Abstract: A process for producing a zinc oxide acicular structure by growing an acicular zinc oxide on a substrate, the process comprising the steps of holding the substrate in an electrolytic solution in which at least zinc ions are present, and forming zinc oxide on the substrate by electrodeposition. The electrolytic solution contains at least one cosolute. Also disclosed is a photoelectric conversion device comprising a charge transport layer having the zinc oxide acicular structure.

Abstract: To provide a magnetic recording medium with good record and reproduction characteristics. In the magnetic recording medium having an anodic oxidized alumina nanohole film filled with a magnetic substance, the anodic oxidized alumina nanohole film 13 is formed on a substrate 16 with at least one base electrode layer 15 sandwiched therebetween, the base electrode layer 15 is a film that has fcc structure and whose (111) face is oriented in the direction perpendicularly to a substrate, and the fillers 14 in the alumina nanoholes 10 have hcp structure and include hard magnetic substance whose principal component is Co and whose c-axis is perpendicular to the substrate.

Abstract: Disclosed herein is a process for producing a narrow titanium-containing wire, comprising steps of: (i) providing a structure comprising a substrate having a titanium-containing surface and a porous layer containing narrow pores extending towards the surface; and (ii) forming narrow titanium-containing wires in the respective narrow pores by heat treatment of the structure obtained in the step (i).

Abstract: To provide a magnetic recording medium with good record and reproduction characteristics. In the magnetic recording medium having an anodic oxidized alumina nanohole film filled with a magnetic substance, the anodic oxidized alumina nanohole film 13 is formed on a substrate 16 with at least one base electrode layer 15 sandwiched therebetween, the base electrode layer 15 is a film that has fcc structure and whose (111) face is oriented in the direction perpendicularly to a substrate, and the fillers 14 in the alumina nanoholes 10 have hcp structure and include hard magnetic substance whose principal component is Co and whose c-axis is perpendicular to the substrate.

Abstract: The invention provides a nanostructure including an anodized film including nanoholes. The anodized film is formed on a substrate having a surface including at least one material selected from the group consisting of semiconductors, noble metals, Mn, Fe, Co, Ni, Cu and carbon. The nanoholes are cut completely through the anodized film from the surface of the anodized film to the surface of the substrate. The nanoholes have a first diameter at the surface of the anodized film and a second diameter at the surface of the substrate. The nanoholes are characterized in that either a constriction exists at a location between the surface of the anodized film and the surface of the substrate, or the second diameter is greater than the first diameter.

Abstract: A liquid application material that is capable of forming an oxidized insulator as a result of baking is applied onto a support substrate to produce an object of processing. Then, a mold having projection structures with intervals of nanometers is pressed against the applied liquid material to produce corresponding recess structures. Thereafter, the applied liquid material is baked in oxygen-containing gas or oxidized in ozone or oxygen plasma to make it electrically highly resistive. Subsequently, a layer to be anodized is formed on said oxidized insulator. Then, the layer to be anodized is actually anodized in an acidic solution to form fine holes that are aligned with the respective recess structures in the anodized layer. Accordingly, fine recess structures can be manufactured with ease.

Abstract: A magnetic device has a layer containing fine pores and having wirings on both faces of the layer formed on a substrate, wherein at least a part of the pores are filled with a layered column formed by stacking magnetic layers and nonmagnetic layers alternately, and at least a part of the pores filled with a conductive column as writing wires for writing into the magnetic layers in the adjacent pores. The fine pores may be nano-holes of alumina formed by anodic oxidation. A part of the pores may serve to intercept a magnetic field. The magnetic layer may contain Co, and the nonmagnetic layer and/or the writing wire may contain Cu. The pores may be arranged in a honeycomb arrangement or a rectangular array. The ratio of the sectional area S (cm2) of the pore and the length (cm) of the pore satisfy the relation: 105<L/S<108.

Abstract: An electron-beam excitation laser has a laser structure with a light emitter and reflectors on one hand and an electron source on the other hand, wherein at least part of the light emitter or reflectors has a multidimensional photonic crystal structure. An electron-beam excitation laser includes an electron source emitting electrons and a laser structure consisting of a light emitter and reflectors, accelerates electrons from the electron source, and irradiates the electrons to the laser structure to emit a laser beam from the laser structure, wherein the reflectors and/or the light emitter in the laser structure are formed with multidimensional photonic crystals in which dielectrics with different dielectric constants are arrayed in a plurality of directions at periodic intervals, and one of the dielectrics with different dielectric constants may be formed with a light-emitting material.

Abstract: To provide a plate of high resolution and large area. The channel plate configured by including a substrate, a first electrode placed on the top face of the substrate, and a second electrode placed on the bottom face of the substrate, wherein the substrate is a porous element having a plurality of pores extending therethrough, and the porous element is formed by a compound including aluminum, and the porous element has an electron multiplier on a wall surface of the pore.

Abstract: A CoPt- or FePt-alloy magnetic material in which a temperature to transform into an L10-ordered alloy is reduced and magnetic anisotropy energy is controlled, and a method for manufacturing the magnetic material are provided. In a CoPt- or FePt-alloy magnetic material obtained according to plating, at least one element of Cu, Ni and B is contained with an atomic percent equal to or more than 1% and equal to or less than 40%. A method for manufacturing a magnetic material includes a step of depositing a magnetic material in which at least one element of Cu, Ni and B is contained in a CoPt- or FePt-alloy magnetic material with an atomic percent equal to or more than 1% and equal to or less than 40%, from a plating solution, and a step of transforming the deposited magnetic material into an L10-ordered alloy according to annealing at a temperature equal to or lower than 500° C.

