Abstract: A non-transitory computer-readable recording medium storing a search program for causing a computer to execute processing including: obtaining a first cost value of a first potential that corresponds to interaction between coarse-grained particles, a second cost value of a second potential that corresponds to an angle and a dihedral angle between the particles, and a third cost value of a third potential that corresponds to repulsion and attraction between the particles; and instructing an Ising apparatus to search for a structure of a coarse-grained model with which a total sum of the first cost value, the second cost value, and the third cost value calculated for an entirety of the coarse-grained model that includes a plurality of particles satisfies a predetermined condition.

Abstract: A photoexcitable material includes: a solid solution of MN (where M is at least one of gallium, aluminum and indium) and ZnO, wherein the photoexcitable material includes 30 to 70 mol % ZnO and has a band gap energy of 2.20 eV or less.

Abstract: A non-transitory computer-readable storage medium storing a search program that causes at least one computer to execute a process, the process includes searching for, as an answer of a combinatorial optimization problem, a first arrangement of a plurality of amino acids included in a medium molecule based on a value of a first cost arithmetic expression that does not make distinction between a L-form and a D-form of the plurality of amino acids; searching for, as the answer of the combinatorial optimization problem, a second arrangement of the plurality of amino acids based on a value of a second cost arithmetic expression that makes distinction between the L-form and the D-form of the plurality of amino acids by setting the first arrangement as an initial arrangement of searching; and outputting the second arrangement.

Abstract: A photochemical electrode includes: an electrically conductive layer; and a photoexcitation material layer provided over the electrically conductive layer and including a photoexcitation material, wherein the photoexcitation material layer is one of a first photoexcitation material layer in which a potential of the conduction band minimum decreases from a second surface opposite to a first surface on the side of the electrically conductive layer toward the first surface and a second photoexcitation material layer in which a potential of the valence band maximum decreases from the second surface toward the first surface.

Abstract: A photochemical electrode includes: an electrically-conductive layer; and a photo-excited material layer including a photo-excited material provided over the electrically-conductive layer, wherein in a surface of the photo-excited material layer, a lattice plane having highest atomic density in a crystal structure of the photo-excited material is oriented in a surface direction of the surface of the photo-excited material layer.

Abstract: A photochemical electrode includes: an electrically conductive layer; and a photoexcitation material layer provided over the electrically conductive layer and including a photoexcitation material, wherein the photoexcitation material layer is one of a first photoexcitation material layer in which a potential of the conduction band minimum decreases from a second surface opposite to a first surface on the side of the electrically conductive layer toward the first surface and a second photoexcitation material layer in which a potential of the valence band maximum decreases from the second surface toward the first surface.

Abstract: A photochemical electrode includes: an electrically-conductive layer; and a photo-excited material layer including a photo-excited material provided over the electrically-conductive layer, wherein in a surface of the photo-excited material layer, a lattice plane having highest atomic density in a crystal structure of the photo-excited material is oriented in a surface direction of the surface of the photo-excited material layer.

Abstract: A photoexcitable material includes: a solid solution of MN (where M is at least one of gallium, aluminum and indium) and ZnO, wherein the photoexcitable material includes 30 to 70 mol % ZnO and has a band gap energy of 2.20 eV or less.

Abstract: A photoexcitation material includes: a wurtzite type solid solution crystal containing t gallium, zinc, nitrogen and oxygen, wherein a peak (A) of an existence ratio of nitrogen or oxygen which is a first adjacent atom of the gallium or zinc and a peak (B) of an existence ratio of gallium or zinc which is a second adjacent atom of the gallium or zinc satisfy a relational expression of A>B in a relationship between a distance and the existence ratio of the adjacent atom of the gallium or zinc, the relationship being obtained from an extended X-ray absorption fine structure analysis.

Abstract: A carbon-dioxide-reducing film includes, an electrically conductive material, a carbon-dioxide adsorbent, and a proton-permeable high-molecular-weight material. The electrically conductive material includes at least one selected from a group consisting of carbon nanotubes, nanographenes, and carbon paper.

