Abstract: The present invention provides a preparation method for a fully-transparent thin film transistor, wherein a transparent conductive gate electrode layer of the fully-transparent thin film transistor is used as a photolithographic mask, a photoresist is exposed through a rear surface of a transparent substrate, the transparent substrate has a transmittance higher than 60% to an exposure light beam, and the transparent conductive gate electrode layer has a transmittance lower than 5% to the exposure light beam. In the preparation method for a fully-transparent thin film transistor provided by the present invention, by using a self-aligned technology, the process complexity and the feature size of the device can both be reduced.

Abstract: This invention relates to a double layer composite-coated nano-silicon negative electrode material, and its preparation methods and use, the negative electrode material comprising: a silicon-based nanoparticle, a copper layer coated on the surface of the silicon-based nanoparticle, and a conductive protective layer coated on the surface of the copper layer. Nano-copper has superplastic ductility and conductivity, and the prior art has proved that lithium ions can penetrate nano-copper; therefore, the copper coating layer has effects of inhibiting the volume expansion of the silicon-based nanoparticle and keeping the silicon-based nanoparticle from cracking so that direct contact between the silicon-based nanoparticle and an electrolyte is effectively avoided and a stable SEI is formed, and increasing the conductivity of the electrode.

Abstract: The invention provides a composite-coated nano-tin negative electrode material, which comprises a tin-based nanomaterial, a nano-copper layer coated on the surface of the tin-based nanomaterial and a conductive protective layer coated on the surface of the nano-copper layer. The nano-copper layer can inhibit the volume expansion of nano-tin, keep the nano-tin material from cracking, avoid direct contact between nano-tin and electrolyte to form stable SRI and increase the conductivity of the electrode. Coating a conductive layer on the surface of the nano-copper layer can effectively inhibit the oxidation of nano-copper, thus improving its electrochemical performance. The composite-coated nano-tin negative electrode material according to the invention is used as a negative electrode material of a lithium-ion battery, has excellent electrochemical performance, and has potential application prospects in portable mobile devices and electric vehicles.

Abstract: The invention discloses a sodium ion secondary battery anode material, and a preparing method and application thereof. The material is an amorphous carbon material, and is obtained by performing high-temperature pyrolyzing on coal as a main raw material, the material is prepared by using coal and a hard carbon precursor as raw materials, mechanical mixing after adding a solvent, drying, and crosslinking, curing and pyrolyzing under an inert gas atmosphere, or prepared by using coal as a raw material, and pyrolyzing under an inert gas atmosphere. The sodium ion secondary battery prepared from the amorphous carbon material as anode material has lower cost and higher work voltage, and is stable in cycle and good in safety.

Abstract: A scanning head of a scanning probe microscope includes a scanning head frame having a first end portion and a second end portion which are oppositely disposed, the first end portion and the second end portion defining a first receiving space and a second receiving space, respectively; a sample table located in the first receiving space; a scanning module located in the second receiving space; and a plurality of fixed electrodes fixed on the second end portion of the scanning head frame. Signal lines of the scanning head of the present invention do not fall off or tear off during operation. In addition, the scanning head allows a laser to be incident on its scanning probe, enabling the scanning probe to be coupled with the laser, so that the range of application is wide.

Abstract: The present disclosure relates to a magnon spin valve device, a magnon sensor, a magnon field effect transistor, a magnon tunnel junction and a magnon memory. A magnon spin valve device may comprise a first ferromagnetic insulation layer, a non-magnetic conductive layer disposed on the first ferromagnetic insulation layer, and a second ferromagnetic insulation layer disposed on the non-magnetic conductive layer.

Abstract: A magnetic phase-transformation material with the formula Nia?mMnb?nCom+nTic is provided, wherein a+b+c=100, 20<a?90, 5?b<50, 5?c?30, 0?m?a, 0?n?b, 0<m+n<a+b, and wherein, any one or combination of a, b, c, m, n represent an atomic percentage content. The magnetic phase-transformation material has properties of high toughness, high deformation rate, ferromagnetism and magnetic field-driven martensitic phase transformation, which can be widely used in various fields including high-strength and high-toughness actuators, temperature and/or magnetic sensitive elements, magnetic refrigeration devices and equipments, magnetic heat pump devices, magnetic memories, micro-electromechanical devices and systems, and thermomagnetic power generators or transducers.

