摘要:
Semiconductor devices include a strain-inducing layer capable of applying a strain to a channel region of a transistor included in the device, and a method of manufacturing the device. The semiconductor device includes a substrate having a channel region; a pair of source/drain regions provided on the substrate and arranged on both sides of the channel region in a first direction; and a gate structure provided on the channel region. The gate structure includes a gate electrode pattern extending in a second direction that is different from the first direction, a gate dielectric layer between the channel region and the gate electrode pattern, and a gate spacer covering respective lateral surfaces of the gate electrode pattern and the gate dielectric layer. At least one of the source/drain regions includes a first strain-inducing layer and a second strain-inducing layer. The first strain-inducing layer is disposed between a lateral surface of the channel region and the second strain-inducing layer and contacts at least a portion of the gate dielectric layer.
摘要:
A semiconductor device includes a substrate, a first active fin and a second active fin on the substrate, respectively, a plurality of first epitaxial layers on the first active fin and on the second active fin, respectively, a plurality of second epitaxial layers on the plurality of first epitaxial layers, a bridge layer connecting the plurality of second epitaxial layers to each other, and a third epitaxial layer on the bridge layer.
摘要:
A semiconductor device includes a substrate, a first active fin and a second active fin on the substrate, respectively, a plurality of first epitaxial layers on the first active fin and on the second active fin, respectively, a plurality of second epitaxial layers on the plurality of first epitaxial layers, a bridge layer connecting the plurality of second epitaxial layers to each other, and a third epitaxial layer on the bridge layer.
摘要:
Embodiments of the invention provide a semiconductor integrated circuit device and a method for fabricating the device. The semiconductor device includes a semiconductor substrate having a cell region and a peripheral region, a cell active region formed in the cell region, and a peripheral active region formed in the peripheral region, wherein the cell active region and the peripheral active region are defined by isolation regions. The semiconductor device further includes a first gate stack formed on the cell active region, a second gate stack formed on the peripheral active region, a cell epitaxial layer formed on an exposed portion of the cell active region, and a peripheral epitaxial layer formed on an exposed portion of the peripheral active region, wherein the height of the peripheral epitaxial layer is greater than the height of the cell epitaxial layer.
摘要:
Methods of forming a semiconductor cell array region, a method of forming a semiconductor device including the semiconductor cell array region, and a method of forming a semiconductor module including the semiconductor device are provided, the methods of forming the semiconductor cell array region include preparing a semiconductor plate. A semiconductor layer may be formed over the semiconductor plate. The semiconductor layer may be etched to form semiconductor pillars over the semiconductor plate.
摘要:
Integrated circuit devices are provided including a first single-crystalline layer and an insulating layer pattern on the first single-crystalline layer. The insulating layer pattern has an opening therein that partially exposes the first single-crystalline layer. A seed layer is in the opening. A second single-crystalline layer is on the insulating layer pattern and the seed layer. The second single-crystalline layer has a crystalline structure substantially the same as that of the seed layer. A transcription-preventing pattern is on the second single-crystalline layer and a third single-crystalline layer on the transcription-preventing pattern and the second single-crystalline layer. The transcription-preventing pattern is configured to limit transcription of defective portions in the second single-crystalline layer into the third single-crystalline layer.
摘要:
Embodiments of the invention provide a semiconductor integrated circuit device and a method for fabricating the device. The semiconductor device includes a semiconductor substrate having a cell region and a peripheral region, a cell active region formed in the cell region, and a peripheral active region formed in the peripheral region, wherein the cell active region and the peripheral active region are defined by isolation regions. The semiconductor device further includes a first gate stack formed on the cell active region, a second gate stack formed on the peripheral active region, a cell epitaxial layer formed on an exposed portion of the cell active region, and a peripheral epitaxial layer formed on an exposed portion of the peripheral active region, wherein the height of the peripheral epitaxial layer is greater than the height of the cell epitaxial layer.
摘要:
Metal-oxide-semiconductor (MOS) transistors having elevated source/drain regions and methods of fabricating the same are provided. The MOS transistors may include a gate pattern formed to cross over a predetermined region of a substrate. Recessed regions are provided in the substrate adjacent to the gate pattern. Epitaxial layers are provided on bottom surfaces of the recessed regions. High concentration impurity regions are provided in the epitaxial layers. The recessed regions may be formed using a chemical dry etching techniques.
摘要:
A method of fabricating a semiconductor device includes forming a buffer pattern on a substrate, the buffer pattern including germanium, recrystallizing the buffer pattern to form a strained relaxation buffer pattern, and forming a tensile silicon cap on the strained relaxation buffer pattern, the cap being under tensile strain.
摘要:
Embodiments of the present invention include heterogeneous substrates, integrated circuits formed on such heterogeneous substrates, and methods of forming such substrates and integrated circuits. The heterogeneous substrates according to certain embodiments of the present invention include a first Group IV semiconductor layer (e.g., silicon), a second Group IV pattern (e.g., a silicon-germanium pattern) that includes a plurality of individual elements on the first Group IV semiconductor layer, and a third Group IV semiconductor layer (e.g., a silicon epitaxial layer) on the second Group IV pattern and on a plurality of exposed portions of the first Group IV semiconductor layer. The second Group IV pattern may be removed in embodiments of the present invention. In these and other embodiments of the present invention, the third Group IV semiconductor layer may be planarized.