Fujitsu Corporation

Nara Institute of Science and Technology

Hideyuki Jippo

Shintaro Sato

Manabu Ohtomo

Naoki Harada

Hiroko Yamada

Mari Ohfuchi

Hironobu Hayashi

Takeshi Shioga

An apparatus includes a memory and a processor coupled to the memory. The processor is configured to: determine a degree of similarity between a target material and a first material based on a structure and characteristic of each of the target material and the first material; predict a characteristic value of the target material based on a first value representing the characteristic of the first material; and output the predicted characteristic value.

Material characteristic prediction apparatus and material characteristic prediction method

An information processing device includes; a memory; and a processor coupled to the memory and configured to: optimize performance of a mixture of a plurality of substances; in an energy function formula for weighting each of a plurality of physical properties in the mixture and performing a calculation to optimize the performance of the mixture, collectively incorporate a plurality of the physical properties that has a relationship correlated with one characteristic among the plurality of the physical properties into the energy function formula as the one characteristic; and simplify the energy function formula.

Information processing device, computer-readable recording medium recording mixture performance optimization program, and mixture performance optimization method for simplifying energy function formula by incorporating correlation formula into energy function formula

A nanoribbon includes a structure represented by a structural formula (8), where g, p, q, r, s, t, and u are mutually independent and are integers greater than or equal to 1, R, R, R, R, R, R, R, and Rare mutually independent and are one of a hydrogen atom, a substituent, an alkyl moiety, a phenyl moiety, and a halogen atom, and A denotes a hydrogen atom or an aryl group.

Compound, nanoribbon, and semiconductor device

An information processing method is performed by a computer for evaluating flammability of a mixed refrigerant material containing a plurality of components. The method includes: calculating, for each of the plurality of components, a second value obtained by multiplying a mixture ratio thereof in the mixed refrigerant material by a first value obtained based on numbers of hydrogen atoms, halogen atoms, and double bonds included in a molecular structure thereof; calculating a total sum of the second value calculated for each of the plurality of components; and classifying the mixed refrigerant material into a predetermined flammability class based on the total sum.

Information processing apparatus, information processing method, and information processing program

A nanoribbon includes a structure represented by a structural formula (8), where g, p, q, r, s, t, and u are mutually independent and are integers greater than or equal to 1, R, R, R, R, R, R, R, and Rare mutually independent and are one of a hydrogen atom, a substituent, an alkyl moiety, a phenyl moiety, and a halogen atom, and A denotes a hydrogen atom or as aryl group. 

A Schottky barrier diode includes a graphene nanoribbon, a first electrode connected to one end of the graphene nanoribbon, and a second electrode connected to the other end of the graphene nanoribbon. The graphene nanoribbon includes a first part and a second part which are connected in the length direction of the graphene nanoribbon and which differ in electronic state. For example, edges of the first part in a length direction of the graphene nanoribbon are terminated with a first modifying group and edges of the second part in the length direction of the graphene nanoribbon are terminated with a second modifying group.

Schottky barrier diode and electronic apparatus

An electronic device, includes: a graphene nanoribbon having a first graphene and a second graphene; a first electrode coupled to the first graphene; and a second electrode coupled to the second graphene, wherein the first graphene is terminated on an edge by a first terminal group and has a first polarity and the second graphene is terminated on an edge by a second terminal group different to the first terminal group and has a second polarity different from the first polarity.

Graphene nanoribbon electronic device and method of manufacturing thereof

A gas sensor includes: a channel layer in which a F-terminated GNR, a H-terminated GNR, and a F-terminated GNR whose edge portions are terminated with different modifying groups are bonded to each other; a source electrode formed on one end of the channel layer; and a drain electrode formed on the other end of the channel layer, in which a surface of the H-terminated GNR is exposed, and this exposed portion is a gas sensing part.

Gas sensor and method of manufacturing the same

A transistor includes a channel layer in which a plurality of graphene whose edge portions are terminated with modifying groups different from each other are bonded to each other; a gate electrode formed on the channel layer via a gate insulating film; and a source electrode and a drain electrode formed on the channel layer.

Growing community of inventors

Atsugi, Japan

Hideyuki Jippo