摘要:
According to one embodiment a first variable resistance layer which is arranged between a second electrode and a first electrode and in which a first conductive filament is capable of growing based on metal supplied from the second electrode, and an n-th variable resistance layer which is arranged between an n-th electrode and an (n+1)-th electrode and in which an n-th conductive filament whose growth rate is different from the first conductive filament is capable of growing based on metal supplied from the (n+1)-th electrode are included, a configuration in which a plurality of conductive filaments is electrically connected in series between the first electrode layer and the (n+1)-th electrode layer is included, and a resistance is changed in a stepwise manner.
摘要:
According to one embodiment a first variable resistance layer which is arranged between a second electrode and a first electrode and in which a first conductive filament is capable of growing based on metal supplied from the second electrode, and an n-th variable resistance layer which is arranged between an n-th electrode and an (n+1)-th electrode and in which an n-th conductive filament whose growth rate is different from the first conductive filament is capable of growing based on metal supplied from the (n+1)-th electrode are included, a configuration in which a plurality of conductive filaments is electrically connected in series between the first electrode layer and the (n+1)-th electrode layer is included, and a resistance is changed in a stepwise manner.
摘要:
According to one embodiment, a nonvolatile semiconductor memory device includes a fin-type stacked layer structure having memory cells, and a beam connected to an end portion of the structure. Each of the structure and the beam includes semiconductor layers stacked in a perpendicular direction. The beam includes a contact portion provided at one end of the beam, and a low resistance portion provided between the contact portion and the end portion of the structure.
摘要:
According to one embodiment, a nonvolatile semiconductor memory device includes a fin-type stacked layer structure having memory cells, and a beam connected to an end portion of the structure. Each of the structure and the beam includes semiconductor layers stacked in a perpendicular direction. The beam includes a contact portion provided at one end of the beam, and a low resistance portion provided between the contact portion and the end portion of the structure.
摘要:
According to one embodiment, a semiconductor device includes first to n-th semiconductor layers (n is a natural number equal to or more than 2) being stacked in order from a surface of an insulating layer in a first direction perpendicular to the surface of the insulating layer, the first to n-th semiconductor layers extending in a second direction parallel to the surface of the insulating layer, the first to n-th semiconductor layers being insulated from each other, a common electrode connected to the first to n-th semiconductor layers in a first end of the second direction thereof, and a layer select transistor which uses the first to n-th semiconductor layers as channels and which selects one of the first to n-th semiconductor layers.
摘要:
According to one embodiment, a semiconductor device includes a semiconductor region, a tunnel insulating film provided on the semiconductor region, a charge storage insulating film provided on the tunnel insulating film and having a hafnium oxide including a cubic region, a block insulating film provided on the charge storage insulating film, and a control gate electrode provided on the block insulating film.
摘要:
According to one embodiment, a semiconductor device includes a semiconductor region, a tunnel insulating film provided on the semiconductor region, a charge storage insulating film provided on the tunnel insulating film and having a hafnium oxide including a cubic region, a block insulating film provided on the charge storage insulating film, and a control gate electrode provided on the block insulating film.
摘要:
According to one embodiment, a nonvolatile variable resistance device includes a first electrode, a second electrode, a first layer, and a second layer. The second electrode includes a metal element. The first layer is arranged between the first electrode and the second electrode and includes a semiconductor element. The second layer is inserted between the second electrode and the first layer and includes the semiconductor element. The percentage of the semiconductor element being unterminated is higher in the second layer than in the first layer.
摘要:
According to one embodiment, a memory device includes a first electrode, a second electrode, and a variable resistance film. The variable resistance film is connected between the first electrode and the second electrode. The first electrode includes a metal contained in a matrix made of a conductive material. A cohesive energy of the metal is lower than a cohesive energy of the conductive material. A concentration of the metal at a central portion of the first electrode in a width direction thereof is higher than concentrations of the metal in two end portions of the first electrode in the width direction.
摘要:
According to one embodiment, a nonvolatile semiconductor memory device includes first to n-th semiconductor layers which are stacked in a first direction perpendicular to a surface of a semiconductor substrate and which extend in a second direction parallel to the surface of the semiconductor substrate, an electrode which extends in the first direction along side surfaces of the first to n-th semiconductor layers, the side surfaces of the first to n-th semiconductor layers exposing in a third direction perpendicular to the first and second directions, and first to n-th charge storage layers located between the first to n-th semiconductor layers and the electrode respectively. The first to n-th charge storage layers are separated from each other in areas between the first to n-th semiconductor layers.