摘要:
Disclosed are a muli-bit non-volatile memory device, a method of operating the same, and a method of manufacturing the multi-bit non-volatile memory device. A unit cell of the muli-bit non-volatile memory device may be formed on a semiconductor substrate may include: a plurality of channels disposed perpendicularly to the upper surface of the semiconductor substrate; a plurality of storage nodes disposed on opposite sides of the channels perpendicularly the upper surface of the semiconductor substrate; a control gate surrounding upper portions of the channels and the storage nodes, and side surfaces of the storage nodes; and an insulating film formed between the channels and the storage nodes, between the channels and the control gate, and between the storage nodes and the control gate.
摘要:
A method of fabricating memory with nano dots includes sequentially depositing a first insulating layer, a charge storage layer, a sacrificial layer, and a metal layer on a substrate in which source and drain electrodes are formed, forming a plurality of holes on the resultant structure by anodizing the metal layer and oxidizing portions of the sacrificial layer that are exposed through the holes, patterning the charge storage layer to have nano dots by removing the oxidized metal layer, and etching the sacrificial layer and the charge storage layer using the oxidized sacrificial layer as a mask, and removing the oxidized sacrificial layer, depositing a second insulating layer and a gate electrode on the patterned charge storage layer, and patterning the first insulating layer, the patterned charge storage layer, the second insulating layer, and the gate electrode to a predetermined shape, for forming memory having uniformly distributed nano-scale storage nodes.
摘要:
Example embodiments relate to methods of manufacturing and transferring a larger-sized graphene layer. A method of transferring a larger-sized graphene layer may include forming a graphene layer, a protection layer, and an adhesive layer on a substrate and removing the substrate. The graphene layer may be disposed on a transferring substrate by sliding the graphene layer onto the transferring substrate.
摘要:
A graphene electronic device and a method of fabricating the graphene electronic device are provided. The graphene electronic device may include a graphene channel layer formed on a hydrophobic polymer layer, and a passivation layer formed on the graphene channel layer. The hydrophobic polymer layer may prevent or reduce adsorption of impurities to transferred graphene, and a passivation layer may also prevent or reduce adsorption of impurities to a heat-treated graphene channel layer.
摘要:
The graphene electronic device may include a gate oxide on a conductive substrate, the conductive substrate configured to function as a gate electrode, a pair of first metals on the gate oxide, the pair of the first metals separate from each other, a graphene channel layer extending between the first metals and on the first metals, and a source electrode and a drain electrode on both edges of the graphene channel layer.
摘要:
An oscillator generates a signal using precession of a magnetic moment of a magnetic domain wall. The oscillator includes a free layer having the magnetic domain wall and a fixed layer corresponding to the magnetic domain wall. A non-magnetic separation layer is interposed between the free layer and the fixed layer.
摘要:
An electronic device, a transparent display and methods for fabricating the same are provided, the electronic device including a first, a second and a third element each formed of a two-dimensional (2D) sheet material. The first, second, and third elements are stacked in a sequential order or in a reverse order. The second element is positioned between the first element and the third element. The second element has an insulator property, the first and third elements have a metal property or a semiconductor property.
摘要:
Provided is an electromechanical switch and a method of manufacturing the same. The electromechanical switch includes an elastic conductive layer that moves by the application of an electric field, wherein the elastic conductive layer includes at least one layer of graphene.
摘要:
In a semiconductor device including graphene, a gate insulating layer may be formed between a gate electrode and a graphene layer, and an interlayer insulating layer may be formed under a portion of the graphene layer under which the gate insulating layer is not formed. The gate insulating layer may include a material that has higher dielectric permittivity than the interlayer insulating layer.
摘要:
Field effect transistors, methods of fabricating a carbon insulating layer using molecular beam epitaxy and methods of fabricating a field effect transistor using the same are provided, the methods of fabricating the carbon insulating layer include maintaining a substrate disposed in a molecular beam epitaxy chamber at a temperature in a range of about 300° C. to about 500° C. and maintaining the chamber in vacuum of 10−11 Torr or less prior to performing an epitaxy process, and supplying a carbon source to the chamber to form a carbon insulating layer on the substrate. The carbon insulating layer is formed of diamond-like carbon and tetrahedral amorphous carbon.