29 results about "Nanocrystalline material" patented technology

The invention discloses a method for improving the thermal stability of a gradient nanocrystalline structure, and belongs to the technical field of metal material processing. According to the method, Mg-RE series alloy is used as a matrix, a matrix alloy ingot is heated for solution treatment, surface strengthening is carried out after water quenching and cooling, a gradient nanocrystalline layer is formed on the surface layer of an alloy sample, finally, the alloy sample is transferred into an aging oven for low-temperature aging, and cooling is carried out, so that the magnesium alloy is obtained. According to the method, the thermal stability of the magnesium alloy gradient nanocrystalline is improved through a synergistic strategy of component design and low-temperature aging, so that the grain growth rate of Mg-RE alloy gradient nanocrystalline structures treated by various different surface strengthening methods in a high-temperature environment can be remarkably reduced; the core bottleneck that a traditional magnesium alloy gradient nanocrystalline material is poor in thermal stability and single in applicable surface treatment method is solved; and the process does not need special equipment, can be seamlessly connected with various existing magnesium alloy surface strengthening production lines, and is low in process cost, simple and convenient to operate and easy to industrially popularize.

The application belongs to the technical field of electromagnetic compatibility control design, and particularly relates to a marine low-ground-capacitance filter design method. The method specifically comprises the following steps: firstly, using an inductor as a main filter device, for a low-frequency band below 100 kHz, a magnetic core of the inductor uses an iron-based nanocrystalline material, for a low-frequency band from 100 kHz to 1 MHz, the magnetic core of the inductor uses MnZn magnetic material, and for a high-frequency band above 1 MHz, the magnetic core of the inductor uses NiZn magnetic material; secondly, based on the designed inductor, a multi-stage filter circuit combining low frequency and high frequency is designed; the filter circuit comprises: a plurality of common-mode inductors connected in series, a differential-mode capacitor Cx connected in parallel to both ends of the common-mode inductor, a common-mode capacitor Cy connected in parallel between a live wire and the ground, and a common-mode capacitor Cy connected in parallel between a zero wire and the ground; finally, modular packaging and glue filling are performed, so that the inductor of the filter circuit is parallel to the shell, the center position of the filter circuit is located at the center position of the shell, and overall insulation glue filling is not performed.

The application provides a flexible perovskite battery and a preparation method and a photovoltaic module thereof, wherein an interface insertion layer is arranged between a flexible conductive substrate and a hole transport layer of the flexible perovskite battery, and the components of the interface insertion layer include metal oxide nanocrystal materials with a particle size range of 25nm-150nm. In the application, by introducing the interface insertion layer between the flexible conductive substrate and the hole transport layer of the flexible perovskite battery, the size effect and the surface chemical properties of the metal oxide nanocrystal are utilized to effectively improve the interface wettability, induce high-quality crystallization of perovskite, inhibit interface recombination through weak interaction, and enhance light absorption through light scattering, so that the film forming quality, the carrier transport efficiency and the light utilization of the flexible perovskite battery are synergistically improved; therefore, the flexible perovskite battery exhibits excellent photoelectric performance.

The invention discloses a laminated insulation shielding material based on crushed magnetic nanocrystals and a preparation method thereof. The material structurally consists of a nanocrystal unit layer and an insulation coating layer, the nanocrystalline unit layer is formed by laminating 2-4 layers of nanocrystalline strips through an adhesive and carrying out magnetic crushing treatment to form a composite strip containing regular parallelogram fragments, and an eddy current path can be effectively cut off; and the insulating coating layer adopts a polyimide adhesive tape, and after the slit nanocrystal narrow strips are attached to the center, the reserved parts on the two sides are bent upwards to form a'three-surface 'coating structure for the upper surface, the lower surface and the two side edges of the nanocrystal, so that comprehensive and reliable insulation is realized. The preparation method comprises the steps of laminating and compounding, magnetic crushing treatment, two-time slitting, transferring and attaching, and edge covering and forming. The composite material has the advantages of high frequency, low magnetic loss and high insulation reliability, is particularly suitable for electromagnetic interference shielding of electronic equipment with the frequency band from hundred kHz to MHz, and solves the technical problems that a traditional nanocrystalline material is large in high-frequency eddy current loss and prone to short circuit.

