摘要:
In a multilayer structure and a method of forming the same, a conductive layer including a metal nitride and a dielectric layer positioned on a surface of the conductive layer and having a high dielectric constant. The metal nitride comprises one of niobium, vanadium and compositions thereof. Thus, the EOT and leakage current of the multilayer structure may be sufficiently improved.
摘要:
A method of forming a metal thin film can reduce leakage current while improving electric properties by improving step coverage of a device. The method of forming a metal thin film includes supplying a metal precursor including chlorine, purging byproducts produced after the supplying of the metal precursor by injecting a purge gas, supplying a reactant to allow the reactant and the metal precursor to react with each other to form a thin film layer, and purging the byproducts produced after the reaction by injecting a purge gas, wherein before the supplying of the metal precursor, the method further includes supplying a reactant to be adsorbed on a treated product.
摘要:
Methods of fabricating a semiconductor device include forming a deposited film on a semiconductor substrate in a process chamber by repeatedly forming unit layers on the semiconductor substrate. The unit layer is formed by forming a preliminary unit layer on the semiconductor substrate by supplying a process material including a precursor material and film-control material into the process chamber, purging the process chamber, forming a unit layer from the preliminary unit layer, and again purging the process chamber. The precursor material includes a central atom and a ligand bonded to the central atom, and the film-control material includes a hydride of the ligand.
摘要:
Provided is a method of forming a metal thin film which can reduce leakage current while improving electric properties by improving step coverage of a device. The method of forming a metal thin film includes supplying a metal precursor including chlorine, purging byproducts produced after the supplying of the metal precursor by injecting a purge gas, supplying a reactant to allow the reactant and the metal precursor to react with each other to form a thin film layer, and purging the byproducts produced after the reaction by injecting a purge gas, wherein before the supplying of the metal precursor, the method further includes supplying a reactant to be adsorbed on a treated product.
摘要:
Example embodiments relate to a semiconductor device including an oxide dielectric layer and a non-oxide dielectric layer, a method of fabricating the device, and a semiconductor module, an electronic circuit board, and an electronic system including the device. The semiconductor device may include a lower electrode, an oxide dielectric layer disposed on the lower electrode, a non-oxide dielectric layer disposed on the oxide dielectric layer, and an upper electrode disposed on the non-oxide dielectric layer.
摘要:
To form a dielectric layer, an organometallic precursor is adsorbed on a substrate loaded into a process chamber. The organometallic precursor includes a central metal and ligands bound to the central metal. An inactive oxidant is provided onto the substrate. The inactive oxidant is reactive with the organometallic precursor. An active oxidant is also provided onto the substrate. The active oxidant has a higher reactivity than that of the inactive oxidant.
摘要:
Methods of fabricating a semiconductor device include forming a deposited film on a semiconductor substrate in a process chamber by repeatedly forming unit layers on the semiconductor substrate. The unit layer is formed by forming a preliminary unit layer on the semiconductor substrate by supplying a process material including a precursor material and film-control material into the process chamber, purging the process chamber, forming a unit layer from the preliminary unit layer, and again purging the process chamber. The precursor material includes a central atom and a ligand bonded to the central atom, and the film-control material includes a hydride of the ligand.
摘要:
Provided are a semiconductor device, a method of fabricating the same, and a semiconductor module, an electronic circuit board, and an electronic system including the device. The semiconductor device includes a lower electrode, a rutile state lower vanadium dioxide layer on the lower electrode, a rutile state titanium oxide on the lower vanadium dioxide layer, and an upper electrode on the titanium oxide layer.
摘要:
A capacitor includes a substrate, a plurality of first storage electrodes, a plurality of second storage electrodes, a first supporting layer pattern, a dielectric layer and a plate electrode. A plurality of contact pads is formed I the substrate. The first storage electrodes are arranged along lines parallel with a first direction and electrically connected to the contact pads, respectively. The second storage electrodes are respectively stacked on the first storage electrodes. The first supporting layer pattern extends in a direction parallel with the first direction between adjacent second storage electrodes and makes contact with the adjacent second storage electrodes to support the second storage electrodes. The dielectric layer is formed on the first and second storage electrodes. The plate electrode is formed on the dielectric layer.
摘要:
A phase changeable memory cell array region includes a lower interlayer insulating layer disposed on a semiconductor substrate. The region also includes a plurality of conductive plugs disposed through the lower interlayer insulating layer. The region also includes a phase changeable material pattern operably disposed on the lower interlayer insulating layer, the phase changeable pattern covering at least two of the plurality of conductive plugs, wherein the phase changeable material pattern includes a plurality of first regions in contact with one or more of the plurality of conductive plugs and at least one second region interposed between the plurality of the first regions, wherein the at least one second region has a lower thermal conductivity than the plurality of first regions. The phase changeable memory cell array region also includes an upper interlayer insulating layer covering at least one of the phase changeable material pattern and the lower interlayer insulating layer. The region also includes conductive patterns disposed through the upper interlayer insulating layer and electrically connected to a plurality of predetermined regions of the plurality of first regions.