H01L29/78681

FIELD EFFECT TRANSISTOR, ELECTRONIC APPARATUS INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE FIELD EFFECT TRANSISTOR

Provided are a field effect transistor, an electronic apparatus including the same, and a method of manufacturing the field effect transistor. The field effect transistor may include a substrate; a gate electrode on the substrate; an insulating layer on the gate electrode; a source electrode on the insulating layer; a drain electrode apart from the source electrode; a channel between the source electrode and the drain electrode and including a two-dimensional (2D) material; a 2D material electrode bonding layer adjacent to the source electrode and the drain electrode; and a stressor adjacent to the 2D material electrode bonding layer. The stressor may be configured to apply a tensile strain to the 2D material electrode bonding layer.

ARTIFICIAL TWO-DIMENSIONAL MATERIAL AND MEHOD OF MANUFACTURING SAME
20230108628 · 2023-04-06 ·

An artificial two-dimensional (2D) material includes a layered atomic structure including a middle atomic layer, a lower atomic layer, and an upper atomic layer. The lower and upper atomic layers are disposed on lower and upper surfaces of the middle atomic layer respectively. The middle atomic layer is a 2D planar atomic structure formed of a transition metal. The lower and upper atomic layers are a 2D planar atomic structure formed of heterogeneous atoms. Atoms of the layered atomic structure are bound by chemical bonding.

Vertical metal oxide semiconductor field effect transistor (MOSFET) and a method of forming the same
11621346 · 2023-04-04 · ·

A vertical metal oxide semiconductor field effect transistor (MOSFET) and a method for forming a vertical MOSFET is presented. The MOSFET comprises: a top contact; a bottom contact; a nanowire (602) forming a charge transport channel between the top contact and the bottom contact; and a wrap-around gate (650) enclosing the nanowire (602) circumference, the wrap-around gate (650) having an extension spanning over a portion of the nanowire (602) in a longitudinal direction of the nanowire (602), wherein the wrap-around gate (650) comprises a gate portion (614) and a field plate portion (616) for controlling a charge transport in the charge transport channel, and wherein the field plate portion (616) is arranged at a first radial distance (636) from the center of the nanowire (602) and the gate portion (614) is arranged at a second radial distance (634) from the center of the nanowire (602); characterized in that the first radial distance (636) is larger than the second radial distance (634).

Semiconductor devices and methods of fabricating the same
11621353 · 2023-04-04 · ·

Semiconductor devices having improved electrical characteristics are described, as are methods of fabricating the same. The semiconductor device may include a first gate electrode on a substrate and extending in a first direction, a second gate electrode on the substrate and running across the first gate electrode while extending in a second direction, and a channel structure between the second gate electrode and lateral surfaces in the second direction of the first gate electrode and between the second gate electrode and a top surface of the first gate electrode. The channel structure may include a first dielectric layer that covers in contact with the lateral surfaces and the top surface of the first gate electrode; a second dielectric layer on the first dielectric layer and in contact with the second gate electrode; and a channel layer between the first dielectric layer and the second dielectric layer.

PLANAR TRANSISTOR DEVICE COMPRISING AT LEAST ONE LAYER OF A TWO-DIMENSIONAL (2D) MATERIAL

A planar transistor device is disclosed including a gate structure positioned above a semiconductor substrate, the semiconductor substrate comprising a substantially planar upper surface, a channel region, a source region, a drain region, and at least one layer of a two-dimensional (2D) material that is positioned in at least one of the source region, the drain region or the channel region, wherein the layer of 2D material has a substantially planar upper surface, a substantially planar bottom surface and a substantially uniform vertical thickness across an entire length of the layer of 2D material in the gate length direction and across an entire width of the layer of 2D material in the gate width direction, wherein the substantially planar upper surface and the substantially planar bottom surface of the layer of 2D material are positioned approximately parallel to a substantially planar surface of the semiconductor substrate.

SEMICONDUCTOR DEVICE
20230207567 · 2023-06-29 ·

A semiconductor device with a novel structure is provided. The semiconductor device includes a current-to-voltage conversion portion, a current switch portion, a voltage-to-current conversion portion, and a control portion. The current switch portion includes a first transistor. The voltage-to-current conversion portion includes a second transistor. The control portion includes a third transistor. The first transistor includes an oxide semiconductor in a channel formation region. The second transistor includes a nitride semiconductor in a channel formation region. The third transistor includes silicon in a channel formation region. The first transistor is provided over a first substrate. The second transistor and the third transistor are provided over a second substrate.

Tunnel field effect transistor (TFET) with lateral oxidation

A vertical-mode tunnel field-effect transistor (TFET) is provided with an oxide region that may be laterally positioned relative to a source region. The oxide region operates to reduce a tunneling effect in a tunnel region underlying a drain region, during an OFF-state of the TFET. The reduction in tunneling effect results in a reduction or elimination of a flow of OFF-state leakage current between the source region and the drain region. The TFET may have components made from group III-V compound materials.

Nano-structure assembly and nano-device comprising same
09853106 · 2017-12-26 · ·

Provided are a nano-structure assembly including an insulating substrate; and a nano-structure formed on the insulating substrate, and a nano-device including the same.

Method for manufacturing semiconductor device

A method for manufacturing a semiconductor device includes forming a source and region in a substrate. A core channel region is formed adjacent the source region. A barrier layer is formed adjacent the core channel region. A drain region is formed in the substrate such that the barrier layer is between the core channel region and the drain region. A first portion of a shell is formed along the core channel region. A second portion of the shell is formed along the barrier layer. The second portion of the shell includes a different material than the first portion of the shell.

Thin film transistor based memory cells on both sides of a layer of logic devices

Described herein are IC devices that include TFT based memory arrays on both sides of a layer of logic devices. An example IC device includes a support structure (e.g., a substrate) on which one or more logic devices may be implemented. The IC device further includes a first memory cell on one side of the support structure, and a second memory cell on the other side of the support structure, where each of the first memory cell and the second memory cell includes a TFT as an access transistor. Providing TFT based memory cells on both sides of a layer of logic devices allows significantly increasing density of memory cells in a memory array having a given footprint area, or, conversely, significantly reducing the footprint area of the memory array with a given memory cell density.