摘要:
A capacitor includes a lower electrode, a dielectric layer, an upper electrode, and a ruthenium oxide layer. At least one of the lower electrode and the upper electrode is formed of a ruthenium layer, and the ruthenium oxide layer is disposed next to the ruthenium layer.
摘要:
A capacitor includes a lower electrode, a dielectric layer, an upper electrode, and a ruthenium oxide layer. At least one of the lower electrode and the upper electrode is formed of a ruthenium layer, and the ruthenium oxide layer is disposed next to the ruthenium layer.
摘要:
A method for fabricating a capacitor includes forming a sacrificial layer having a plurality of trenches on an upper portion of a substrate, forming storage nodes in the trenches, exposing upper portions of the storage nodes by removing a portion of the sacrificial layer, forming supporters to support the exposed upper portions of the storage nodes, removing the sacrificial layer under the supporters, and removing the supporters.
摘要:
A capacitor includes a pillar-type storage node, a supporter filling an inner empty crevice of the storage node, a dielectric layer over the storage node, and a plate node over the dielectric layer.
摘要:
A capacitor includes a pillar-type storage node, a supporter disposed entirely within an inner empty crevice of the storage node, a conductive capping layer over the supporter and contacting the storage node so as to seal an entrance to the inner empty crevice, a dielectric layer over the storage node, and a plate node over the dielectric layer.
摘要:
A capacitor includes a lower electrode, a dielectric layer over the lower electrode, and an upper electrode having a stack structure including a ruthenium-containing layer and a tungsten-containing layer over the dielectric layer.
摘要:
A capacitor includes a pillar-type storage node, a supporter disposed entirely within an inner empty crevice of the storage node, a conductive capping layer over the supporter and contacting the storage node so as to seal an entrance to the inner empty crevice, a dielectric layer over the storage node, and a plate node over the dielectric layer.
摘要:
A method for fabricating a capacitor includes forming a sacrificial layer having a plurality of trenches on an upper portion of a substrate, forming storage nodes in the trenches, exposing upper portions of the storage nodes by removing a portion of the sacrificial layer, forming supporters to support the exposed upper portions of the storage nodes, removing the sacrificial layer under the supporters, and removing the supporters.
摘要:
A capacitor includes a pillar-type storage node, a supporter filling an inner empty crevice of the storage node, a dielectric layer over the storage node, and a plate node over the dielectric layer.
摘要:
A method for fabricating a capacitor includes forming an isolation layer over a cell region and a peripheral region of a substrate. The isolation layer forms a plurality of open regions in the cell region. Storage nodes are formed on surfaces of the open regions. A sacrificial pattern is formed over the isolation layer and covers the cell region. The isolation layer is etched in the peripheral region to expose side portions of the resulting structure obtained after forming the sacrificial pattern in the cell region. With the sacrificial pattern supporting the storage nodes, the isolation layer in the cell region is removed. The sacrificial pattern is then removed.