An apparatus is provided to improve spin injection efficiency from a magnet to a spin orbit coupling material. The apparatus comprises: a first magnet; a second magnet adjacent to the first magnet; a first structure comprising a tunneling barrier; a third magnet adjacent to the first structure; a stack of layers, a portion of which is adjacent to the third magnet, wherein the stack of layers comprises spin-orbit material; and a second structure comprising magnetoelectric material, wherein the second structure is adjacent to the first magnet.

A magnetoelectric multiferroic nanocomposite. The nanocomposite comprises a ferroelectric perovskite oxide and a rare-earth substituted mixed ternary transition metal ferrite of the formula A.sub.1−xB.sub.xR.sub.yFe.sub.2−yO.sub.4. The nanocomposite has a high dielectric constant, low dielectric loss, both stable over a wide frequency range. These properties may make the nanocomposite desirable for applications in microelectronic devices, sensors and antennas.

A method may include wet ball milling a plurality of iron nitride nanoparticles in the presence of a surface active agent to modify a surface of the plurality of iron nitride nanoparticles and form a plurality of surface-modified iron nitride nanoparticles for a variety of biomedical applications and soft magnetic materials related applications.

Ferromagnetic materials are disclosed that comprise at least one Dirac half metal material. In addition, Dirac half metal materials are disclosed, wherein the material comprises a plurality of massless Dirac electrons. In addition, ferromagnetic materials are disclosed that includes at least one Dirac half metal material, wherein the material comprises a plurality of massless Dirac electrons, wherein the material exhibits 100% spin polarization, and wherein the plurality of electrons exhibit ultrahigh mobility. Spintronic devices and heterostructures are also disclosed that include a Dirac half metal material.

Ferromagnetic materials are disclosed that comprise at least one Dirac half metal material. In addition, Dirac half metal materials are disclosed, wherein the material comprises a plurality of massless Dirac electrons. In addition, ferromagnetic materials are disclosed that includes at least one Dirac half metal material, wherein the material comprises a plurality of massless Dirac electrons, wherein the material exhibits 100% spin polarization, and wherein the plurality of electrons exhibit ultrahigh mobility. Spintronic devices and heterostructures are also disclosed that include a Dirac half metal material.

Magnetosomes for use in a sequential laser radiation medical treatment, wherein the magnetosomes are administered to a body part of an individual. In a first step, the magnetosomes are irradiated by a laser radiation, and in a second step, the magnetosomes are irradiated by a laser radiation of lower power than in the first step or no laser irradiation of the magnetosomes is performed. The sequence of the first step and second step is repeated at least once.

Magnetosomes for use in a sequential laser radiation medical treatment, wherein the magnetosomes are administered to a body part of an individual. In a first step, the magnetosomes are irradiated by a laser radiation, and in a second step, the magnetosomes are irradiated by a laser radiation of lower power than in the first step or no laser irradiation of the magnetosomes is performed. The sequence of the first step and second step is repeated at least once.

An apparatus is provided which comprises: a magnetic junction having a magnet with a first magnetization (e.g., perpendicular magnetization); a first structure adjacent to the magnetic junction, wherein the first structure comprises metal (e.g., Hf, Ta, W, Ir, Pt, Bi, Cu, Mo, Gf, Ge, Ga, or Au); an interconnect adjacent to the first structure; and a second structure adjacent to the interconnect such that the first structure and the second structure are on opposite surfaces of the interconnect, wherein the second structure comprises a magnet with a second magnetization (e.g., in-plane magnetization) substantially different from the first magnetization.

A method for forming self-assembled inorganic nanostructures. The method includes forming a mixture by adding a plurality of inorganic nanostructures to an aqueous solution under atmospheric pressure. Forming the mixture includes adding a first plurality of inorganic nanostructures to the aqueous solution and adding a second plurality of inorganic nanostructures to the aqueous solution. The first plurality of inorganic nanostructures has a first plurality of superficial sites with an opposite-signed surface zeta potential respective to a surface zeta potential of a second plurality of superficial sites of the second plurality of inorganic nanostructures.

The present disclosure belongs to the technical field of analytical chemistry, in particular to synthesis and application of a nanomaterial for removal of patulin (Pat). The present disclosure adopts 2-Oxin as a substitute template, AM as a functional monomer, and synthetic Fe.sub.3O4@SiO.sub.2@CS-GO magnetic nanoparticles as a carrier, for preparing a magnetic MIP specific for Pat adsorption by surface imprinting. The addition of Fe.sub.3O.sub.4 makes the finally prepared molecular imprinted adsorbent material magnetic, thereby facilitating separation of a material from a matrix, eliminating complicated operation steps such as filtration and centrifugation, and facilitating recovery of materials.