Toyota Jidosha Kabushiki Kaisha

Hitachi, Ltd.

Centre National De La Recherche Scientifique

Tohoku University

National Institute for Materials Science

University of Sheffield

Leibniz Institute for Solid State and Materials Research Dresden

The University of Tokyo

Leibniz-institut Für Festkörper-und Werkstoffforschung Dresden E.v.

Tetsuya Shoji

Noritsugu Sakuma

Masao Yano

Daisuke Ichigozaki

Hidefumi Kishimoto

Masaaki Ito

Akihito Kinoshita

Noritaka Miyamoto

Akira Manabe

Kazuaki Haga

Akira Kato

Shinya Omura

Osamu Yamashita

Motoki Hiraoka

Akira Kano

Daisuke Sakuma

Takeshi Yamamoto

Akinori Asahara

Yukiyoshi Ueno

Katsunori Danno

Tetsuo Nagami

Hidetoshi Somekawa

Toshiji Mukai

Eisuke Hoshina

Shoichi Harakawa

Takuya Kanazawa

Mikiya Nozaki

Nora Dempsey

Shinya Nagashima

Oliver Gutfleisch

Reimi Sakaguchi

Kosuke Yonekawa

Satoshi Sugimoto

Hidekazu Morita

Kanta Ono

Yasuhiro Toyama

Thomas Schrefl

Masashi Matsuura

Yuya Ikeda

Hanae Shiratori

Dominique Givord

Yusuke Murai

Hirotaka Sakamoto

Thomas George Woodcock

Munehisa Matsumoto

Hisazumi Akai

Gino Hrkac

Martin Hoffmann

Thomas Georg Woodcock

Olivier Gutfleisch

Hrkac Gino

The present disclosure provides a rare earth magnet having a main phase and a grain boundary phase and a manufacturing method therefor. In the rare earth magnet of the present disclosure, the overall composition is represented by a formula (RLaCe)(FeCo)BM. (Ris a predetermined rare earth element, Mis a predetermined element, and the followings are satisfied, 0.05≤x≤0.25, 0.5≤y/(x+y)≤0.50, 13.5≤u≤20.0, 0≤z≤0.100, 5.0≤w≤10.0, and 0≤v≤2.00). The main phase has an RFeB-type crystal structure, and the average grain size and the volume fraction of the main phase are respectively 1.0 μm to 20.0 μm and 80.0% to 90.0%. The main phase and the grain boundary phase satisfy, (the existence proportion of La in the grain boundary phase)/(the existence proportion of La in the main phase)>1.30.

Rare earth magnet and manufacturing method therefor

An information processing device includes: an acquiring section acquiring small angle scattering data obtained by measuring a material, and supplemental information that is two-dimensional data of the material; and a predicting section that, by using the small angle scattering data and the supplemental information as input, predicts a three-dimensional structure of the material from output of a prediction model that is learned in advance and that is for predicting the three-dimensional structure of the material.

Information processing device, information processing method, and computer-readable storage medium

The present disclosure relates to a semiconductor device including an n-type gallium oxide semiconductor layer that has a center region and a peripheral region having a lower donor density than the center region, an electrode layer that is laminated on the n-type gallium oxide semiconductor layer, and forms Schottky junction with the n-type gallium oxide semiconductor layer in the center region as viewed from a lamination direction, and a first p-type nickel oxide semiconductor layer that is laminated on the n-type gallium oxide semiconductor layer such that the first p-type nickel oxide semiconductor layer is partially positioned between the n-type gallium oxide semiconductor layer and the electrode layer, and has an outer peripheral end portion on a peripheral region side in the peripheral region as viewed from the lamination direction.

Semiconductor device and method of manufacturing semiconductor device

A surface performance evaluation device including memory and a processor coupled to the memory. The processor being configured to: acquire a captured image, which is a moving image of a test object on which a liquid is dispersed, and which is captured by a camera; quantify, based on the captured image that is acquired by the processor, a degree of diffusion of the liquid that is dispersed on the test object and diffuses; and evaluate a surface performance of the test object based on an index quantified by the processor.

Surface performance evaluation device, surface performance evaluation method, and surface performance evaluation program

An Sm—Fe—N-based magnetic material according to the present disclosure includes a main phase having a predetermined crystal structure. The main phase has a composition represented by (SmLaCeR)(FeCoNiM)N(where, Ris predetermined rare earth elements and the like, M is predetermined elements and the like, and 0.04≤x+y≤0.50, 0≤z≤0.10, 0≤p+q≤0.10, 0≤s≤0.10, and 2.9≤h≤3.1 are satisfied). A crystal volume of the main phase is 0.833 nmto 0.840 nm. A manufacturing method of the Sm—Fe—N-based magnetic material according to the present disclosure includes nitriding a magnetic material precursor including a crystal phase having a composition represented by (SmLaCeR)(FeCoNiM).

Sm—Fe—N-based magnetic material and manufacturing method thereof

An information processing device receives material data, relating to a material, that have been sent from a user terminal. The information processing device performs analysis in accordance with one or more analysis techniques with respect to the material data to thereby acquire analysis result data representing analysis results. The information processing device sends the analysis result data to the user terminal.

