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: A capacitor includes a metallic tantalum, an electric conductor, and an oxidized tantalum film. The oxidized tantalum film is disposed between the metallic tantalum and the electric conductor, where the oxidized tantalum film is in contact with the metallic tantalum. The oxidized tantalum film includes a first portion containing fluorine, and a second portion. The second portion is located closer to the metallic tantalum than the first portion in a thickness direction of the oxidized tantalum film. And a fluorine concentration at the second portion is lower than a fluorine concentration at the first portion.

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 dielectric has a composition represented by Bi2xMgyTizOk. The composition satisfies requirements x?0.15, y?0.40, z?0.25, and x+y+z=1.0. In the composition, k is a value for maintaining electroneutrality.

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 an oxide having a composition represented by Hf1?x?ySixGayOz. This composition satisfies requirements 0.01?x, 0.05?y?0.11, and 0.09?x+y?0.15.

Abstract: A dielectric material 1a includes a metal oxide including: Zn; a rare-earth element; and Mn.

Abstract: A method for manufacturing a member of a capacitor according to the present disclosure includes forming a modified layer on a valve metal by a cathodic reaction, the modified layer including a metal other than the valve metal. In the manufacturing method, a requirement ?H/KH [V/nm]>?L/KL [V/nm] is satisfied, where ?H is a dielectric constant of an oxide of the metal, KH [nm/V] is a thickness of a first oxide film of the metal, in formation of the first oxide film by anodic oxidation of the metal, per 1 V of anode potential, EL is a dielectric constant of an oxide of the valve metal, and KL [nm/V] is a 10 thickness of a second oxide film including the oxide of the valve metal, in formation of the second oxide film by anodic oxidation, per 1 V of anode potential.

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: A dielectric of the present disclosure includes a composite oxide having composition represented by LaxYyAl(1-x-y)Ok. In the composition, a requirement 0.1?x+y<0.50 is satisfied. The symbol k is a value for maintaining electroneutrality of the composite oxide.

Abstract: A dielectric of the present disclosure includes a composite oxide including at least two selected from the group consisting of Nb, Bi, and Ta, wherein the following requirement (I), (II), or (III) is satisfied: (I) the composite oxide includes Nb, Bi, and Ta; (II) the composite oxide includes Nb and Bi and is amorphous; and (III) the composite oxide includes Bi and Ta and is amorphous.

Abstract: A dielectric includes a composite oxide. The composite oxide has composition represented by CexAl1-xOk and is amorphous. In the composition represented by CexAl1-xOk, a requirement 0.400?x<0.900 is satisfied. The symbol k is a value for maintaining electroneutrality of the composite oxide.

Abstract: A dielectric of the present disclosure includes a tantalum compound containing fluorine and oxygen and being amorphous, and is advantageous in terms of achieving a high dielectric constant.

Abstract: Disclosed is a method comprising acquiring a value relating to VEGF-A of a subject, wherein the value is a measured value of total VEGF-A in a blood sample, or a value obtained by dividing a measured value of VEGF-A165b in the blood sample by a measured value of total VEGF-A in the blood sample (VEGF-A165b/total VEGF-A), and the value suggests prognosis of myocardial infarction of the subject or severity of coronary artery disease of the subject.

Abstract: A solar cell according to the present disclosure includes a first electrode, a second electrode, a photoelectric conversion layer located between the first electrode and the second electrode, and a semiconductor layer located between the first electrode and the photoelectric conversion layer, in which at least one selected from the group consisting of the first electrode and the second electrode is translucent, and the semiconductor layer contains a compound containing Na, Zn, and O.

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 present disclosure is to provide a multi-junction light energy conversion element including a material having a band gap suitable for a light energy conversion layer located upstream in an incidence direction of light. The present disclosure provides a light energy conversion element, comprising a first light energy conversion layer containing SrZn2N2 and a second light energy conversion layer containing an light energy conversion material. The light energy conversion material has a narrower band gap than the SrZn2N2.

Abstract: A solar cell according to the present disclosure includes a first electrode, a second electrode, a photoelectric conversion layer located between the first electrode and the second electrode, and a semiconductor layer located between the first electrode and the photoelectric conversion layer, in which at least one selected from the group consisting of the first electrode and the second electrode is translucent, and the semiconductor layer contains a compound containing Na, Zn, and O.

Abstract: An inorganic compound semiconductor of the present disclosure contains yttrium, zinc, and nitrogen.

Abstract: Provided is a method whereby therapeutic effect in a critical limb ischemia patient after angiogenic therapy can be objectively evaluated with minimal patient burden. The problem addressed by the present invention is solved by a method for evaluating a therapeutic effect in a critical limb ischemia patient who has undergone angiogenic therapy. The evaluation method includes, a measurement step for measuring a VEGF-A165b concentration in a blood of the critical limb ischemia patient and an evaluation step for evaluating the therapeutic effect taking changes over time in the measured VEGF-A165b concentration as an indicator.

Abstract: The present disclosure provides a light energy conversion element in which a material having a bandgap suitable for a light energy conversion layer is used. The light energy conversion element according to the present disclosure comprises a light energy conversion layer containing BaBi2S4 having a hexagonal crystal structure.