Abstract: A photoexcitation material includes: a wurtzite type solid solution crystal containing t gallium, zinc, nitrogen and oxygen, wherein a peak (A) of an existence ratio of nitrogen or oxygen which is a first adjacent atom of the gallium or zinc and a peak (B) of an existence ratio of gallium or zinc which is a second adjacent atom of the gallium or zinc satisfy a relational expression of A>B in a relationship between a distance and the existence ratio of the adjacent atom of the gallium or zinc, the relationship being obtained from an extended X-ray absorption fine structure analysis.

Abstract: A photoexcitation material includes: a wurtzite type solid solution crystal containing gallium, zinc, nitrogen and oxygen, wherein a peak (A) of an existence ratio of nitrogen or oxygen which is a first adjacent atom of the gallium or zinc and a peak (B) of an existence ratio of gallium or zinc which is a second adjacent atom of the gallium or zinc satisfy a relational expression of A>B in a relationship between a distance and the existence ratio of the adjacent atom of the gallium or zinc, the relationship being obtained from an extended X-ray absorption fine structure analysis.

Abstract: An adsorbent for adsorption heat pumps, containing: activated carbon; and organic molecules each containing at least one hydrophilic functional group, where the organic molecules are provided in pores of the activated carbon.

Abstract: A carbon dioxide-reduction device including an anode, a liquid-retaining film capable of retaining an electrolytic solution, a proton-permeable membrane, and a cathode, wherein the cathode includes a metal-containing member and an adsorbent, where the metal-containing member includes a metal capable of reducing carbon dioxide and has pores through which carbon dioxide can pass in a thickness direction of the metal-containing member, and the adsorbent is capable of adsorbing carbon dioxide, and is disposed at a surface of the metal-containing member at a side of which the proton-permeable membrane is present.

Abstract: A photoexcitation material includes: a wurtzite type solid solution crystal containing gallium, zinc, nitrogen and oxygen, wherein a peak (A) of an existence ratio of nitrogen or oxygen which is a first adjacent atom of the gallium or zinc and a peak (B) of an existence ratio of gallium or zinc which is a second adjacent atom of the gallium or zinc satisfy a relational expression of A>B in a relationship between a distance and the existence ratio of the adjacent atom of the gallium or zinc, the relationship being obtained from an extended X-ray absorption fine structure analysis.

Abstract: A photoexcitable material includes: a solid solution of MN (where M is at least one of gallium, aluminum and indium) and ZnO, wherein the photoexcitable material includes 30 to 70 mol % ZnO and has a band gap energy of 2.20 eV or less.

Abstract: A photochemical electrode includes: an electrically-conductive layer; and a photo-excited material layer including a photo-excited material provided over the electrically-conductive layer, wherein in a surface of the photo-excited material layer, a lattice plane having highest atomic density in a crystal structure of the photo-excited material is oriented in a surface direction of the surface of the photo-excited material layer.

Abstract: A photochemical electrode includes: an electrically conductive layer; and a photoexcitation material layer provided over the electrically conductive layer and including a photoexcitation material, wherein the photoexcitation material layer is one of a first photoexcitation material layer in which a potential of the conduction band minimum decreases from a second surface opposite to a first surface on the side of the electrically conductive layer toward the first surface and a second photoexcitation material layer in which a potential of the valence band maximum decreases from the second surface toward the first surface.

Abstract: An adsorption heat pump includes: an evaporator configured to evaporate a refrigerant; and an adsorbent heat exchanger provided with an adsorption member configured to adsorb vapor evaporated by the evaporator, and a heat transfer tube in which a heating medium flows. Here, the adsorbent heat exchanger includes a pressing mechanism configured to press and compress the adsorption member depending on a temperature of the heating medium flowing inside the heat transfer tube.

Abstract: An adsorption heat pump includes: an evaporator configured to generate coolant vapor; a first adsorber and a second adsorber each containing an adsorbent to adsorb the coolant vapor generated in the evaporator; a condenser configured to condense the coolant vapor generated in any of the first adsorber and the second adsorber; and a control unit. The control unit feeds the condenser with cooling water for condensation of the coolant vapor and feeds the condenser with warm water for evaporation of the coolant at predetermined timing.