摘要:
A phase change memory device includes a switch and a storage node connected to the switch. The storage node includes a first electrode, a phase change layer and a second electrode. The phase change layer is formed of an InSbTe compound doped with Ge. In a method of operating a phase change memory including a switch and a storage node, the switch is maintained in an on state, and a first current is applied to the storage node.
摘要:
A phase change memory device includes a switch and a storage node connected to the switch. The storage node includes a first electrode, a phase change layer and a second electrode. The phase change layer is formed of an InSbTe compound doped with Ge. In a method of operating a phase change memory including a switch and a storage node, the switch is maintained in an on state, and a first current is applied to the storage node.
摘要:
A method of fabricating a phase change RAM (PRAM) having a fullerene layer is provided. The method of fabricating the PRAM may include forming a bottom electrode, forming an interlayer dielectric film covering the bottom electrode, and forming a bottom electrode contact hole exposing a portion of the bottom electrode in the interlayer dielectric film, forming a bottom electrode contact plug by filling the bottom electrode contact hole with a plug material, forming a fullerene layer on a region including at least an upper surface of the bottom electrode contact plug and sequentially stacking a phase change layer and an upper electrode on the fullerene layer. The method may further include forming a switching device on a substrate and a bottom electrode connected to the switching device, forming an interlayer dielectric film covering the bottom electrode and forming a bottom electrode contact hole exposing a portion of the bottom electrode in the interlayer dielectric film.
摘要:
Insulating impurities may be uniformly distributed over an entire or partial region of the phase change material. The PRAM may include a phase change layer including the phase change material. The insulating impurity content of the phase change material may be 0.1 to 10% (inclusive) the volume of the phase change material. The insulating impurity content of the phase change material may be adjusted by controlling the power applied to a target including the insulating impurities.
摘要:
Example embodiments may provide a doped phase change layer and a method of operating and fabricating a phase change memory with the example embodiment doped phase change layer. The phase change memory may include a storage node having a phase change layer and a switching device, wherein the phase change layer includes indium with a concentration ranging from about 5 at % to about 15 at %. The phase change layer may be a GST layer that includes indium. The phase change layer may be a GST layer that includes gallium.
摘要:
Provided is a method of operating a phase change random access memory comprising a switching device and a storage node comprising a phase change layer. The method includes applying a reset current passing through the phase change layer from a lower portion of the phase change layer toward an upper portion of the phase change layer and being smaller than 1.6 mA to the storage node to change a portion of the phase change layer into an amorphous state. The set voltage is in an opposite direction is exemplary embodiments, and a connector is of small cross-sectional area.
摘要:
A PRAM and a fabricating method thereof are provided. The PRAM includes a transistor and a data storage capability. The data storage capability is connected to the transistor. The data storage includes a top electrode, a bottom electrode, and a porous PCM layer. The porous PCM layer is interposed between the top electrode and the bottom electrode.
摘要:
A phase change random access memory (PRAM), and a method of operating the PRAM are provided. In the PRAM comprising a switching element and a storage node connected to the switching element, the storage node comprises a first electrode, a second electrode, a phase change layer between the first electrode and a second electrode, and a heat efficiency improving element formed between the first electrode and the phase change layer. The heat efficiency improving element may be one of a carbon nanotube (CNT) layer, a nanoparticle layer, and a nanodot layer, and the nanoparticle layer may be a fullerene layer.
摘要:
Example embodiments may provide a doped phase change layer and a method of operating and fabricating a phase change memory with the example embodiment doped phase change layer. The phase change memory may include a storage node having a phase change layer and a switching device, wherein the phase change layer includes indium with a concentration ranging from about 5 at % to about 15 at %. The phase change layer may be a GST layer that includes indium. The phase change layer may be a GST layer that includes gallium.
摘要:
A PRAM and a fabricating method thereof are provided. The PRAM includes a transistor and a data storage capability. The data storage capability is connected to the transistor. The data storage includes a top electrode, a bottom electrode, and a porous PCM layer. The porous PCM layer is interposed between the top electrode and the bottom electrode.