The utility model discloses an amorphous common mode inductor which comprises an annular magnetic core, a primary coil and a secondary coil, the primary coil is wound on the left side of the annular magnetic core, the secondary coil is wound on the right side of the annular magnetic core, the annular magnetic core is made of iron-based amorphous alloy, and the primary coil or the secondary coil is made of ferrite nanocrystalline. The stray magnetic field of the magnetic core is reduced by the annular magnetic core, so that magnetic lines are more concentrated, and the magnetic density is increased; the annular magnetic core has no air gap, the magnetic conduction rate of the amorphous common mode inductor is improved, the turn-to-turn capacitance of the coil is reduced, the frequency band is broadened, the ferrite nanocrystalline material adopted by the primary coil or the secondary coil has extremely high magnetic conductivity and working frequency, the magnetic conductivity is also very small along with the change of magnetic flux density and temperature, and the working efficiency is greatly improved. According to the amorphous common-mode inductor, large inductance can be obtained with a small number of turns of the coil, the size and weight of the inductor are reduced, common-mode interference can be restrained within a wide frequency range, and the anti-electromagnetic interference performance of the amorphous common-mode inductor is enhanced.

The invention relates to the field of materials, and discloses a surface wave-shaped gold nanocrystalline material and a preparation method and application thereof.The preparation method comprises the steps that a chloroauric acid solution A1, a sodium hydroxide solution B1 and a solution C1 containing a first ligand react to obtain a first solution; the first ligand is selected from more than one of nitrite, citrate, sulfite and hypophosphite; a solution 1 containing a second ligand, a solution 2 containing a nanocrystalline template and a reducing agent solution 3 are mixed to obtain a mixed solution 4, the solution I is added into the mixed solution 4 to obtain a solution II, and the second ligand is selected from one or more of polyvinylpyrrolidone and poly (diallyldimethylammonium chloride) heat exchange sodium dodecyl benzene sulfonate; and mediating a mediating agent into the solution II to obtain the gold nanocrystalline material with the wavy surface. According to the method, the gold nanocrystals are synthesized in a water phase at normal temperature and normal pressure by adopting a wet chemical method, the surfaces of the prepared gold nanocrystals are wavy, and the roughness is continuously adjustable.

A magnetic isolation sheet, a coil module, and an electronic device are provided. The magnetic isolation sheet is used in a coil module in a wireless charging device. The magnetic isolation sheet includes a first nanocrystalline layer. The first nanocrystalline layer includes a first region in a shape of a non-closed ring. A material of the first region is a nanocrystal on which magnetic crushing has not been performed. Because the first region is in the shape of a non-closed ring, i.e., the first region is provided with a notch penetrating the first region, through the notch, a change in magnetic flux when magnetic lines of force in a magnetic field pass through the nanocrystal can be avoided, and the heating of a nanocrystalline material during wireless charging is avoided.

The application belongs to the technical field of nanocrystal material preparation, and particularly relates to a preparation method of organic perovskite nanocrystal and the organic perovskite nanocrystal. The method comprises the steps of obtaining a precursor solution and performing high-temperature vacuum extraction on the precursor solution. The step of obtaining the precursor solution at least comprises: heating and complexing organic precursor salt and a ligand to form an organic salt complex; the structure of the ligand is R1-R-SO3H, wherein R is selected from C6-C18 arylene, R1 is selected from C n H 2n+1 , H, and n is an integer from 1 to 18. The method can completely remove impurities in the synthesis of the organic perovskite nanocrystal during the high-temperature vacuum extraction operation by pre-synthesizing the organic salt complex, which has a higher melting point and binding stability, while avoiding the escape of small organic molecules caused by high-temperature vacuum extraction. The synthesized nanocrystal has adjustable wavelength, uniform size, high quantum efficiency and high stability.

The invention provides a hollow PtAgS nanocrystalline material as well as a preparation method and application thereof, and belongs to the technical field of synthesis of nano materials. A simple two-step hydrothermal method is adopted, firstly, a gel precursor is synthesized to serve as a self-sacrifice template, then a platinum source, a silver source, a sulfur source and the template are subjected to a hydrothermal reaction together, and the hollow PtAgS nanocrystal is obtained. According to the preparation method disclosed by the invention, platinum and silver atoms are induced to diffuse outwards from a sulfur-containing core by utilizing twin crystal defects formed in the initial stage of reaction, so that a hollow structure is formed; the process is simple and efficient, the product is pure, the structure is uniform and controllable, and the prepared hollow PtAgS nanocrystal is a ternary alloy nanocrystal with a uniform hollow structure, has twin crystal defects, shows excellent soft magnetic properties including high saturation magnetization and low coercive force, is particularly suitable for high-frequency and low-loss magnetic devices, and has wide application prospects. Such as miniaturized electronic components and magnetic sensors, and has a wide industrial application prospect.

