Abstract:
There are disclosed a piezoelectric thin film having less non-uniform portions and holding satisfactory piezoelectric characteristics, a method of manufacturing the film, a piezoelectric element using the piezoelectric thin film, and an ink jet system recording head using the piezoelectric element. In the piezoelectric thin film of perovskite crystals formed on a substrate by a sol-gel process and represented by a general formula Pb(1−x)Lax(ZryTi1−y)O3 (where 0≦̸x
Abstract:
The present invention can provide a polymer electrolyte membrane having power generation characteristics with a high output and long life and a polymer electrolyte fuel cell using the same. The present invention provides a polymer electrolyte membrane having a porous polymer film and a proton conducting component present in a hole of the porous polymer film, characterized in that the proton conducting component has a compound having a proton conducting group and a bicyclo ring structure.
Abstract:
An organic semiconductor device that can be driven stably at low gate voltage is provided. The organic semiconductor device of the present invention is characterized by having a silsesquioxane skeleton in an insulating portion.
Abstract:
There is provided a method of producing an organic semiconductor device by which an organic semiconductor device having an optional configuration can easily be produced. A method of producing an organic semiconductor device comprising a gate insulating layer, a gate electrode, a source electrode, a drain electrode, and an organic semiconductor layer is provided which comprises the steps of: 1) forming a monomer layer of a conductive polymer precursor; 2) maintaining the monomer layer at a given temperature; and 3) applying an oxidizing agent solution to a desired location of the monomer layer to obtain a polymer layer of a desired conductivity.
Abstract:
The present invention can provide a polymer electrolyte membrane having power generation characteristics with a high output and long life and a polymer electrolyte fuel cell using the same. The present invention provides a polymer electrolyte membrane having a porous polymer film and a proton conducting component present in a hole of the porous polymer film, characterized in that the proton conducting component has a compound having a proton conducting group and a bicyclo ring structure.