Abstract: A capacitor includes a first electrode, a second electrode, and a dielectric. The dielectric is disposed between the first electrode and the second electrode. The dielectric includes a halide and satisfies a requirement 1/2<r<2/3. In this requirement, r is a ratio of the number of cations to the number of anions in the halide included in the dielectric.

Abstract: A capacitor includes a first electrode, a second electrode, and a dielectric. The dielectric is disposed between the first electrode and the second electrode. The dielectric includes a compound having an inverted perovskite structure. The inverted perovskite structure of this compound has a portion in which a cation is present at each vertex of corner-sharing octahedra and an anion is present at a center of each of the corner-sharing octahedra.

Abstract: An information processing method is an information processing method executed by a computer, and includes acquiring first information concerning polyhedra including two or more kinds of polyhedra having different shapes; generating second information concerning a three-dimensional structure in which the polyhedra are arranged on the basis of the first information; and outputting the second information thus generated. The three-dimensional structure is a structure in which the polyhedra are arranged without any gaps.

Abstract: An information processing method is an information processing method executed by a computer, and includes acquiring first information concerning polyhedra; generating second information concerning a three-dimensional structure in which the polyhedra are arranged on the basis of the first information; and outputting the second information thus generated. The three-dimensional structure is a structure in which the polyhedra are arranged without any gaps and becomes a crystal structure in a case where atoms are arranged.

Abstract: An information processing method is an information processing method performed by a computer, and includes acquiring first information concerning polyhedra; acquiring second information concerning atoms arranged in the polyhedra; generating third information indicative of a crystal structure that can be taken in a case where the atoms are arranged in a three-dimensional structure in which the polyhedra are arranged on the basis of the first information and the second information; and outputting the generated third information.

Abstract: An information processing system includes: an information processing apparatus that transmits information pertaining to a relational expression representing energy of a structure of an aggregate of atoms; and an optimization apparatus, which is an example of a computing apparatus that performs computation using the relational expression. The relational expression is acquired on the basis of atomic information and position information, and includes two or more variables that indicate the states of atoms located at two or more positions in the aggregate. The information processing apparatus includes: a first communicator that transmits the information pertaining to the relational expression to the optimization apparatus, and receives, from the optimization apparatus, values of the two or more variables derived by performing the above computation; and an outputter that outputs structure information corresponding to the values of the two or more variables.

Abstract: A solar cell includes a first electrode, a second electrode, a photoelectric conversion layer interposed between the first and second electrodes, and a hole transport layer interposed between the first electrode and the photoelectric conversion layer. At least one electrode selected from the group consisting of the first and second electrodes is transparent to light. The photoelectric conversion layer includes a perovskite compound constituted by a monovalent cation, a divalent cation, and a halogen anion. The monovalent cation includes at least one selected from the group consisting of a formamidinium cation and a methylammonium cation. The divalent cation includes a Sn cation. The halogen anion includes an iodide ion. The hole transport layer includes 4,4?,4?-tris[9,9-dimethyl-2-fluorenyl(4-methoxy-phenyl)amino]triphenylamine.

Abstract: The solid electrolyte material of the present disclosure comprises lithium and a plurality of anion elements. The plurality of anion elements comprises a pnictogen element, a chalcogen element, and a halogen element. The pnictogen element includes at least one selected from the group consisting of N, P, As, Sb, and Bi, the chalcogen element is at least one selected from the group consisting of S, Se, and Te, and the halogen element is at least one selected from the group consisting of Br and I. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer provided between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer comprises the solid electrolyte material of the present disclosure.

Abstract: A solid electrolyte material comprises a cation A that is an ion conductive species, a cation B that is not an ion conductive species, an anion X, and an anion Z. The cation A is at least one element selected from the group consisting of alkali and alkaline earth metal elements. The cation B is at least one element selected from the group consisting of alkali and alkaline earth metal elements other than the cation A, transition metal elements, and the Groups 13 to 16 elements. The anions X and Z are each independently at least one element selected from the group consisting of the Groups 14 to 17 elements. The anions X and Z constitute an anion framework having a MgCu2-type structure. The molar ratio of the anion X to the anion Z is greater than or equal to 1 and less than or equal to 4.

Abstract: A solid electrolyte material of the present disclosure includes an ion-conducting species and an anionic framework. The ion-conducting species is at least one element selected from the group consisting of alkali metal elements and alkaline earth metal elements. The anionic framework has a tetrahedral composite structure with no dihedral planes. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer includes the solid electrolyte material of the present disclosure.

Abstract: The solid electrolyte material of the present disclosure consists of Li, M1, M2, and I. Here, M1 is at least one selected from the group consisting of Zr and Zn, and M2 is at least one selected from the group consisting of Al, Ga, and In. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer comprises the solid electrolyte material of the present disclosure.

Abstract: The solid electrolyte material of the present disclosure comprises a crystal phase comprising Li, Mg, and X. Here, X is at least one selected from the group consisting of F, Cl, Br, and I, and the crystal phase has a crystal structure belonging to the space group Fm-3m. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer comprises the solid electrolyte material of the present disclosure.

Abstract: A solar cell according to the present disclosure includes a first electrode, a second electrode, a photoelectric conversion layer disposed between the first electrode and the second electrode, and an electron transport layer disposed between the first electrode and the photoelectric conversion layer. At least one electrode selected from the group consisting of the first electrode and the second electrode has a light-transmitting property. The photoelectric conversion layer contains a perovskite compound composed of a monovalent cation, a divalent cation, and a halogen anion. The electron transport layer contains a metal oxynitride having electron conductivity. The metal oxynitride has an electrical conductivity of greater than or equal to 1×10?7 S/cm.

Abstract: The solid electrolyte material of the present disclosure comprises lithium and a plurality of anion elements. The plurality of anion elements includes antimony and at least one element selected from the group consisting of pnictogen elements excluding antimony, chalcogen elements, and halogen elements. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode, wherein at least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: The solid electrolyte material of the present disclosure comprises Li, M, I, and X. M is at least one element selected from the group consisting of Al, Ga, and In. X is at least one element selected from the group consisting of F, O, and S. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: The solid electrolyte material of the present disclosure contains a crystal phase comprising Li, M, and X. M is at least one selected from the group consisting of Al, Ga, and In. X is at least one selected from the group consisting of Cl, Br, and I. The crystal phase belongs to the space group P21/c. In an X-ray diffraction pattern obtained by X-ray diffraction measurement of the solid electrolyte material, the full width at half maximum of a diffraction peak of a crystal phase assigned to the Miller index (202) crystal plane is greater than or equal to 0.27° and less than or equal to 0.50°.

Abstract: The solid electrolyte material of the present disclosure comprises Li, M, X, H, and O. M is at least one element selected from the group consisting of Al, Ga, In, and V. X is at least one element selected from the group consisting of F, Cl, Br, and I. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: A compound of the present disclosure consists of A, Ag, and X. A is a monovalent cation and contains an organic cation. X is at least one selected from the group consisting of a halide ion and a thiocyanate ion. A photoelectric conversion device of the present disclosure includes a first electrode, a photoelectric conversion layer, and a second electrode arranged in this order. The photoelectric conversion device of the present disclosure contains the aforementioned compound of the present disclosure.

Abstract: The solid electrolyte material of the present disclosure includes Li, La, O, X, and a hydride. X is at least one selected from the group consisting of F, Cl, Br, and I. The battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer. The electrolyte layer is disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: The solid electrolyte material of the present disclosure consists of Li, La, O, and I. The battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer. The electrolyte layer is disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.