摘要:
A semiconductor device manufacturing method comprises: forming a first nitride film on a semiconductor substrate; forming a first oxide film between said semiconductor substrate and said nitride film and forming a second oxide film on said nitride film; forming a second nitride film or an oxide and nitride film on said first nitride film by nitriding said second oxide film; and forming a gate electrode on a gate insulative film including said first oxide film, said first nitride film, and said second nitride film or said oxide and nitride film.
摘要:
A semiconductor device manufacturing method comprises: forming a gate insulative film on a semiconductor substrate by: forming a first nitride film on the substrate; forming a first oxide film and a second oxide film, the first oxide film being between the substrate and the first nitride film, the second oxide film being on the first nitride film; and nitriding the second oxide film to form, on the first nitride film, one of either: a second nitride film or an SiON film; and forming a gate electrode on the gate insulative film; wherein the equivalent oxide thickness of the gate insulative film is equal to or less than 1 nm.
摘要:
According to the present invention, there is provided a semiconductor device comprising: a gate insulating film selectively formed on a predetermined region of a semiconductor substrate; a gate electrode formed on said gate insulating film; and a source region and drain region formed, in a surface portion of said semiconductor substrate, on two sides of a channel region positioned below said gate electrode, wherein a carbon concentration in an interface where said gate insulating film is in contact with said gate electrode is not more than 5×1022 atoms/cm3.
摘要:
There is disclosed a method of manufacturing a semiconductor device, which comprises forming a film containing metal elements and silicon elements on a semiconductor substrate, exposing the semiconductor substrate to an atmosphere containing an oxidant to form a silicon dioxide film at the interface between the semiconductor substrate and the film containing metal elements and silicon elements, and nitriding the film containing metal elements and silicon elements after forming the silicon dioxide film.
摘要:
A semiconductor device according to the present invention comprises a semiconductor substrate, a gate insulating film which is composed of a material whose main component is a tetravalent metal oxide, a mixture of a tetravalent metal oxide and SiO2, or a mixture of a tetravalent metal oxide and SiON and which containing B when it is in an nMOS structure on the semiconductor substrate or containing at least one of P and As when it is in a pMOS structure on the semiconductor substrate, and a gate electrode made of a metal having a work function of 4 eV to 5.5 eV.
摘要:
A semiconductor device according to the present invention comprises a semiconductor substrate, a gate insulating film which is composed of a material whose main component is a tetravalent metal oxide, a mixture of a tetravalent metal oxide and SiO2, or a mixture of a tetravalent metal oxide and SiON and which containing B when it is in an nMOS structure on the semiconductor substrate or containing at least one of P and As when it is in a pMOS structure on the semiconductor substrate, and a gate electrode made of a metal having a work function of 4 eV to 5.5 eV.
摘要:
A semiconductor apparatus wherein a device formed on a semiconductor substrate comprises a gate insulating film including a high dielectric constant film formed on the substrate and an anti-reaction film formed on the high dielectric constant film, and a gate electrode formed on the anti-reaction film, the high dielectric constant film comprises a film containing at least one of Hf and Zr, and Si and O, or a film containing at least one of Hf and Zr, and Si, O and N, the anti-reaction film comprises an SiO2 film, a film containing SiO2 as a main component and at least one of Hf and Zr, a film containing SiO2 as a main component and N, a film containing SiO2 as a main component, Hf and N, a film containing SiO2 as a main component, Zr and N, or a film containing SiO2 as a main component, Hf, Zr and N.
摘要:
According to the present invention, there is provided a semiconductor device comprising:an interface insulating film selectively formed on a predetermined region of a semiconductor substrate, and having a film thickness of substantially one atomic layer;a gate insulating film formed on said interface insulating film, and having a dielectric constant higher than that of said interface insulating film;a gate electrode formed on said gate insulating film; andsource and drain regions formed in a surface region of said semiconductor substrate on two sides of a channel region positioned below said gate electrode.
摘要:
According to the present invention, there is provided a semiconductor device fabrication method comprising: measuring light emission intensity of at least one type of wavelength contained in light emitted from a plasma, when one of nitriding, oxidation, and impurity doping is to be performed on a surface of a semiconductor substrate in a processing vessel by using the plasma; calculating, for each semiconductor substrate, an exposure time during which the semiconductor substrate is exposed to the plasma, on the basis of the measured light emission intensity; and exposing each semiconductor substrate to the plasma on the basis of the calculated exposure time, thereby performing one of the nitriding, oxidation, and impurity doping.
摘要:
According to the present invention, there is provided a semiconductor device comprising: an interface insulating film selectively formed on a predetermined region of a semiconductor substrate, and having a film thickness of substantially one atomic layer; a gate insulating film formed on said interface insulating film, and having a dielectric constant higher than that of said interface insulating film; a gate electrode formed on said gate insulating film; and source and drain regions formed in a surface region of said semiconductor substrate on two sides of a channel region positioned below said gate electrode.