摘要:
A modified PbZrTiO3 perovskite crystal material thin film, wherein the PbZrTiO3 perovskite crystal material includes crystal lattice A-sites and B-sites at least one of which is modified by the presence of a substituent selected from the group consisting of (i) A-site substituents consisting of Sr, Ca, Ba and Mg, and (ii) B-site substituents selected from the group consisting of Nb and Ta. The perovskite crystal thin film material may be formed by liquid delivery MOCVD from metalorganic precursors of the metal components of the thin film, to form PZT and PSZT, and other piezoelectric and ferroelectric thin film materials. The thin films of the invention have utility in non-volatile ferroelectric memory devices (NV-FeRAMs), and in microelectromechanical systems (MEMS) as sensor and/or actuator elements, e.g., high speed digital system actuators requiring low input power levels.
摘要:
An indium precursor composition having utility for incorporation of indium in a microelectronic device structure, e.g., as an indium-containing film on a device substrate by bubbler or liquid delivery MOCVD techniques, or as a dopant species incorporated in a device substrate by ion implantation techniques. The precursor composition includes a precursor of the formula R1R2InL wherein: R1 and R2 may be same or different and are independently selected from C6-C10 aryl, C6-C10 fluoroaryl, C6-C10 perfluoroaryl, C1-C6 alkyl, C1-C6 fluoroalkyl, or C1-C6 perfluoroalkyl; and L is &bgr;-diketonato or carboxylate. Indium-containing metal films may be formed on a substrate, such as indium-copper metallization, and shallow junction indium ion-implanted structures may be formed in integrated circuitry, using the precursors of the invention.
摘要:
Chemical vapor deposition is used to form a film of Bi oxide, Sr oxide, and Ta oxide on a heated substrate by decomposing the precursors of these oxides at the surface of the substrate. The precursor of Bi oxide is a Bi complex which includes at least one carboxylate group and is decomposed and deposited at a temperature lower than 450° C. The film of Bi, Sr, and Ta oxides obtained by low-temperature CVD is predominantly non-ferroelectric, but can be converted into a ferroelectric film by a subsequent heating process.
摘要:
A metal hydride derivative wherein at least one hydrogen atom is replaced by deuterium (.sup.2.sub.1 H) or tritium (.sup.3.sub.1 H) isotope. The metal constituent of such metal hydride may be a Group III, IV or V metal or a transition metal, e.g., antimony, aluminum, gallium, tin, or germanium. The isotopically stabilized metal hydride derivatives of the invention are useful as metal source compositions for chemical vapor deposition, assisted chemical vapor deposition (e.g., laser-assisted chemical vapor deposition, light-assisted chemical vapor deposition, plasma-assisted chemical vapor deposition and ion-assisted chemical vapor deposition), ion implantation, molecular beam epitaxy, and rapid thermal processing.
摘要:
A method and apparatus for forming a low dielectric constant polymeric film on a substrate, by liquid delivery of a parylene precursor reagent, in the form of an organic solution or a neat liquid, subsequent flash vaporization of the neat liquid or organic solution, pyrolytic "cracking" of the precursor to form the reactive monomer and/or reactive radical species, and condensation and polymerization of the monomer and/or reactive radical species to form a low dielectric constant polymeric film on the substrate. The low dielectric constant polymeric film may comprise a parylene film, formed from a precursor such as [2.2]paracyclophane, an alkyl- and/or halo-substituted derivative thereof, or an analogous compound of a p-xylene derivative.
摘要:
A method of forming a thin film ferrite material on a substrate from corresponding precursor(s), comprising liquid delivery and flash vaporization thereof to yield a precursor vapor, and transporting the precursor vapor to a chemical vapor deposition reactor for formation of the thin film ferrite material on the substrate. The invention also contemplates a device comprising a ferrite layer on a substrate, in which the ferrite layer is formed on the substrate by a process as described above.
摘要:
A solvent composition useful for liquid delivery chemical vapor deposition of organometallic precursors such as .beta.-diketonate metal precursors. The solvent composition comprises a mixture of solvent species A, B and C in the proportion A:B:C wherein A is from about 3 to about 7 parts by volume, B is from about 2 to about 6 parts by volume, and C is from 0 to about 3 parts by volume, wherein A is a C.sub.6 -C.sub.8 alkane, B is a C.sub.8 -C.sub.12 alkane, and C is a glyme-based solvent (glyme, diglyme, tetraglyme, etc.) or a polyamine. The particular solvent composition including octane, decane and polyamine in an approximate 5:4:1 weight ratio is particularly usefully employed in the formation of SrBi.sub.2 Ta.sub.2 O.sub.9 films.
摘要:
Dialkyl gold(III) .beta.-diketonates are synthesized in a two-step, one-pot process using a gold trihalide, an alkyl lithium compound and a .beta.-diketone.
摘要:
A process for selectively depositing copper by first selectively depositing palladium seeds by irradiating a palladium compound with light. Following the deposition of the palladium seeds, copper is deposited by an electroless process.
摘要:
A system and process for generating and packaging phosphine gas, in which the process includes: reacting water and aluminum phosphide to generate phosphine, and providing the phosphine in a gas mixture at a phosphine concentration below a lower explosive limit; adsorptively removing phosphine from the gas mixture; and packaging the removed phosphine in a fluid storage and dispensing vessel.