Abstract: A semiconductor structure includes a channel layer including an oxide semiconductor material, source/drain contacts disposed below the channel layer, and barrier regions that are in contact with the channel layer and that surround the source/drain contacts, respectively. Each of the barrier regions includes a material that receives hydrogen. A method for manufacturing the semiconductor structure is also provided.

Abstract: A transistor includes a gate electrode, a gate dielectric located over the gate electrode, a channel layer that includes an oxide semiconductor material and that is located over the gate dielectric, a buffer located to cover at least a portion of the channel layer, and source/drain contacts disposed on the buffer. The buffer includes a material that receives hydrogen. A method for manufacturing the transistor is also provided.

Abstract: A semiconductor device includes a channel layer, source/drain contacts, and first barrier liners. The channel layer includes an oxide semiconductor material. The source/drain contacts are disposed in electrical contact with the channel layer. The first barrier liners surround the source/drain contacts, respectively, and include a hydrogen barrier material so as to prevent hydrogen from diffusion through the first barrier liners to the channel layer.

Abstract: A semiconductor device and a manufacturing method thereof are provided. The semiconductor device has a semiconductor layer and a gate structure located on the semiconductor layer. The semiconductor device has source and drain terminals disposed on the semiconductor layer, and a binary oxide layer located between the semiconductor layer and the source and drain terminals.

Abstract: A memory device is provided, which may include a first electrode, a memory layer stack including at least one semiconducting metal oxide layer and at least one hydrogen-containing metal layer, and a second electrode. A semiconductor device is provided, which may include a semiconducting metal oxide layer containing a source region, a drain region, and a channel region, a hydrogen-containing metal layer located on a surface of the channel region, and a gate electrode located on the hydrogen-containing metal layer. Each hydrogen-containing metal layer may include at least one metal selected from platinum, iridium, osmium, and ruthenium at an atomic percentage that is at least 90%, and may include hydrogen atoms at an atomic percentage in a range from 0.001% to 10%. Hydrogen atoms may be reversibly impregnated into a respective semiconducting metal oxide layer to change resistivity and to encode a memory bit.

Abstract: A method of forming a semiconductor device includes forming source/drain contact openings extending through at least one dielectric layer to expose source/drain contact regions of source/drain structures. The method further includes depositing a light blocking layer along sidewalls and bottom surfaces of the source/drain contact openings and a topmost surface of the at least one dielectric layer. The method further includes performing a laser annealing process to activate dopants in the source/drain contact region. The method further includes forming source/drain contact structures within source/drain contact openings.

Abstract: The current disclosure describes techniques for forming semiconductor structures having multiple semiconductor strips configured as channel portions. In the semiconductor structures, diffusion break structures are formed after the gate structures are formed so that the structural integrity of the semiconductor strips adjacent to the diffusion break structures will not be compromised by a subsequent gate formation process. The diffusion break extends downward from an upper surface until all the semiconductor strips of the adjacent channel portions are truncated by the diffusion break.

Abstract: A semiconductor device includes a power switch circuit and a logic circuit. The semiconductor device includes a first dielectric layer and a thin film transistor (TFT) formed on the first dielectric layer. The TFT includes a semiconductor nano-sheet, a gate dielectric layer wrapping around a channel region of the semiconductor nano-sheet, and a gate electrode layer formed on the gate dielectric layer. The semiconductor nano-sheet is made of an oxide semiconductor material.

Abstract: In an embodiment, a device includes: a semiconductor substrate having a channel region; a gate stack over the channel region; and an epitaxial source/drain region adjacent the gate stack, the epitaxial source/drain region including: a main portion in the semiconductor substrate, the main portion including a semiconductor material doped with gallium, a first concentration of gallium in the main portion being less than the solid solubility of gallium in the semiconductor material; and a finishing portion over the main portion, the finishing portion doped with gallium, a second concentration of gallium in the finishing portion being greater than the solid solubility of gallium in the semiconductor material.

Abstract: A method of forming a semiconductor device includes forming source/drain contact openings extending through at least one dielectric layer to expose source/drain contact regions of source/drain structures. The method further includes depositing a light blocking layer along sidewalls and bottom surfaces of the source/drain contact openings and a topmost surface of the at least one dielectric layer. The method further includes performing a laser annealing process to activate dopants in the source/drain contact region. The method further includes forming source/drain contact structures within source/drain contact openings.

Abstract: The current disclosure describes techniques for forming semiconductor structures having multiple semiconductor strips configured as channel portions. In the semiconductor structures, diffusion break structures are formed after the gate structures are formed so that the structural integrity of the semiconductor strips adjacent to the diffusion break structures will not be compromised by a subsequent gate formation process. The diffusion break extends downward from an upper surface until all the semiconductor strips of the adjacent channel portions are truncated by the diffusion break.