Abstract: A scanning head of a scanning probe microscope includes a scanning head frame having a first end portion and a second end portion which are oppositely disposed, the first end portion and the second end portion defining a first receiving space and a second receiving space, respectively; a sample table located in the first receiving space; a scanning module located in the second receiving space; and a plurality of fixed electrodes fixed on the second end portion of the scanning head frame. Signal lines of the scanning head of the present invention do not fall off or tear off during operation. In addition, the scanning head allows a laser to be incident on its scanning probe, enabling the scanning probe to be coupled with the laser, so that the range of application is wide.

Abstract: The invention discloses a sodium ion secondary battery anode material, and a preparing method and application thereof. The material is an amorphous carbon material, and is obtained by performing high-temperature pyrolyzing on coal as a main raw material, the material is prepared by using coal and a hard carbon precursor as raw materials, mechanical mixing after adding a solvent, drying, and crosslinking, curing and pyrolyzing under an inert gas atmosphere, or prepared by using coal as a raw material, and pyrolyzing under an inert gas atmosphere. The sodium ion secondary battery prepared from the amorphous carbon material as anode material has lower cost and higher work voltage, and is stable in cycle and good in safety.

Abstract: The present invention relates to a spin logic device and an electronic equipment comprising the same. A spin logic device may include a Spin Hall effect (SHE) layer formed of a conductive material having Spin Hall effect and configured to receive a first logic input current and a second logic input current, the first logic input current and the second logic input current both being an in-plane current, a magnetic tunnel junction provided on the SHE layer comprising a free magnetic layer in contact with the SHE layer, a barrier layer disposed on the free magnetic layer, and a reference magnetic layer disposed on the barrier layer, and a current wiring in connection to the reference magnetic layer side of the magnetic tunnel junction, the current wiring being in cooperation with the SHE layer to apply a read current passing through the magnetic tunnel junction therebetween.

Abstract: A method for preparing a carbon nanotube (CNT) film is provided, comprising: providing a growth chamber of CNTs, which includes an inlet end, an outlet end, and a first-level growth cavity and a second-level growth cavity, and the first-level growth cavity and the second-level growth cavity are in fluid communication between the inlet end and the outlet end; making precursor materials, which are used for forming CNTs, react in at least the first-level growth cavity of the growth chamber of CNTs to generate CNTs; and making a carrier gas flow into the growth chamber through the inlet end, and pass through the first-level growth cavity and the second-level growth cavity in sequence, wherein, a radial dimension of the first-level growth cavity in a flowing direction of the carrier gas is smaller than that of the second-level growth cavity at a junction between the first-level growth cavity and the second-level growth cavity, and a bubble blowing process is conducted with the precursor materials under the drive o

Abstract: The present invention relates to a spin torque oscillator with high power output and its applications. A spin torque oscillator may include a first magnetic reference layer having a fixed magnetization, a magnetic precession layer having a magnetization capable of precessing about an initial direction, and a first barrier layer interposed between the first magnetic reference layer and the magnetic precession layer. The first barrier layer is formed of an insulating material capable of inducing a negative differential resistance for the spin torque oscillator.

Abstract: Provided is a high-strength, bonded La(Fe, Si)13-based magnetocaloric material, as well as a preparation method and use thereof. The magnetocaloric material comprises magnetocaloric alloy particles and an adhesive agent, wherein the particle size of the magnetocaloric alloy particles is less than or equal to 800 ?m and are bonded into a massive material by the adhesive agent; the magnetocaloric alloy particle has a NaZn13-type structure and is represented by a chemical formula of La1-xRx(Fe1-p-qCopMnq)13-ySiyA?, wherein R is one or more selected from elements cerium (Ce), praseodymium (Pr) and neodymium (Nd), A is one or more selected from elements C, H and B, x is in the range of 0?x?0.5, y is in the range of 0.8?y?2, p is in the range of 0?p?0.2, q is in the range of 0?q?0.2, ? is in the range of 0???3.0. Using a bonding and thermosetting method, and by means of adjusting the forming pressure, thermosetting temperature, and thermosetting atmosphere, etc.

Abstract: The present invention provides a spinel-structured cathode active material, comprising lithium-containing compound particles having a chemical formula of LiNi0.5?xMn1.5?y{A}uOz and a first metal oxide and a second metal oxide coated on the surface of the lithium-containing compound particles, wherein the first metal oxide is an oxide of a metal having a valence of four or higher than four, and partially covers on the surface of the lithium-containing compound particles as a coating material; the second metal oxide is an oxide of a metal having a valence of lower than four, and the other areas on the surface of the lithium-containing compound particles that are not covered by the first metal oxide are coated with the second metal oxide in a thickness of 1-20 nm or forms a shallow gradient solid solution with a depth of less than 200 nm. When the cathode active material is applied to a lithium ion secondary battery, it has better cycling stability than an uncoated lithium transition metal oxide.

