Abstract:
A semiconductor device is provide, which includes a semiconductor region containing Ge as a major component, an insulating film formed on the semiconductor region, and a metallic film formed on the insulating film. At least a portion of the insulating film in contact with the semiconductor region is constituted by an oxide containing at least one rare-earth element MR and at least one Group IV element MIV selected from Ti and Zr.
Abstract:
A semiconductor device includes an NMISFET region. The NMISFET region includes a Ge nano wire having a triangular cross section along a direction perpendicular to a channel current direction, wherein two of surfaces that define the triangular cross section of the Ge nano wire are (111) planes, and the other surface that define the triangular cross section of the Ge nano wire is a (100) plane; and an Si layer or an Si1-xGex layer (0
Abstract:
A semiconductor device includes a channel region, an oxide film, a gate electrode and source/drain regions. The channel region includes Ge. The oxide film is formed on the channel region. The oxide film includes Si and a metallic element M selected from the group consisting of Zr, Hf, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. The gate electrode is formed on the oxide film. The source/drain regions are disposed across the channel region from each other in a longitudinal direction of the channel region.
Abstract:
In the first aspect of the invention, a semiconductor device can effectively suppress the adverse short channel effect and the possible occurrence of junction leak current and has a low resistance diffusion layer to realize a short propagation delay time as a plurality of side wall films 4, 5 are formed at least in a part of the area between the gate electrode 3 and an elevated region 8 by laying a plurality of films in an appropriate order.
Abstract:
An exemplary embodiment provides a semiconductor device, in which a junction leakage current is reduced in MISFET including a source/drain impurity layer formed in a semiconductor region containing Ge, and a semiconductor device manufacturing method. The semiconductor device includes a channel region which is formed in a semiconductor substrate; a gate insulator which is formed on a surface of the channel region; a gate electrode which is formed on the gate insulator; and source/drain impurity layers which are formed on both sides of the channel region. In the semiconductor device, at least part of the source/drain impurity layer is formed in a semiconductor region containing Ge in the semiconductor substrate, and at least an element selected from a group including S, Se, and Te is contained in the semiconductor region which is deeper than a junction depth of the source/drain impurity layer.
Abstract:
A semiconductor device includes an NMISFET region. The NMISFET region includes a Ge nano wire having a triangular cross section along a direction perpendicular to a channel current direction, wherein two of surfaces that define the triangular cross section of the Ge nano wire are (111) planes, and the other surface that define the triangular cross section of the Ge nano wire is a (100) plane; and an Si layer or an Si1-xGex layer (0
Abstract:
Disclosed is a semiconductor device comprising a Ge semiconductor area, and an insulating film area, formed in direct contact with the Ge semiconductor area, containing metal, germanium, and oxygen.
Abstract:
It is made possible to obtain epitaxially grown layers with excellent crystallinity. A semiconductor device includes: a semiconductor layer having crystallinity; a first insulating film formed on the semiconductor layer and having a first opening to reach the semiconductor layer; a first epitaxially grown layer formed on the first insulating film so as to embed the first opening; a second insulating film formed on the first epitaxially grown layer and having a second opening to reach the first epitaxially grown layer; and a second epitaxially grown layer formed on the second insulating film so as to embed the second opening.
Abstract:
It is made possible to reduce the influence upon adjacent elements. Voids are provided in a Ge substrate. An insulation film containing Ge is provided to cover top faces of the voids.
Abstract:
An exemplary embodiment provides a semiconductor device, in which a junction leakage current is reduced in MISFET including a source/drain impurity layer formed in a semiconductor region containing Ge, and a semiconductor device manufacturing method. The semiconductor device includes a channel region which is formed in a semiconductor substrate; a gate insulator which is formed on a surface of the channel region; a gate electrode which is formed on the gate insulator; and source/drain impurity layers which are formed on both sides of the channel region. In the semiconductor device, at least part of the source/drain impurity layer is formed in a semiconductor region containing Ge in the semiconductor substrate, and at least an element selected from a group including S, Se, and Te is contained in the semiconductor region which is deeper than a junction depth of the source/drain impurity layer.