摘要:
A field-effect transistor including: a gate electrode, which is configured to apply gate voltage; a source electrode and a drain electrode, which are configured to take electric current out; an active layer, which is disposed between the source electrode and the drain electrode and is formed of an oxide semiconductor; and a gate insulating layer, which is disposed between the gate electrode and the active layer, the source electrode and the drain electrode each including a metal region formed of a metal and an oxide region formed of one or more metal oxides, and a part of the oxide region in each of the source electrode and the drain electrode being in contact with the active layer, and rest of the oxide region being in contact with one or more components other than the active layer.
摘要:
A field-effect transistor including: a gate electrode, which is configured to apply gate voltage; a source electrode and a drain electrode, which are configured to take electric current out; an active layer, which is disposed to be adjacent to the source electrode and the drain electrode and is formed of an oxide semiconductor; and a gate insulating layer, which is disposed between the gate electrode and the active layer, wherein the gate insulating layer contains a paraelectric amorphous oxide containing a Group A element which is an alkaline earth metal and a Group B element which is at least one selected from the group consisting of Ga, Sc, Y, and lanthanoid, and wherein the active layer has a carrier density of 4.0×1017/cm3 or more.
摘要:
A field-effect transistor including: a gate electrode, which is configured to apply gate voltage; a source electrode and a drain electrode, which are configured to take electric current out; a semiconductor layer, which is disposed to be adjacent to the source electrode and the drain electrode; and a gate insulating layer, which is disposed between the gate electrode and the semiconductor layer, wherein the gate insulating layer includes a first gate insulating layer containing a first oxide containing Si and an alkaline earth metal and a second gate insulating layer disposed to be in contact with the first gate insulating layer and containing a paraelectric amorphous oxide containing a Group A element which is an alkaline earth metal and a Group B element which is at least one selected from the group consisting of Ga, Sc, Y, and lanthanoid.
摘要:
An oxide semiconductor includes an oxide having a layered structure expressed by an expression of a product of [(AO)(ZO)mi(BO)(ZO)ni]i from i=1 to L. In the product, an atom A is a positive monovalent element, an atom Z is a positive divalent element, an atom B is a positive trivalent element, L is a positive integer, and mi and ni are independent integers greater than or equal to zero. A sum from i=1 to L of (mi+ni) is not zero.
摘要:
A field-effect transistor, including: a base; a passivation layer; a gate insulating layer formed therebetween; a source electrode and a drain electrode, which are formed to be in contact with the gate insulating layer; a semiconductor layer, which is formed between at least the source electrode and the drain electrode, and is in contact with the gate insulating layer, the source electrode, and the drain electrode; and a gate electrode, which is in contact with the gate insulating layer, and faces the semiconductor layer via the gate insulating layer, wherein the passivation layer contains a first passivation layer, which contains a first composite metal oxide containing Si, and an alkaline earth metal, and a second passivation layer, which is formed to be in contact with the first passivation layer, and contains a second composite metal oxide containing an alkaline earth metal, and a rare-earth element.
摘要:
To provide a coating liquid for forming a metal oxide film, containing: an indium compound; at least one selected from the group consisting of a magnesium compound, a calcium compound, a strontium compound, and a barium compound; at least one selected from the group consisting of a compound containing a metal a maximum positive value of an oxidation number of which is IV, a compound containing a metal a maximum positive value of an oxidation number of which is V, and a compound containing a metal a maximum positive value of an oxidation number of which is VI; and an organic solvent.
摘要:
A field-effect transistor, which contains: a gate electrode configured to apply gate voltage; a source electrode and a drain electrode, which are configured to extract electric current; an active layer formed of a n-type oxide semiconductor, provided in contact with the source electrode and the drain electrode; and a gate insulating layer provided between the gate electrode and the active layer, wherein the n-type oxide semiconductor is a triclinic crystal compound, a monoclinic crystal compound, or a trigonal crystal compound, each of which is substitutionally doped with at least one dopant selected from the group consisting of a divalent cation, a trivalent cation, a tetravalent cation, a pentavalent cation, and a hexavalent cation, and wherein a valence of the dopant is greater than a valence of a metal ion constituting the n-type oxide semiconductor, excluding the dopant.
摘要:
A field-effect transistor, which contains: a gate electrode configured to apply gate voltage; a source electrode and a drain electrode, which are configured to extract electric current; an active layer formed of a n-type oxide semiconductor, provided in contact with the source electrode and the drain electrode; and a gate insulating layer provided between the gate electrode and the active layer, wherein the n-type oxide semiconductor is a triclinic crystal compound, a monoclinic crystal compound, or a trigonal crystal compound, each of which is substitutionally doped with at least one dopant selected from the group consisting of a divalent cation, a trivalent cation, a tetravalent cation, a pentavalent cation, and a hexavalent cation, and wherein a valence of the dopant is greater than a valence of a metal ion constituting the n-type oxide semiconductor, excluding the dopant.
摘要:
To provide is a p-type oxide, including an oxide, wherein the oxide includes: Cu; and an element M, which is selected from p-block elements, and which can be in an equilibrium state, as being present as an ion, wherein the equilibrium state is a state in which there are both a state where all of electrons of p-orbital of an outermost shell are lost, and a state where all of electrons of an outermost shell are lost, and wherein the p-type oxide is amorphous.
摘要:
A p-type oxide which is amorphous and is represented by the following compositional formula: xAO.yCu2O where x denotes a proportion by mole of AO and y denotes a proportion by mole of Cu2O and x and y satisfy the following expressions: 0≦x