Abstract: The present disclosure relates to an integrated chip including a semiconductor device. The semiconductor device includes a gate structure overlying a front-side surface of a first substrate. The first substrate has a back-side surface opposite the front-side surface. A first source/drain structure overlies the first substrate and is laterally adjacent to the grate structure. A power rail is embedded in the first substrate and directly underlies the first source/drain structure. A first source/drain contact continuously extends from the first source/drain structure to the power rail. The first source/drain contact electrically couples the first source/drain structure to the power rail.

Abstract: A semiconductor device includes a semiconductor substrate, a first source region, a first drain region, a first gate, a second source region, a second drain region, a second gate, and a first dielectric layer. The first source region and the first drain region are disposed within the semiconductor substrate. The first gate is disposed over the semiconductor substrate in between the first source region and the first drain region. The second source region and the second drain region are disposed within the semiconductor substrate. The second gate is disposed over the semiconductor substrate in between the second source region and the second drain region. The first dielectric layer is located in between the first gate and the semiconductor substrate, and in between the second gate and the semiconductor substrate, wherein the first dielectric layer extends from a position below the first gate to a position below the second gate.

Abstract: A semiconductor device includes a power switch circuit and a logic circuit. The semiconductor device includes a first dielectric layer and a thin film transistor (TFT) formed on the first dielectric layer. The TFT includes a semiconductor nano-sheet, a gate dielectric layer wrapping around a channel region of the semiconductor nano-sheet, and a gate electrode layer formed on the gate dielectric layer. The semiconductor nano-sheet is made of an oxide semiconductor material.

Abstract: In a method of forming a gate-all-around field effect transistor (GAA FET), a fin structure including CNTs embedded in a semiconductor layer is formed, a sacrificial gate structure is formed over the fin structure, the semiconductor layer is doped at a source/drain region of the fin structure, an isolation insulating layer is formed, a source/drain opening is formed by patterning the isolation insulating layer, and a source/drain contact layer is formed over the doped source/drain region of the fin structure.

Abstract: In an embodiment, a device includes: a semiconductor substrate having a channel region; a gate stack over the channel region; and an epitaxial source/drain region adjacent the gate stack, the epitaxial source/drain region including: a main portion in the semiconductor substrate, the main portion including a semiconductor material doped with gallium, a first concentration of gallium in the main portion being less than the solid solubility of gallium in the semiconductor material; and a finishing portion over the main portion, the finishing portion doped with gallium, a second concentration of gallium in the finishing portion being greater than the solid solubility of gallium in the semiconductor material.

Abstract: A semiconductor device includes a substrate, a semiconductor fin, a source/drain structure, a first buried power line, a contact, a first through substrate via (TSV), and a second TSV. The substrate has a well region extending a frontside surface of the substrate into the substrate. The semiconductor fin is on the well region. The source/drain structure is on the semiconductor fin. The first buried power line is electrically coupled to the source/drain structure on the first semiconductor fin. The first buried power line has a length extending along a lengthwise direction of the first semiconductor fin and a height extending within the well region. The first TSV extends from a backside surface of the substrate through the substrate to the first buried power line. The second TSV extends from the backside surface of the substrate to the well region.

Abstract: A semiconductor device includes a storage element layer and a selector. The selector is electrically coupled to the storage element layer, and includes a first insulating layer, a second insulating layer, a third insulating layer, a first conductive layer and a second conductive layer. The first insulating layer, the second insulating layer and the third insulating layer are stacked up in sequence, wherein the second insulating layer is sandwiched in between the first insulating layer and the third insulating layer, and the first insulating layer and the third insulating layer include materials with higher band gap as compared with a material of the second insulating layer. The first conductive layer is connected to the first insulting layer, and the second conductive layer is connected to the third insulating layer.

Abstract: A ferroelectric field effect transistor includes a semiconductor substrate that contains a semiconductor channel that extends between a source region and a drain region. A ferroelectric gate dielectric layer is disposed over the semiconductor channel, and includes a ferroelectric material having a charge trapping band including electronic states generated by interfacial traps of the ferroelectric material. A gate electrode is located on the ferroelectric gate dielectric layer, and is configured to provide an on-state and an off-state for the ferroelectric field effect transistor through application of an on-voltage and an off-voltage, respectively, from a gate bias circuit. An energy level of the charge trapping band during the on-state is offset from an energy level of minority charge carriers of the semiconductor channel.

Abstract: A semiconductor structure includes a substrate; a resistance variable layer disposed over the substrate; a gate structure disposed over the resistance variable layer; a dielectric layer disposed over the resistance variable layer and surrounding the gate structure; a first contact plug disposed over the resistance variable layer and extending through the dielectric layer; and a second contact plug disposed over the resistance variable layer and opposite to the first contact plug and extending through the dielectric layer, wherein the resistance variable layer is semiconductive and ferroelectric,