The invention belongs to the technical field of crystal catalytic material preparation and pollutant degradation, and relates to a CoSe nanocrystalline catalytic material as well as a preparation method and application thereof. The chemical formula of the CoSe nanocrystal is CoSe, the CoSe nanocrystal is formed by assembling Co atoms and Se atoms through covalent bonds, the crystal size is concentrated at 5-20 nm, and Co exists in a mixed valence of + 2 / + 3. The nanocrystal is synthesized in situ through controllable pyrolysis and gas-phase selenylation by combining coordination self-assembly with in-situ phase engineering. The CoSe nanocrystalline material is used as a peroxymonosulfate (PMS) activation catalyst for oxidative degradation of tetracycline.

The utility model discloses a nanocrystalline iron core with high magnetic conductivity and low coercive force, which comprises a nanocrystalline iron core main body, and strip lamination monomers are uniformly arranged on the nanocrystalline iron core main body. According to the utility model, a common integrated nanocrystalline iron core main body is arranged to be a structural body formed by winding and overlapping the strip lamination monomers, that is, the iron core is divided into multiple layers of thin strips, so that the thickness of a single layer is obviously reduced, the loss is in direct proportion to the square of the thickness according to an eddy-current loss formula, and therefore, the eddy-current loss can be greatly reduced by reducing the thickness; the insulating paint coating is arranged on the inner side wall of the nanocrystalline base material layer, flowing of eddy current between layers can be blocked through the insulating paint coating between the multiple layers of strip structures, and it is considered that eddy current loss is closely related to the microstructure, the magnetic performance and the working condition of the material; and further, the nanocrystalline substrate layer is beneficial to keeping high magnetic conductivity and low coercive force of the nanocrystalline material.

This invention provides an interlayer insulation-reinforced magnetic ring and its manufacturing method. The magnetic ring includes a magnetic core wound from an amorphous or nanocrystalline material. The amorphous or nanocrystalline material is composed of multiple layers of tape, with the edges of adjacent layers staggered axially, thus forming serrated or stepped grooves on the end face of the wound magnetic core. The grooves are filled with insulating adhesive. One or both sides of the tape are coated with a micron-level insulating layer to separate adjacent layers. This invention replaces the traditional PI film by coating the tape surface with an insulating layer, eliminating the thickness occupation of the PI film, improving the duty cycle of the magnetic ring, and achieving high winding efficiency and low manufacturing cost. Furthermore, the serrated or stepped grooves formed on the end face of the magnetic core increase the creepage distance, blocking and disrupting the surface discharge path, effectively suppressing the end face discharge phenomenon. Combined with the insulating adhesive filling, mechanical protection is formed, preventing end face damage.

The invention belongs to the field of wireless charging devices, and particularly relates to a wireless charging and transmitting module based on a nanocrystalline magnetic isolation sheet. The wireless charging and transmitting module comprises a nanocrystalline magnetic isolation sheet and a coil arranged on the nanocrystalline magnetic isolation sheet, the coil is a multi-strand stranded wire coil, a multi-strand parallel winding coil or an FPC coil, the nanocrystalline magnetic isolation sheet is formed by alternately compounding nanocrystalline material layers and double-faced adhesive tape layers, and a lead groove is formed in the outer side or the inner side of the nanocrystalline magnetic isolation sheet. According to the wireless charging transmitting module, the nanocrystalline magnetic isolation sheet formed by alternately compounding the nanocrystalline material layers and the double-faced adhesive tape layers is adopted to replace a ferrite magnetic isolation sheet, the lightening and thinning of the wireless charging transmitting module are realized, the reliability and the high power density are improved, and meanwhile, through the specific combination of the multi-strand stranded wire coil, the multi-strand parallel winding coil or the FPC coil, the wireless charging transmitting module is more compact in structure. Rs increase caused by replacement of a ferrite magnetic isolation sheet with a nanocrystalline magnetic isolation sheet can be avoided.

