摘要:
According to one embodiment, a semiconductor memory device includes first-third conductive layers, a semiconductor layer, a resistance change layer and a metal-containing layer. The second conductive layer is separated from the first conductive layer in a first direction. The semiconductor layer is provided between the first and the second conductive layers. The third conductive layer is arranged with the first semiconductor layer in a direction crossing the first direction. The first resistance change layer is provided between the first semiconductor layer and the first conductive layer. The first metal-containing layer is provided between the first resistance change layer and the first conductive layer. The first conductive layer extends in a second direction crossing the first direction. The second conductive layer extends in a third direction crossing the first direction and crossing the second direction. The third conductive layer extends in a direction crossing the first direction.
摘要:
A semiconductor integrated circuit according to an embodiment includes: a CMOS inverter including an n-channel transistor and a p-channel transistor, one of the n-channel transistor and the p-channel transistor being disposed above the other of the n-channel transistor and the p-channel transistor.
摘要:
According to one embodiment, a semiconductor memory device includes a plurality of first wirings, second wirings, a plurality of memory cells, selection gate transistors, and a third wiring. The first wirings are disposed in a first direction along a surface of a substrate and in a second direction intersecting with the surface of the substrate. The selection gate transistors are connected to respective one ends of the second wirings. The third wiring is connected in common to one end of the selection gate transistors. The selection gate transistor includes first to third semiconductor layers laminated on the third wiring and a gate electrode. The gate electrode is opposed to the second semiconductor layer in the first direction. The second semiconductor layer has a length in the first direction smaller than lengths of the first semiconductor layer and the third semiconductor layer in the first direction.
摘要:
A nonvolatile memory device according to an embodiment includes: a semiconductor substrate; a memory cell array unit provided on an upper side of the semiconductor substrate; an integrated circuit unit provided between the memory cell array unit and the semiconductor substrate; and a peripheral circuit unit provided on the semiconductor substrate. The integrated circuit unit includes: a first contact electrode electrically connected to one of plurality of first interconnection layers; a second contact electrode connected to the peripheral circuit unit; and a first switching element connected between the first contact electrode and the second contact electrode, and conduction between the first contact electrode and the second contact electrode being controlled by a control circuit unit provided in the peripheral circuit unit.
摘要:
A semiconductor memory device comprises: first lines; second lines; memory cells; a first and second select gate transistor; and a control circuit. The first lines are arranged with a certain pitch in a first direction perpendicular to a substrate and are extending in a second direction parallel to the substrate. The second lines are arranged with a certain pitch in the second direction, are extending in the first direction, and intersect the plurality of first lines. The memory cells are disposed at intersections of the first lines and the second lines. The first and second select gate transistors each include a first or second channel line that are connected to a lower end or an upper end of the second line and a first or second gate line. The control circuit controls the first and second select gate transistors independently.
摘要:
According to one embodiment, a memory device includes a first electrode, a second electrode, a first layer, and a second layer. The first electrode includes a first element. The first layer is provided between the first electrode and the second electrode. The first layer includes at least one of an insulator or a first semiconductor. The second layer is provided between the first layer and the second electrode. The second layer includes a first region and a second region. The second region is provided between the first region and the second electrode. The second region includes a second element. A standard electrode potential of the second element is lower than a standard electrode potential of the first element. A concentration of nitrogen in the first region is higher than a concentration of nitrogen in the second region.
摘要:
According to one embodiment, a nonvolatile semiconductor memory device includes a first structure having a first insulating layer, a semiconductor layer, and a second insulating layer stacked in this order in a first direction, the first structure extending in a second direction, memory cells provided on a surface of the semiconductor layer facing in a third direction, and connected in series in the second direction, and a third insulating layer contacting at least one of first and second end portions of the first structure in the second direction and not covering at least a part of an area between the first and second end portions. A lattice spacing of semiconductor atoms in the semiconductor layer in the second direction is larger than a lattice spacing of the semiconductor atoms in the semiconductor layer in the first direction.
摘要:
According to one embodiment, a memory device includes a first layer, a second layers, a third layer provided between the first layer and the second layer, and first electrodes. The first layer includes first interconnections and a first insulating portion provided between the first interconnections. The second layer includes second interconnections and a second insulating portion provided between the second interconnections. The third layer includes first and second portions including silicon oxide. The first portion is provided between the first and the second interconnections. The second portion is provided between the first and the second insulating portions. The first electrodes are provided between the first interconnections and the first portion, and include a first material. The second interconnections include a second material. The first material is easier to ionize than the second material. A density of the first portion is lower than a density of the second portion.
摘要:
According to one embodiment, a memory device includes a first electrode, a second electrode and a variable resistance layer. The second electrode includes a metal. The metal is more easily ionizable than a material of the first electrode. The variable resistance layer is disposed between the first electrode and the second electrode. The variable resistance layer includes a first layer and a second layer. The first layer has a relatively high crystallization rate. The second layer contacts the first layer. The second layer has a relatively low crystallization rate. The first layer and the second layer are stacked along a direction connecting the first electrode and the second electrode.
摘要:
A semiconductor device of an embodiment includes: a first transistor having a first source region and a first drain region arranged in a first protruded semiconductor region, a first channel region having a first corner portion in its upper portion in a section perpendicular to a first direction, the first corner portion having a first radius of curvature; a second transistor having a second source region and a second drain region arranged in a second protruded semiconductor region, and a second channel region having a second corner portion in its upper portion in a section that is perpendicular to a second direction, the second corner portion having a second radius of curvature greater than the first radius of curvature.