Abstract: A magnetic recording medium is provided while including a recording layer in which magnetic materials are in the shape of a circular cylinder and uniformity and size reduction are achieved simultaneously. The magnetic recording medium includes a recording layer and an electrode layer disposed on a substrate, wherein the recording layer and the electrode layer are disposed in the same plane. The above-described electrode layer is disposed adjacently to the end portion of the plane in which the recording layer on the substrate is disposed. A matrix surrounding magnetic material portions of the above-described recording layer contains alumina as a constituent provided by anodization of aluminum. Alternatively, the matrix surrounding the magnetic material portions of the above-described recording layer contains at least one of Si and Ge or an oxide thereof as a constituent.

Abstract: An electrodeposition display device includes a first substrate, a second substrate facing the first substrate, walls for sealing off the substrates, plating liquid sealed in between the substrates so as to form a cell, a first electrode disposed on at least a part of the first substrate, and a second electrode disposed within the cell. Display is performed by applying signals corresponding to image information to the first electrode and the second electrode, so as to change the state thereof to a state wherein electrodeposition of metal has occurred on at least part of the first electrode, and a state wherein at least a part of metal on the first electrode has become disassociated.

Abstract: A magnetic recording medium includes a cylindrical substrate and pores embedded with a magnetic substance that are provided on the outer circumferential surface of the cylindrical substrate and aligned in tracks that are in parallel with one another along the center axis of the cylindrical substrate. The tracks have as their center the center axis of the cylindrical substrate, and form circular orbits defined by planes perpendicular to the center axis. Alternatively, the tracks are in a spiral orbit or in spiral orbits whose center is the center axis of the cylindrical substrate. The pores at intersections of vertical and horizontal rows are aligned in quadrilaterals such as squares, rectangles or rhombi.

Abstract: A method of producing a structure having narrow pores includes a first step of bringing pore-guiding members into contact with upper and lower surfaces of a member comprising aluminum as a principal ingredient and a second step of anodizing the member comprising aluminum as the principal ingredient to form narrow pores. The pore-guiding members contain the same material as a principal ingredient. The second step includes preferably a step of transforming the member comprising aluminum as the principal ingredient into a porous body comprising alumina having narrow pores oriented substantially parallel to the interfaces between the pore-guiding members and the member comprising aluminum as the principal ingredient.

Abstract: The present invention provides a nano-structure which can be applied to various high-function devices. The nano-structure includes an anodically oxidized layer having a plurality of kinds of pores.

Abstract: A semiconductor device array comprising highly densely arranged nano-size semiconductor devices is prepared by a simple method. The array comprises a porous body having cylinder-shaped pores formed by removing cylinder-shaped regions from a structure that includes a matrix member formed so as to contain silicon or germanium and the cylinder-shaped regions containing aluminum and dispersed in the matrix member, semiconductor regions formed in the pores, each having at least a p-n or p-i-n junction, and a pair or electrodes, arranged respectively on the top and at the bottom of the semiconductor regions. The semiconductor regions and the pair of electrodes form a plurality of semiconductor devices on a substrate.

Abstract: A fluid control device has very fine pores with an average diameter not greater than 10 nm and provides a large flux. The fluid control device comprises an anodized alumina film having fine pores and a silicon based micro-porous film having very fine pores and made from an AlSi mixed film and the fine pores and the very fine pores are at least partly linked with each other. The fluid control device is prepared from a film including at least an aluminum layer and an AlSi mixed film by forming an anodized alumina film having fine pores by way of an anodization process for the aluminum layer part and also forming a silicon based micro-porous film having very fine pores containing silicon as principal ingredient by way of an anodization process or etching process for the AlSi mixed film. The fluid control device can be used as filter or ultrafilter film that allows fluid and gas to pass through it.

Abstract: To provide a method for manufacturing a magnetic recording medium which creates anodically oxidized aluminum nanoholes so as to have a rectangular or elliptical sectional shape and gives shape anisotropy to a magnetic material filled in the nanoholes to thereby always fix a relative positional relation between magnetizations of the magnetic material and a magnetic head that detects the magnetizations. The method for manufacturing a magnetic recording medium includes: preparing a member having regularly arranged plural pits; subjecting the member to anodic oxidation treatment so that formation of holes is started with the pits as starting points, and a porous region, which has a first portion where the holes are formed without branching and a second portion where branched holes are formed, is formed; filling a magnetic material in the formed holes; and removing the non-branching portions of the holes.

Abstract: A method of manufacturing an electronic device in which a substrate with a pair of electrodes is provided and a carbon nanotube is formed or arranged to electrically connect the electrodes.

Abstract: A method of manufacturing a structure with pores which are formed by anodic oxidation and whose layout, pitch, position, direction, shape and the like can be controlled. The method includes the steps of: disposing a lamination film on a substrate, the lamination film being made of insulating layers and a layer to be anodically oxidized and containing aluminum as a main composition; and performing anodic oxidation starting from an end surface of the lamination film to form a plurality of pores having an axis substantially parallel to a surface of the substrate, wherein the layer to be anodically oxidized is sandwiched between the insulating layers, and a projected pattern substantially parallel to the axis of the pore is formed on at least one of the insulating layers at positions between the pores.