The invention provides a flexible perovskite cell, a preparation method thereof and a photovoltaic module, an interface insertion layer is arranged between a flexible conductive substrate and a hole transport layer of the flexible perovskite cell, and the interface insertion layer comprises a metal oxide nanocrystalline material with a particle size range of 25 nm to 150 nm. According to the flexible perovskite cell, the interface insertion layer is introduced between the flexible conductive substrate and the hole transport layer of the flexible perovskite cell, and the size effect and surface chemical characteristics of metal oxide nanocrystals are utilized, so that the interface wettability is effectively improved, high-quality crystallization of perovskite is induced, and interface recombination is inhibited through weak interaction; light absorption is enhanced by utilizing light scattering, and the film forming quality, the carrier transmission efficiency and the light utilization rate of the flexible perovskite cell are synergistically improved; therefore, the flexible perovskite cell shows excellent photoelectric properties.

This invention discloses a high-boron Y–Ce–Co co-substituted nanocrystalline material and its preparation method. The general chemical formula of the nanocrystalline material, expressed as a percentage by mass, is: [RE x (Y y Ce 1‑y ) 1‑x ] z Fe 100‑z‑u‑v‑w Co u M v B w The composition is defined as follows: 0 ≤ x ≤ 0.9, 0.05 ≤ y ≤ 0.9, 25 ≤ z ≤ 35, 5 ≤ u ≤ 50, 0 ≤ v ≤ 3, 1.7 ≤ w ≤ 3. This invention utilizes Y–Ce–Co co-substitution to synergistically regulate the lattice occupancy, elemental valence states, and magnetic exchange interactions of the main phase, significantly improving the temperature stability of the Ce-rich system. Addressing the issues of abnormal grain growth and excessive Laves phase precipitation caused by Co introduction, increasing the mass percentage of B significantly enhances the alloy's amorphous forming ability, refines the main phase grains, and suppresses the formation of harmful second phases. Based on this compositional design, a low-linear-velocity melt rapid quenching process (12 to 18 m / s) can directly prepare materials with uniform nanocrystalline structures without subsequent crystallization annealing, achieving high coercivity and high temperature resistance while significantly reducing raw material costs.

The application relates to a high-pressure-resistant sensor and a preparation method thereof, which comprises a shell, a sensing unit and a cover body. The shell comprises a body and a cover body, the body has a cavity inside, and one end of the body in the length direction has an opening. The cover body is detachably arranged at the opening to seal the shell. The sensing unit is accommodated in the cavity. The sensing unit comprises a double-coil vibration head module and a signal enhancement module. The double-coil vibration head module comprises a support framework, a magnetic tank and a coil assembly. The coil assembly is arranged on the support framework. The coil assembly comprises an inner coil and an outer coil which are coaxially arranged. The diameter of the outer coil is larger than that of the inner coil. The axial direction of the inner coil and the outer coil is consistent with the length direction of the body. The signal enhancement module is coaxially arranged on the periphery of the double-coil vibration head module. The application can make the signal penetration ability stronger and can penetrate thicker metal shells. In addition, the application wraps the magnetic tank and the coil assembly with a high-permeability strip-shaped amorphous nanocrystalline material, effectively enhancing the signal penetration ability.

This invention discloses a photosensitive nanocrystalline material and its preparation method, belonging to the field of photoresist manufacturing technology. To address the problems of low light absorption efficiency, insufficient resolution, and complex preparation of existing photoresist materials, this invention uses an Hf / Zr mixed metal alkoxide precursor and prepares it through steps including anhydrous hydrolysis, two-phase reaction, surface modification, and photosensitive addition. Specifically, it includes: (i) reacting ultrapure water with the first ligand A at low temperature to form a 1.5-3 nm metal oxide nanocrystalline sol; (ii) growing crystals through an alkaline reaction in the two-phase system; (iii) surface modification with bridging ligand B and the second ligand C; and (iv) adding a photoacid generator and a free radical photoinitiator, filtering with a filter membrane, and pre-baking to form a film. This material is suitable for negative lithography processes, with an EUV absorption efficiency >85% and an LWR <2 nm. The method of this invention is simple to operate, has a yield >85%, significantly improves material stability and resolution, and is suitable for sub-10 nm semiconductor lithography.

