摘要:
Disclosed is a semiconductor device including: a first electrode formed of a conductive material; a p-type first silicon carbide (SiC) semiconductor section and an n-type second SiC semiconductor section 230, connected to the first electrode, containing carbon (C) such that a surface density distribution has a peak at a first interface with the first electrode.
摘要:
A semiconductor device according to an embodiment includes a first electrode and a first silicon carbide (SiC) semiconductor part. The first electrode uses a conductive material and the first silicon carbide (SiC) semiconductor part is connected to the first electrode, in which at least one element of magnesium (Mg), calcium (Ca), strontium (Sr), and barium (Ba) is contained in an interface portion with the first electrode in such a way that a surface density thereof peaks, and whose conduction type is a p-type.
摘要:
A semiconductor device of an embodiment at least includes: a SiC substrate; and a gate insulating film formed on the SiC substrate, wherein at an interface between the SiC substrate and the gate insulating film, some of elements of both of or one of Si and C in an outermost surface of the SiC substrate are replaced with at least one type of element selected from nitrogen, phosphorus, and arsenic.
摘要:
It is made possible to provide an insulating film that can reduce the leakage current. An insulating film includes: an amorphous oxide dielectric film containing a metal, hydrogen, and nitrogen. The nitrogen amount [N] and the hydrogen amount [H] in the oxide dielectric film satisfy the following relationship: {[N]—[H]}/2≦1.0×1021 cm−3.
摘要:
Disclosed herein is a full duplex transmission circuit including: a first internal input terminal receiving a signal to be transmitted; a second internal input terminal receiving a signal having an amplitude equal to ½ times the amplitude of the signal to be transmitted and having the same phase as the phase of the signal to be transmitted; an external input/output terminal; an internal output terminal; a first metal oxide semiconductor transistor; and the second metal oxide semiconductor transistor. A current generated by the current source as well as the sizes of the first and second metal oxide semiconductor transistors are set so that the transconductances of the first and second metal oxide semiconductor transistors become equal to 1/Z.
摘要:
According to one embodiment, in a semiconductor memory device, a source region and a drain region are disposed away from each other in the semiconductor layer. A tunnel insulating film is formed between the source region and the drain region on the semiconductor layer. A charge accumulating film includes an oxide cluster and is formed on the tunnel insulating film. A block insulating film is formed on the charge accumulating film. A gate electrode is formed on the block insulating film. The oxide cluster includes either Zr or Hf, and further contains at least one element selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Ta, W, Re, Os, Ir, Pt, Au and Hg.
摘要:
According to one embodiment, it is possible to provide a semiconductor device provided with an MIS transistor which has an effective work function being, as much as possible, suitable for low threshold operation. A CMIS device provided with an electrode having an optimal effective work function and enabling low threshold operation to achieve by producing an in-gap level by the addition of a high valence metal in an Hf (or Zr) oxide and changing a position of the in-gap level by nitrogen or fluorine or the like has been realized.
摘要:
A semiconductor device includes: an n-type MOS transistor and a p-type MOS transistor connected in series; and a first gate extending via an insulating film above a channel of the n-type MOS transistor and a channel of the p-type MOS transistor. By providing light to the first gate, electrons and holes are generated, at least one of either of the electrons and holes passes through above the channel of the n-type MOS transistor and at least one of the either of the electrons and holes passes through above the channel of the p-type MOS transistor, whereby the n-type MOS transistor and the p-type MOS transistor are switched.
摘要:
A semiconductor light-emitting device including an insulating film, an optical resonator formed on the insulating film, and a p-electrode and an n-electrode which are disposed on the both sides of the optical resonator, respectively. The optical resonator includes a first semiconductor wire and a second semiconductor wire which are arranged in parallel with a space left therebetween, the space being narrower than emission wavelength, resonator mirrors disposed at the both ends of these semiconductor wires, and a plurality of semiconductor ultra-thin films which are interposed between the first semiconductor wire and the second semiconductor wire and are electrically connected with these semiconductor wires, the first semiconductor wire is electrically connected with the p-electrode, and the second semiconductor wire is electrically connected with the n-electrode, thereby enabling the semiconductor ultra-thin films to generate laser oscillation as a current is injected thereinto.
摘要:
A memory cell in a nonvolatile semiconductor memory device includes a tunneling insulating film, a floating gate electrode made of a Si containing conductive material, an inter-electrode insulating film made of rare-earth oxide, rare-earth nitride or rare-earth oxynitride, a control gate electrode, and a metal silicide film formed between the floating gate electrode and the inter-electrode insulating film.