Abstract: The present invention provides an electromagnetic conversion device, comprising: an intermediate layer and electrode layers located on both sides of the intermediate layer, wherein the intermediate layer is a magnetoelectric layer. The electromagnetic conversion device realizes the direct conversion of charge and magnetic flux, and thus can be used as a fourth fundamental circuit element, so as to provide a new degree of freedom for the design of electronic circuits and information function devices. In addition, the electromagnetic conversion device can be used as memory elements to form a nonvolatile magnetoelectric information memory.

Abstract: A semi-insulating silicon carbide monocrystal and a method of growing the same are disclosed. The semi-insulating silicon carbide monocrystal comprises intrinsic impurities, deep energy level dopants and intrinsic point defects. The intrinsic impurities are introduced unintentionally during manufacture of the silicon carbide monocrystal, and the deep energy level dopants and the intrinsic point defects are doped or introduced intentionally to compensate for the intrinsic impurities. The intrinsic impurities include shallow energy level donor impurities and shallow energy level acceptor impurities. A sum of a concentration of the deep energy level dopants and a concentration of the intrinsic point defects is greater than a difference between a concentration of the shallow energy level donor impurities and a concentration of the shallow energy level acceptor impurities, and the concentration of the intrinsic point defects is less than the concentration of the deep energy level dopants.

Abstract: The present invention provides an electromagnetic conversion device, comprising: an intermediate layer and electrode layers located on both sides of the intermediate layer, wherein the intermediate layer is a magnetoelectric layer. The electromagnetic conversion device realizes the direct conversion of charge and magnetic flux, and thus can be used as a fourth fundamental circuit element, so as to provide a new degree of freedom for the design of electronic circuits and information function devices. In addition, the electromagnetic conversion device can be used as memory elements to form a nonvolatile magnetoelectric information memory.

Abstract: A layered oxide material, a preparation method, an electrode, a secondary battery and use are disclosed. The layered oxide material has a general chemical formula NaxCuiFejMnkMyO2+?, in which M is an element that is doped for replacing the transition metals; x, y, i, j, k, and ? are respectively the molar ratios of respective elements, provided that x, y, i, j, k, and ? satisfy the relations: y+i++j+k=1, and x+my+2i+3j+4k=2(2+?), where 0.8?x?1, 0<i?0.3, 0<j?0.5, 0<k?0.5, 0.02???0.02, and m is the valence of M. The layered oxide material has a space group of R3m.

Abstract: The invention provides a first-order phase-transition La(Fe,Si)13-based magnetocaloric material showing small hysteresis loss, and preparation and use thereof. The material has a NaZn13-type structure, is composed of granules with a particle size in the range of 15˜200 ?m and not less than 15 ?m, and is represented by chemical formula La1-xRx(Fe1-p-qCopMnq)13-ySiyA?. The method for preparing the material comprises steps of preparing the material La1-xRx(Fe1-p-qCopMnq)13-ySiyA? by smelting and annealing; and then crushing the material into powder with a particle size in the range of 15˜200 ?m. Without changing the components, a La(Fe,Si)13-based magnetocaloric material showing small hysteresis loss and strong magnetocaloric effect can be obtained by adjusting the particle size within the range of 15˜200 ?m. Utilization of this type of materials in the practical magnetic refrigeration application is of great significance.

Abstract: A nano-patterned system comprises a vacuum chamber, a sample stage and a magnetic-field applying device, which comprises a power supply, a magnetic-field generation device and a pair of magnetic poles. The magnetic-field generation device comprises a coil and a magnetic conductive soft iron core. The power supply is connected to the coil, which is wound on the soft iron core to generate a magnetic field. The soft iron core is of a semi-closed frame structure and the magnetic poles are at the ends of the frame structure. The stage is inside a vacuum chamber. The poles are oppositely arranged inside the vacuum chamber relative to the stage. The coil and the soft iron core are outside the vacuum chamber. The soft iron core leads the magnetic field generated by the coil into the vacuum chamber. The magnetic poles locate a sample on the stage and apply a local magnetic field.