This invention discloses a six-sided three-dimensional optical storage and computing integrated chip and its storage and computing method, belonging to the field of chip technology. It includes a three-dimensional storage body formed by stacking and bonding nanocrystalline materials, optoelectronic fusion chips respectively attached to the six outer surfaces of the three-dimensional storage body, a laser writing module, and a laser reading module. The six optoelectronic fusion chips constitute three pairs of face-to-face optoelectronic fusion chips, including an information input optoelectronic fusion chip pair, an information output optoelectronic fusion chip pair, and a resource retrieval and computation optoelectronic fusion chip pair. The laser writing module controls the three pairs of face-to-face optoelectronic fusion chips to emit high-frequency, high-power laser beams, changing the crystal phase of the nanocrystalline materials inside the three-dimensional storage body. The laser reading module controls the three pairs of face-to-face optoelectronic fusion chips to emit low-frequency, low-power laser beams, generating a four-wave mixed signal light. This invention uses the above-mentioned chip and its storage and computing method, utilizing third-order nonlinear optical effects and four-wave mixing to achieve uniqueness determination of information writing and reading.

To provide a wound core excellent in magnetic characteristics.SOLUTION: A wound core is formed by winding a surface-oxidized thin strip made of a nanocrystalline material in a plurality of layers, and in the nanocrystalline material thin strip 10, an oxidation degree of a F2 part 11 in a width-direction center part of the nanocrystalline material thin strip is different from oxidation degrees of an end part 12 and an end part 13 located on both width-direction sides of the center part in the nanocrystalline material thin strip.SELECTED DRAWING: Figure 3

The invention discloses a copper-iron nanocrystalline material, a preparation method thereof and application of the copper-iron nanocrystalline material in treatment of bacteremia. In the material, the molar ratio of copper to iron is 8: 2, CuO and Fe3O4 form a bicrystal structure, and the surface of the material is modified with a stabilizer containing peroxide groups. By accurately regulating and controlling the metal proportion, it is found for the first time that when the ratio of Cu to Fe is 8: 2, the membrane damage capacity of Cu < 2 + > and the Fenton catalytic activity of Fe < 2 + > / Fe < 3 + > generate a remarkable synergistic interaction effect. An antibacterial mechanism shows that the material is adsorbed on the surfaces of bacteria with negative electricity through electrostatic interaction, the integrity of cell membranes is damaged, and intracellular substances are leaked; the peroxy group on the surface can be used as an endogenous H2O2 source to generate a large amount of hydroxyl radicals under the catalysis of Fe < 2 + > to trigger oxidative stress damage in bacteria, so that efficient killing of methicillin-resistant staphylococcus aureus and other drug-resistant bacteria is realized. In-vivo and in-vitro experiments prove that the material has excellent safety performance, can be used as a biomedical material for treating bacteremia, pneumonia and other infectious diseases caused by MRSA, and provides a new choice for solving the problem of MRSA drug resistance.

The invention discloses a white light nanosheet light emitting diode. The light emitting diode includes: a substrate; a first electrode; a first carrier injection layer; a first carrier transport layer; a light-emitting layer; a second carrier transport layer; a second carrier injection layer; and a second electrode. Wherein the light-emitting layer comprises a nanosheet CQW and a blue light nanocrystalline material; the nanometer sheet CQW is CdSe / CdZnS, and the nanometer sheet CQW is CdSe / CdZnS; at least one of the first carrier transport layer and the second carrier transport layer is an organic material layer; the blue light nanocrystalline material generates blue light with the wavelength smaller than 500 nm; the forbidden bandwidth of the organic material is larger than 2.48 eV, and the organic material can generate blue light with the wavelength smaller than 500 nm; and the nanosheet CQW and the organic material generate exciplex luminescence. The light-emitting diode has the advantages of high luminous efficiency and good color rendering property.

The invention aims to provide a method for preparing a nano array by adopting plasma etching. Specifically, the invention provides a micro-nano processing technology of a red-light nanocrystalline material, the diameter of polystyrene microspheres wrapped with nanocrystalline is accurately controlled through a plasma etching process, and then a nano array structure with a certain gap is constructed. The preparation method overcomes the defects in the prior art, simplifies the preparation process and reduces the production cost.

