Abstract: A semiconductor device and a method of manufacturing a semiconductor device, the device including a substrate; a lower structure including pad patterns on the substrate, upper surfaces of the pad patterns being at an outer side of the lower structure; a plurality of lower electrodes contacting the upper surfaces of the pad patterns; a dielectric layer and an upper electrode sequentially stacked on a surface of each of the lower electrodes; and a hydrogen supply layer including hydrogen, the hydrogen supply layer being between the lower electrodes and closer to the substrate than the dielectric layer is to the substrate.

Abstract: A semiconductor device including a first pad on a substrate extending in a first direction and a second direction, a lower electrode connected to and disposed on the first pad, first to third supporter layers disposed on a side wall of the lower electrode and sequentially spaced apart from each other in a third direction perpendicular to the first direction and the second direction, a dielectric film disposed on the lower electrode and the first to third supporter layers, and an upper electrode disposed on the dielectric film. At least one of a side wall of the lower electrode between the first supporter layer and the second supporter layer, and a side wall of the lower electrode between the second supporter layer and the third supporter layer includes a first portion including protrusions extending in the first direction and includes a second portion including no protrusions.

Abstract: A semiconductor device and a method of manufacturing a semiconductor device, the device including a substrate; a lower structure including pad patterns on the substrate, upper surfaces of the pad patterns being at an outer side of the lower structure; a plurality of lower electrodes contacting the upper surfaces of the pad patterns; a dielectric layer and an upper electrode sequentially stacked on a surface of each of the lower electrodes; and a hydrogen supply layer including hydrogen, the hydrogen supply layer being between the lower electrodes and closer to the substrate than the dielectric layer is to the substrate.

Abstract: A semiconductor device and a method of manufacturing a semiconductor device, the device including a substrate; a lower structure including pad patterns on the substrate, upper surfaces of the pad patterns being at an outer side of the lower structure; a plurality of lower electrodes contacting the upper surfaces of the pad patterns; a dielectric layer and an upper electrode sequentially stacked on a surface of each of the lower electrodes; and a hydrogen supply layer including hydrogen, the hydrogen supply layer being between the lower electrodes and closer to the substrate than the dielectric layer is to the substrate.

Abstract: A semiconductor device and a method of manufacturing a semiconductor device, the device including a substrate; a lower structure including pad patterns on the substrate, upper surfaces of the pad patterns being at an outer side of the lower structure; a plurality of lower electrodes contacting the upper surfaces of the pad patterns; a dielectric layer and an upper electrode sequentially stacked on a surface of each of the lower electrodes; and a hydrogen supply layer including hydrogen, the hydrogen supply layer being between the lower electrodes and closer to the substrate than the dielectric layer is to the substrate.

Abstract: Methods for fabricating a semiconductor device are provided including sequentially forming a first hard mask layer, a second hard mask layer and a photoresist layer on a target layer, patterning the photoresist layer to form a photoresist pattern, sequentially patterning the second hard mask layer and the first hard mask layer using the photoresist pattern as an etching mask to form a first hard mask pattern and a second hard mask pattern on the first hard mask pattern, and etching the target layer using the first hard mask pattern and the second hard mask pattern as an etching mask, wherein the second hard mask layer includes impurity-doped amorphous silicon.

Abstract: Methods for fabricating a semiconductor device are provided including sequentially forming a first hard mask layer, a second hard mask layer and a photoresist layer on a target layer, patterning the photoresist layer to form a photoresist pattern, sequentially patterning the second hard mask layer and the first hard mask layer using the photoresist pattern as an etching mask to form a first hard mask pattern and a second hard mask pattern on the first hard mask pattern, and etching the target layer using the first hard mask pattern and the second hard mask pattern as an etching mask, wherein the second hard mask layer includes impurity-doped amorphous silicon.