A thermoelectric conversion material is constituted of a semiconductor that contains a constituent element and an additive element having a difference of 1 in the number of electrons in an outermost shell from the constituent element, the additive element having a concentration of not less than 0.01 at % and not more than 30 at %. The semiconductor has a microstructure including an amorphous phase and a granular crystal phase dispersed in the amorphous phase. The amorphous phase includes a first region in which the concentration of the additive element is a first concentration, and a second region in which the concentration of the additive element is a second concentration lower than the first concentration. The first concentration and the second concentration have a difference of not less than 15 at % and not more than 25 at % therebetween.

A thermoelectric conversion material is constituted of a semiconductor that contains a constituent element and an additive element having a difference of 1 in the number of electrons in an outermost shell from the constituent element, the additive element having a concentration of not less than 0.01 at % and not more than 30 at %. The semiconductor has a microstructure including an amorphous phase and a granular crystal phase dispersed in the amorphous phase. The amorphous phase includes a first region in which the concentration of the additive element is a first concentration, and a second region in which the concentration of the additive element is a second concentration lower than the first concentration. The first concentration and the second concentration have a difference of not less than 15 at % and not more than 25 at % therebetween.

A sulfurous, metallic glass forming alloy and a method for the production thereof are described.

Provided is a soft magnetic alloy having a composition of a compositional formula (Fe.sub.(1−(α+β))X1.sub.αX2.sub.β).sub.(1−(a+b+c+d+e))P.sub.aC.sub.bSi.sub.cCu.sub.dM.sub.e. 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, α≥0, β≥0, and 0≤α+β≤0.50.

Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; and an absorber layer on the capping layer, the absorber layer comprising an alloy selected from an alloy of ruthenium (Ru) and silicon (Si); an alloy tantalum (Ta) and platinum (Pt); and an alloy of ruthenium (Ru) and molybdenum (Mo).

An amorphous thin metal film can comprise a combination of three metals or metalloids including: 5 at % to 90 at % of a metalloid selected from the group of carbon, silicon, and boron; 5 at % to 90 at % of a first metal selected from the group of titanium, vanadium, chromium, iron, cobalt, nickel, zirconium, niobium, molybdenum, ruthenium, rhodium, palladium, hafnium, tantalum, tungsten, osmium, iridium, and platinum; and 1 at % to 90 at % of cerium. The three elements may account for at least 50 at % of the amorphous thin metal film.

An amorphous thin metal film can comprise a combination of three metals or metalloids including: 5 at % to 90 at % of a metalloid selected from the group of carbon, silicon, and boron; 5 at % to 90 at % of a first metal selected from the group of titanium, vanadium, chromium, iron, cobalt, nickel, zirconium, niobium, molybdenum, ruthenium, rhodium, palladium, hafnium, tantalum, tungsten, osmium, iridium, and platinum; and 1 at % to 90 at % of cerium. The three elements may account for at least 50 at % of the amorphous thin metal film.

The present application provides an iron-based amorphous alloy powder, a preparation method therefor and an application thereof. The iron-based amorphous alloy powder comprises a Cu element, and the particle shape of the iron-based amorphous alloy powder is spherical. The preparation method comprises the following steps: (1) smelting a master alloy to obtain iron-based amorphous alloy molten iron, the master alloy comprising a Cu element; and (2) treating the iron-based amorphous alloy molten iron obtained in step (1) by means of water-gas combined atomization to obtain the iron-based amorphous alloy powder.

The invention belongs to the field of additive manufacturing of amorphous alloy, and discloses a laser 3D printing forming system of amorphous alloy foil and a forming method thereof. The unnecessary material of the amorphous alloy foil is cut by a first laser and then the remaining portion is selectively scanned and heated by a second laser so that the amorphous alloy is heated to be in a superplastic state in the supercooled liquid region. Then, the amorphous alloy foil is rolled by a preheated roller in combination with the ultrasonic vibration to achieve interatomic bonding between layers of the amorphous alloy foil, and the amorphous alloy foil is then rapidly cooled, so that an amorphous alloy part with a large size, a complicated shape and a porous structure is formed. The invention has overcome the limitation of the size and shape of the amorphous alloy prepared by the traditional amorphous alloy preparation methods, and uses amorphous alloy foil as a raw material, which has lower cost than the traditional 3D printing amorphous powder. In addition, a roller is used to roll the ultra-thin amorphous alloy foil such that the prepared amorphous alloy part has a more compact internal structure.

The invention belongs to the field of additive manufacturing of amorphous alloy, and discloses a laser 3D printing forming system of amorphous alloy foil and a forming method thereof. The unnecessary material of the amorphous alloy foil is cut by a first laser and then the remaining portion is selectively scanned and heated by a second laser so that the amorphous alloy is heated to be in a superplastic state in the supercooled liquid region. Then, the amorphous alloy foil is rolled by a preheated roller in combination with the ultrasonic vibration to achieve interatomic bonding between layers of the amorphous alloy foil, and the amorphous alloy foil is then rapidly cooled, so that an amorphous alloy part with a large size, a complicated shape and a porous structure is formed. The invention has overcome the limitation of the size and shape of the amorphous alloy prepared by the traditional amorphous alloy preparation methods, and uses amorphous alloy foil as a raw material, which has lower cost than the traditional 3D printing amorphous powder. In addition, a roller is used to roll the ultra-thin amorphous alloy foil such that the prepared amorphous alloy part has a more compact internal structure.