Atoms are implanted in a semiconductor region at a higher concentration in a peripheral part of the semiconductor region than in a central part of the semiconductor region. A metallic region is then formed to cover the semiconductor region. A heat treatment is the performed to form an intermetallic region from the metallic region and the semiconductor region.

A semiconductor device includes a base substrate; a plurality of doped regions formed in the base substrate; and a target capping layer formed on surfaces of the doped regions. The target capping layer includes a silicide region and a non-silicide region surrounding the silicide region, and the silicide region has a reduced thickness compared with a thickness of the non-silicide region. The semiconductor device further includes a metal silicide layer formed in the silicide region of the target capping layer and having the reduced thickness; a dielectric layer formed on the target capping layer and the base substrate; and a plurality of vias formed in the dielectric layer and connected to the metal silicide layer.

Field effect transistor and methods of forming the same are disclosed. The field effect transistor includes a gate electrode, a contact etch stop layer (CESL), an inter layer dielectric (ILD) and a protection layer. The CESL includes SiCON and is disposed on a sidewall of the gate electrode. The IDL is laterally adjacent to the gate electrode. The protection layer covers the CESL and is disposed between the CESL and the ILD.

An integrated circuit (IC) includes a substrate with a semiconductor surface layer including functional circuitry having a plurality of interconnected transistors including a dielectric layer thereon with a metal stack including a plurality of metal levels over the dielectric layer. A thin film resistor (TFR) layer including at least one metal is within the metal stack. At least one capacitor is within the metal stack including a capacitor dielectric layer over a metal bottom plate formed from one of the metal levels. The capacitor top plate is formed from the TFR layer on the capacitor dielectric layer and there is at least one resistor lateral to the capacitor formed from the same TFR layer.

The present description relates to the field of fabricating microelectronic devices having non-planar transistors. Embodiments of the present description relate to the formation of source/drain contacts within non-planar transistors, wherein a titanium-containing contact interface may be used in the formation of the source/drain contact with a discreet titanium silicide formed between the titanium-containing interface and a silicon-containing source/drain structure.

Embodiments of the present disclosure generally relate to methods and apparatus for depositing metal silicide layers on substrates and chamber components. In one embodiment, a method of forming a hardmask includes positioning the substrate having a target layer within a processing chamber, forming a seed layer comprising metal silicide on the target layer and depositing a tungsten-based bulk layer on the seed layer, wherein the metal silicide layer and the tungsten-based bulk layer form the hardmask. In another embodiment, a method of conditioning the components of a plasma processing chamber includes flowing an inert gas comprising argon or helium from a gas applicator into the plasma processing chamber, exposing a substrate support to a plasma within the plasma processing chamber and forming a seasoning layer including metal silicide on an aluminum-based surface of the substrate support.

A semiconductor device includes a source/drain region, a source/drain silicide layer formed on the source/drain region, and a first contact disposed over the source/drain silicide layer. The first contact includes a first metal layer, an upper surface of the first metal layer is at least covered by a silicide layer, and the silicide layer includes a same metal element as the first metal layer.

The present inventive concept is related to methods for passivating an oxide layer and methods of selectively depositing a metal, metal nitride, metal oxide, or metal silicide layer on a metal, metal oxide, or silicide layer over an oxide layer including exposing the oxide layer to a passivant that selectively binds to the oxide layer over the metal, metal oxide, or silicide layer, and selectively growing the metal, metal nitride, metal oxide or metal silicide layer on the metal, metal oxide or silicide layer.

A semiconductor device structure is provided. The semiconductor device structure includes a fin structure formed over a semiconductor substrate and a gate structure formed over the fin structure. The semiconductor device structure also includes an isolation feature over a semiconductor substrate and below the gate structure. The semiconductor device structure further includes two spacer elements respectively formed over a first sidewall and a second sidewall of the gate structure. The first sidewall is opposite to the second sidewall and the two spacer elements have hydrophobic surfaces respectively facing the first sidewall and the second sidewall. The gate structure includes a gate dielectric layer and a gate electrode layer separating the gate dielectric layer from the hydrophobic surfaces of the two spacer elements.

A semiconductor device includes a source/drain feature disposed over a substrate. The source/drain feature includes a first nanowire, a second nanowire disposed over the first nanowire, a cladding layer disposed over the first nanowire and the second nanowire and a spacer layer extending from the first nanowire to the second nanowire. The device also includes a conductive feature disposed directly on the source/drain feature such that the conductive feature physically contacts the cladding layer and the spacer layer.