu, Co, Al, and Ge, Y represents at least one selected from the group consisting of B, P, and Si, A represents at least one selected from the group consisting of Ti, V, Cr, Zn, Mg, Sn, Bi, O, N, S, and a rare earth element, m, x, y, and ? satisfy relationships of 0.070?m?0.120, 0.001?x?0.030, 0?y?0.010, and 0???0.100, and the alloy contains Fe-based nanocrystals having an average crystal grain size of 30 nm or less.

Abstract: A soft magnetic alloy including a compositional formula of ((Fe(1?(?+?))X1?X2?)(1?(a+b+c+e))MaBbPcCue)1?fCf, wherein X1 is one or more selected from the group consisting Co and Ni, X2 is one or more selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O, and rare earth elements, “M” is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, W, and V, 0.030<a?0.14, 0.028?b?0.20, 0?c?0.030, 0<e?0.030, 0<f?0.040, ??0, ??0, and 0??+??0.50 are satisfied.

Abstract: A soft magnetic alloy contains a main component having a composition formula of (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d))MaBbPcCd and auxiliary components including at least Ti, Mn and Al. In the composition formula, X1 is one or more selected from the group consisting of Co and Ni, X2 is one or more selected from the group consisting of Ag, Zn, Sn, As, Sb, Bi and a rare earth element, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W and V. In the composition formula, 0.030?a?0.100, 0.050?b?0.150, 0<c?0.030, 0<d?0.030, ??0, ??0, and 0??+??0.50 are satisfied. In the soft magnetic alloy, a content of Ti is 0.001 to 0.100 wt %, a content of Mn is 0.001 to 0.150 wt %, and a content of Al is 0.001 to 0.100 wt %.

Abstract: A soft magnetic alloy which includes nanocrystal parts and amorphous parts is provided. The nanocrystal parts include ?Fe(—Si) as a main component, and include at least one of elements selected from B, P, C, Ti, Zr, Hf, Nb, Ta, Mo, V, W, Cr, Al, Mn, Zn, and Cu as a sub-component. When a total content ratio of the sub-component in the nanocrystal parts is set as ? (at %), and a total content ratio of the sub-components of the nanocrystal parts included in the amorphous parts is set as ? (at %), 0.01?(?/?)?0.40, and a crystallinity degree is 5% or more and 70% or less.

Abstract: Provided is a soft magnetic alloy having a composition of a compositional formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))PaCbSicCudMe. X1 is one or more selected from a group consisting of Co and Ni, X2 is one or more selected from a group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, 0, and rare earth elements, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, W and V. 0.050?a?0.17, 0<b<0.050, 0.030<c?0.10, 0<d?0.020, 0?e?0.030, ??0, ??0, and 0??+??0.50.

Abstract: Provided is a soft magnetic alloy which has high saturation flux density and low coercivity and is represented by the compositional formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e+f))MaPbSicCudX3eBf, wherein X1 is at least one element selected from the group consisting of Co and Ni, X2 is at least one element selected from the group consisting of Ti, V, Mn, Ag, Zn, Al, Sn, As, Sb, Bi, and rare earth elements, X3 is at least one element selected from the group consisting of C and Ge, and M is at least one element selected from the group consisting of Zr, Nb, Hf, Ta, Mo, and W, and wherein 0.030?a?0.120, 0.010?b?0.150, 0?c?0.050, 0?d?0.020, 0?e?0.100, 0?f?0.030, ??0, ??0, and 0??+??0.55.

Abstract: Provided is a soft magnetic alloy which has high saturation flux density, low coercivity, and a high specific resistance, and is represented by the compositional formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))MaSibCucX3dBe, wherein X1 is at least one element selected from the group consisting of Co and Ni, X2 is at least one element selected from the group consisting of Ti, V, Mn, Ag, Zn, Al, Sn, As, Sb, Bi, and rare earth elements, X3 is at least one element selected from the group consisting of C and Ge, and M is at least one element selected from the group consisting of Zr, Nb, Hf, Ta, Mo, and W, and wherein 0.030?a?0.120, 0.020?b?0.175, 0?c?0.020, 0?d?0.100, 0?e?0.030, ??0, ??0, and 0??+??0.55).

Abstract: Provided is a soft magnetic alloy comprising a composition formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e+f))MaBbPcSidCeZnf. X1 denotes at least one selected from Co and Ni; X2 denotes at least one selected from Cu, Mg, Al, Mn, Ag, Sn, Bi, O, N, S, and rare earth elements; M denotes at least one selected from Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W; 0.080?b?0.150, 0?c?0.060, 0?d?0.060, 0?e?0.030, 0.0030?f?0.080, 0.0030?a+f?0.080, b+c?0.100, ??0, ??0, and 0??+??0.50 are satisfied; and the soft magnetic alloy has Fe-based nanocrystals with a bcc structure.

Abstract: A soft magnetic alloy including a composition having a formula of ((Fe(1?(?+?))X1?X2?)(1?(a+b+d+e))MaBbCrdCue)1?fCf. X1 is one or more elements selected from a group of Co and Ni. X2 is one or more elements selected from a group of W, Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O, and rare earth elements. M is one or more elements selected from a group of Nb, Hf, Zr, Ta, Ti, Mo, and V. 0.030?a?0.14, 0.028?b?0.15, 0.005?d?0.020, 0<e?0.030, 0?f?0.040, ??0, ??0, and 0??+??0.50 are satisfied.

Abstract: A composite magnetic body with high permeability and low magnetic loss in a high-frequency region of a gigahertz band; and a high-frequency electronic component using the same, the electronic component being compact and having low-insertion loss. This composite magnetic body has a high permeability and a low magnetic loss especially in a high-frequency region of a gigahertz band, and is provided with: a plurality of magnetic nanowires 361-363 aligned so as not to cross each other; and insulators 365-367 that electrically insulate the plurality of magnetic nanowires 361-363.