Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.

Abstract: A biosensor including: a first electrode; a second electrode spaced from the first electrode; a channel unit electrically connected at a portion with the first electrode and electrically connected at another portion with the second electrode; a stimuli source electrically connected with the channel unit and applying an electric stimulus; and probes connected to the channel unit and complementarily bound with target materials to sense.

Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.

Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.

Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.

Abstract: Disclosed are a biomolecular sensor and a method of fabricating the same having high sensitivity and resolution by using a plurality of metal plates that change electrical properties of a plurality of nanostructures according to the attachment of biomolecules. The biomolecular sensor includes a substrate, first and second electrodes disposed to be spaced apart from each other on the substrate, a plurality of nanostructures disposed on the substrate to connect the first and second electrodes to each other, and a plurality of metal plates that change electrical properties of the plurality of nanostructures according to the attachment of biomolecules.

Abstract: A binding enhancing apparatus according to the present invention includes: a first electrode; a second electrode spaced from the first electrode; a channel unit electrically connected at a portion with the first electrode and electrically connected at another portion with the second electrode; a stimuli source electrically connected with the channel unit and applying an electric stimulus; and probes connected to the channel unit and complementarily bound with target materials to sense.

Abstract: Disclosed are a biomolecular sensor and a method of fabricating the same having high sensitivity and resolution by using a plurality of metal plates that change electrical properties of a plurality of nanostructures according to the attachment of biomolecules. The biomolecular sensor includes a substrate, first and second electrodes disposed to be spaced apart from each other on the substrate, a plurality of nanostructures disposed on the substrate to connect the first and second electrodes to each other, and a plurality of metal plates that change electrical properties of the plurality of nanostructures according to the attachment of biomolecules.