摘要:
a manufacturing method of a semiconductor substrate includes the following steps: forming a first wiring layer on a substrate; forming an interlayer insulating film having a via hole on the wiring layer; forming carbon nanotubes in the via hole; performing a fluorination treatment entirely to the substrate; forming an embedded film in the via hole having the carbon nanotubes therein; and polishing the substrate to entirely flatten the substrate.
摘要:
A manufacturing method of a semiconductor substrate includes the following steps: forming a first wiring layer on a substrate; forming an interlayer insulating film having a via hole on the wiring layer; forming carbon nanotubes in the via hole; performing a fluorination treatment entirely to the substrate; forming an embedded film in the via hole having the carbon nanotubes therein; and polishing the substrate to entirely flatten the substrate.
摘要:
A semiconductor device of an embodiment includes: a substrate; a first catalytic metal film on the substrate; graphene on the first catalytic metal film; an interlayer insulating film on the graphene; a contact hole penetrating through the interlayer insulating film; a conductive film at the bottom portion of the contact hole, the conductive film being electrically connected to the graphene; a second catalytic metal film on the conductive film, the second catalytic metal film being subjected to plasma processing with at least one kind of gas selected from hydrogen, nitrogen, ammonia, and rare gas; and carbon nanotubes on the second catalytic metal film.
摘要:
A semiconductor device of an embodiment includes: a substrate; a first catalytic metal film on the substrate; graphene on the first catalytic metal film; an interlayer insulating film on the graphene; a contact hole penetrating through the interlayer insulating film; a conductive film at the bottom portion of the contact hole, the conductive film being electrically connected to the graphene; a second catalytic metal film on the conductive film, the second catalytic metal film being subjected to plasma processing with at least one kind of gas selected from hydrogen, nitrogen, ammonia, and rare gas; and carbon nanotubes on the second catalytic metal film.
摘要:
A semiconductor device according to the present embodiment includes a diamond substrate having a surface plane inclined from a (100) plane in a range of 10 degrees to 40 degrees in a direction of ±10 degrees, and an n-type diamond semiconductor layer containing phosphorus (P) and formed above the surface plane described above.
摘要:
A carbon nanotube manufacturing apparatus includes a plasma generating unit that generates plasma including ions, radicals, and electrons, from gas; a carbon nanotube manufacturing unit that manufactures carbon nanotubes from the radicals; a shielding electrode unit that is provided between the plasma generating unit and the carbon nanotube manufacturing unit and prevents the ions and the electrons from entering the carbon nanotube manufacturing unit; and a bias applying unit that applies a voltage to the shielding electrode unit, wherein the shielding electrode unit includes at least two first shielding electrodes that are arranged one above another, each of the first shielding electrodes having at least one opening.
摘要:
According to the embodiment, an electron emission element includes a conductive substrate, a first diamond layer of a first conductivity type formed on the conductive substrate, and a second diamond layer of the first conductivity type formed on the first diamond layer. Thereby, it becomes possible to provide the electron emission element having a high electron emission amount and a high current density even in a low electric field at low temperature and the electron emission apparatus using this electron emission element.
摘要:
In the growth of carbon nanotubes, the aggregation of catalytic fine particles therefor is a problem. In order to realize the growth of carbon nanotubes into a high density, the carbon nanotube growing process includes a first plasma treatment step of treating a surface having catalytic fine particles with a plasma species generated from a gas which contains at least hydrogen or a rare gas without carbon element, a second plasma treatment step of forming a carbon layer on the surface of the catalytic fine particles by a plasma generated from a gas which contains at least a hydrocarbon after the first plasma treatment step, and a carbon nanotube growing step of growing carbon nanotubes by use of a plasma generated from a gas which contains at least a hydrocarbon after the second plasma treatment step.
摘要:
A semiconductor device according to the present embodiment includes a diamond substrate having a surface plane inclined from a (100) plane in a range of 10 degrees to 40 degrees in a direction of ±10 degrees, and an n-type diamond semiconductor layer containing phosphorus (P) and formed above the surface plane described above.
摘要:
In the growth of carbon nanotubes, the aggregation of catalytic fine particles therefor is a problem. In order to realize the growth of carbon nanotubes into a high density, the carbon nanotube growing process includes a first plasma treatment step of treating a surface having catalytic fine particles with a plasma species generated from a gas which contains at least hydrogen or a rare gas without carbon element, a second plasma treatment step of forming a carbon layer on the surface of the catalytic fine particles by a plasma generated from a gas which contains at least a hydrocarbon after the first plasma treatment step, and a carbon nanotube growing step of growing carbon nanotubes by use of a plasma generated from a gas which contains at least a hydrocarbon after the second plasma treatment step.