Patent classifications
H01L29/6684
Electronic device and method of manufacturing the same
Provided are an electronic device and a method of manufacturing the same. The electronic device may include a first device provided on a first region of a substrate; and a second device provided on a second region of the substrate, wherein the first device may include a first domain layer including a ferroelectric domain and a first gate electrode on the first domain layer, and the second device may include a second domain layer including a ferroelectric domain and a second gate electrode on the second domain layer. The first domain layer and the second domain layer may have different characteristics from each other at a polarization change according to an electric field. At the polarization change according to the electric field, the first domain layer may have substantially a non-hysteretic behavior characteristic and the second domain layer may have a hysteretic behavior characteristic.
Ferroelectric field effect transistor
Semiconductor devices and methods of forming the same are provided. A semiconductor device according to the present disclosure includes a first gate electrode, a ferroelectric insulating layer over the first gate electrode, a semiconductor member over the ferroelectric insulating layer, a gate dielectric layer over the semiconductor member, and a second gate electrode over the gate dielectric layer.
Gate-all-around device with trimmed channel and dipoled dielectric layer and methods of forming the same
Semiconductor device and the manufacturing method thereof are disclosed. An exemplary method comprises forming a first stack structure and a second stack structure in a first area over a substrate, wherein each of the stack structures includes semiconductor layers separated and stacked up; depositing a first interfacial layer around each of the semiconductor layers of the stack structures; depositing a gate dielectric layer around the first interfacial layer; forming a dipole oxide layer around the gate dielectric layer; removing the dipole oxide layer around the gate dielectric layer of the second stack structure; performing an annealing process to form a dipole gate dielectric layer for the first stack structure and a non-dipole gate dielectric layer for the second stack structure; and depositing a first gate electrode around the dipole gate dielectric layer of the first stack structure and the non-dipole gate dielectric layer of the second stack structure.
Gate Stack Treatment For Ferroelectric Transistors
The present disclosure describes a device that is protected from the effects of an oxide on the metal gate layers of ferroelectric field effect transistors. In some embodiments, the device includes a substrate with fins thereon; an interfacial layer on the fins; a crystallized ferroelectric layer on the interfacial layer; and a metal gate layer on the ferroelectric layer,
FERROELECTRIC GATE STACK FOR BAND-TO-BAND TUNNELING REDUCTION
Techniques are disclosed for an integrated circuit including a ferroelectric gate stack including a ferroelectric layer, an interfacial oxide layer, and a gate electrode. The ferroelectric layer can be voltage activated to switch between two ferroelectric states. Employing such a ferroelectric layer provides a reduction in leakage current in an off-state and provides an increase in charge in an on-state. The interfacial oxide layer can be formed between the ferroelectric layer and the gate electrode. Alternatively, the ferroelectric layer can be formed between the interfacial oxide layer and the gate electrode.
3T MEMORY WITH ENHANCED SPEED OF OPERATION AND DATA RETENTION
A memory device including a plurality of memory cells, at least one of the plurality of memory cells includes a first transistor, a second transistor, and a third transistor. The first transistor includes a first drain/source path and a first gate structure electrically coupled to a write word line. The second transistor includes a second drain/source path and a second gate structure electrically coupled to the first drain/source path of the first transistor. The third transistor includes a third drain/source path electrically coupled to the second drain/source path of the second transistor and a third gate structure electrically coupled to a read word line. Where, the first transistor, and/or the second transistor, and/or the third transistor is a ferroelectric field effect transistor or a negative capacitance field effect transistor.
High performance and low power semiconductor device
Processing methods may be performed to form an airgap in a semiconductor structure. The methods may include forming a high-k material on a floor of a trench. The trench may be defined on a semiconductor substrate between sidewalls of a first material and a spacer material. The methods may include forming a gate structure on the high-k material. The gate structure may contact the first material along each sidewall of the trench. The methods may also include etching the first material. The etching may form an airgap adjacent the gate structure.
Ferroelectric transistors and assemblies comprising ferroelectric transistors
Some embodiments include a ferroelectric transistor having a first electrode and a second electrode. The second electrode is offset from the first electrode by an active region. A transistor gate is along a portion of the active region. The active region includes a first source/drain region adjacent the first electrode, a second source/drain region adjacent the second electrode, and a body region between the first and second source/drain regions. The body region includes a gated channel region adjacent the transistor gate. The active region includes at least one barrier between the second electrode and the gated channel region which is permeable to electrons but not to holes. Ferroelectric material is between the transistor gate and the gated channel region.
SEMICONDUCTOR DIES INCLUDING LOW AND HIGH WORKFUNCTION SEMICONDUCTOR DEVICES
A semiconductor die comprises a first set of semiconductor devices disposed at a first location of the semiconductor die and a second set of semiconductor devices disposed at a second location of the semiconductor die different from the first location. Each of the first set of semiconductor devices have a first workfunction to cause each of the first set of semiconductor devices to store memory for a first time period. Moreover, each of the second set of semiconductor devices have a second workfunction that is higher greater than the first workfunction to cause each of the second set of semiconductor devices to store memory for a second time period greater than the first time period.
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
A semiconductor device includes a transistor. The transistor includes a gate electrode, a channel layer, a gate dielectric layer, a first source/drain region and a second source/drain region and a first spacer. The channel layer is disposed on the gate electrode. The gate dielectric layer is located between the channel layer and the gate electrode. The first source/drain region and the second source/drain region are disposed on the channel layer at opposite sides of the gate electrode, and at least one of the first and second source/drain regions includes a first portion and a second portion between the first portion and the gate electrode. The first spacer is disposed on the channel layer. The first spacer is disposed on a first sidewall of the second portion of the at least one of the first and second source/drain regions, and the first portion is disposed on the first spacer.