The invention relates to the technical field of laser safety monitoring and defense, and discloses a laser searching system based on a core-shell structure rare earth-based light conversion material. The material provided by the invention comprises an up-conversion nanocrystal with a core-shell structure, and the nanocrystal comprises an inner core layer which is a first fluoride material at least containing one or more rare earth ions and is used for absorbing first wave band light and carrying out up-conversion. And the middle shell layer coats the outer side of the inner core layer and is a second fluoride material containing rare earth ions. And the outer shell layer coats the outer side of the middle shell layer and is made of a third fluoride material containing rare earth ions. The nanocrystalline material is configured to absorb low energy light of the first wavelength band light and to emit a second wavelength band light of higher energy through an up-conversion process. According to the invention, invisible intrusion laser irradiation can be converted into imageable second wave band light and abnormity identification is carried out so as to realize high-sensitivity real-time detection and reliable early warning of a laser eavesdropping intrusion behavior.

The utility model relates to the technical field of composite devices, and discloses an amorphous nanocrystalline broadband multilayer composite device which comprises a supporting base, and special-shaped supporting blocks are fixedly installed on the two sides of the upper end of the supporting base in a pairwise symmetrical mode. According to the method, alignment and tension dynamic control can be accurately carried out in the amorphous and nanocrystalline material compounding process, interlayer dislocation, magnetic short circuit and magnetic leakage caused by tension fluctuation in the compounding process are avoided, so that the amorphous and nanocrystalline material compounding precision is improved, the amorphous and nanocrystalline material compounding parameter adjusting time is further shortened, and the amorphous and nanocrystalline material compounding efficiency is improved. And meanwhile, by arranging a telescopic air cylinder and a telescopic shaft, the situation that the extrusion force is insufficient in the compounding process of the amorphous and nanocrystalline materials can be effectively prevented, the situation that gaps or weak connection interfaces are caused due to the fact that amorphous and nanocrystalline strip layers cannot be fully attached is avoided, and the energy transmission efficiency is further improved.

The invention discloses a differential and common mode integrated inductor, which relates to the technical field of electrical components, and comprises a magnetic core formed by winding a nanocrystalline strip, two windings arranged on the magnetic core and electrically isolated from each other, and at least one magnetic isolation sheet made of a high-magnetic-resistance material. The magnetic isolation sheet is arranged in a magnetic circuit of the magnetic core and is configured to force at least part of differential-mode magnetic flux to penetrate through the magnetic isolation sheet in a concentrated manner when differential-mode current flows through the two windings, so that a high-magnetic-resistance differential-mode magnetic flux path is formed in the magnetic circuit of the complete magnetic core; and when common-mode current flows through the two windings, common-mode magnetic flux mainly flows through the body part of the magnetic core. According to the invention, by arranging the magnetic isolation sheet, on the premise that the brittle nanocrystalline magnetic core is not cut or worn, the problem of independently and accurately regulating and controlling the differential mode and common mode magnetic circuits in an integrated structure is solved, and reliable application of a high-performance nanocrystalline material in an ultrahigh-frequency and large-current-difference common mode filter is realized; and the filtering performance, the anti-saturation capability and the product consistency are obviously improved.

This invention discloses a high power density transformer, comprising: a wound magnet, a first winding and a second winding wound on the wound magnet, and a first electrode and a second electrode attached to the wound magnet; the lead of the first winding extends to the first electrode, and the lead of the second winding extends to the second electrode. The wound magnet of this invention uses a low-loss, high-saturation Fe-based nanocrystalline material to reduce material loss and heat generation. Simultaneously, the high saturation characteristics of the Fe-based nanocrystalline material, together with carbonyl Fe powder, prepare a gapless transformer structure, reducing localized heat generation caused by leakage flux loss.

The application belongs to the technical field of nanocrystalline materials, and particularly relates to a nanocrystalline strip with high saturation magnetic induction and low coercivity, and further discloses a preparation method and application thereof. a Co b Ni c Si d B e R f Sr j Cu h (MCl) x . The nanocrystalline strip has a strip thickness of 14-22 mu m, a strip width of 1-100 mm, a saturation magnetic induction of 1.85-1.99 T, a coercivity of 0.2-6 A / m, and a loss of 4.6-5.2 W / kg. B s H c P 1kHz / 1T The nanocrystalline strip has high saturation magnetic induction, low coercivity, low loss and high amorphous forming ability, and effectively solves the problem that the current nanocrystalline strip is difficult to have high saturation magnetic induction, low coercivity, low loss and high amorphous forming ability.​​