Information processing device, information processing method, and storage medium storing information processing program

A magnetic material according to the present disclosure includes a main phase having an RTB type crystal structure (R is a rare earth element and T is a transition metal element). The main phase has a composition represented by ((Nd, Pr)LaR))((Fe(Co, Ni)M))B (where, Ris a rare earth element other than Nd, Pr, and La, M is an element other than Fe, Co, Ni, and a rare earth element, and the like, and 0.25≤x≤1.00, 0≤y≤0.10, 0.15≤z≤0.40, and 0≤w≤0.1 are satisfied). A manufacturing method of the magnetic material according to the present disclosure includes melting a raw material containing the elements constituting the main phase and solidifying the melted raw material.

Magnetic material and manufacturing method thereof

Automated analysis of particle beam measurement results is facilitated by a device that calculates a spatial parameter distribution representing spatial structure of a sample based on a scattering pattern corresponding to projection of the spatial structure of the sample to wavenumber space, the projection being obtained by detecting scattering of a particle beam which enters the sample and intersects with the sample. The device includes a section to provide estimates for signals on the scattering pattern in association with at which point on a spatial parameter distribution of the sample interactions occur during scattering; a section to aggregate estimation results of the interaction estimation section to calculate a spatial parameter distribution of a sample matching an aggregated result; and a section to perform alternately and repeatedly estimation in the interaction estimation section and calculation in the parameter distribution calculation section in order to improve estimation accuracy in spatial parameter distributions.

Particle beam experiment data analysis device

An Sm—Fe—N-based magnetic material according to the present disclosure includes a main phase having a predetermined crystal structure. The main phase has a composition represented by a molar ratio formula (SmLaCeR)(FeCoNiM)N(where, Ris a predetermined rare earth element, M is a predetermined element, and 0≤x+y<0.04, 0≤z≤0.10, 0<p+q≤0.10, 0≤s≤0.10, and 2.9≤h≤3.1 are satisfied). A lattice volume of the main phase is 0.830 nmto 0.840 nm, and a density of the main phase is 7.70 g/cmto 8.00 g/cm.

An information processing device acquires an image captured by a transmission electron microscope. The information processing device, for each partial region in the image, executes a two-dimensional Fourier transform on an image of the partial region. The information processing device, based on results obtained by executing the two-dimensional Fourier transform on each of the partial regions, performs clustering of frequency strengths obtained from the results of the two-dimensional Fourier transform. The information processing device determines regions of different crystallinity in the image, based on results of the clustering.

Information processing device, information processing method, and recording medium recorded with information processing program preliminary class

An information processing device acquires an image captured by a transmission electron microscope. The information processing device, for each partial region in the image, calculates a variation in pixel values of pixels included in the partial region. The information processing device, for each partial region in the image, determines a degree of crystallinity of the partial region based on the calculated variation in the pixel values of the partial region.

Information processing device, information processing method, and recording medium recorded with information processing program

A rare earth magnet in which the amount used of a heavy rare earth element is more reduced while maintaining enhancement of the coercive force, and a producing method thereof are provided. The rare earth magnet of the present disclosure has a main phaseand a grain boundary phase. The main phasehas a composition represented by RTB. The main phasehas a core partand a shell part. Denoting the abundances of Rand Ce (Ris heavy rare earth element) occupying 4f site of the shell partas Rand Ce, respectively, and denoting the abundances of Rand Ce occupying 4g site of the shell partas Rand Ce, respectively, the rare earth magnet satisfies 0.44≤R/(R+R)≤0.70 and 0.04≤(Ce+Ce)/(R+R). The rare earth magnet-producing method of the present disclosure uses a modifier containing at least Rand Ce.

Rare earth magnet and producing method thereof

The present disclosure provides an information processing system and an information processing method that, in a material analyzing service that is provided via a network, can appropriately manage data of a high degree of confidentiality. The system and method involve a user terminal that provides a data ID to a combination of first data that relates to a material, and second data that is data obtained by measuring the material and is data whose degree of confidentiality is lower than the first data. The user terminal stores the first data and data ID and transmits the second data and data ID to an information processing device. The information processing device carries out material analysis corresponding to the second data and transmits analysis results data to the user terminal. Accordingly, data having a high degree of confidentiality can be managed appropriately in a material analyzing service over a network.

Information processing system and information processing method

A rare earth magnet includes a main phase and a particle boundary phase and in which an overall composition is represented by a formula, (RR)FeCoBM.(RM).(RM), where Ris a light rare earth element, Rand Rare a medium rare earth element, Ris a heavy rare earth element, M, M, Mare a predetermined metal element. The main phase includes a core portion, a first shell portion, and a second shell portion. The content proportion of medium rare earth element is higher in the first shell portion than in the core portion, the content proportion of medium rare earth element is lower in the second shell portion than in the first shell portion. The second shell portion contains heavy rare earth elements.

An information processing device acquires a material formation image representing a formation of a material, the material formation image being obtained by imaging the material. The information processing device generates a Fourier transform result representing a power spectrum by applying a Fourier transform to the acquired material formation image. The information processing device, on the basis of the Fourier transform result of the material formation image, employs an expectation-maximization algorithm to generate a size distribution of structures forming the material.

Growing community of inventors

Toyota, Japan

Tetsuya Shoji