نتایج جستجو برای: vapour phase epitaxial growth
تعداد نتایج: 1389056 فیلتر نتایج به سال:
Thin films consisting of TiN nanocrystallites encapsulated in a fully percolated SiNy tissue phase are archetypes for hard and superhard nanocomposites. Here, we investigate metastable SiNy solid solubility in TiN and probe the effects of surface segregation during growth of TiSiN films onto substrates that are either flat TiN(001)/MgO(001) epitaxial buffer layers or TiN(001) facets of length 1...
Direct observations using scanning transmission electron microscopy unveil an intriguing interfacial bi-layer that enables epitaxial growth of a strain-free, monoclinic, bronze-phase VO2(B) thin film on a perovskite SrTiO3 (STO) substrate. We observe an ultrathin (2-3 unit cells) interlayer best described as highly strained VO2(B) nanodomains combined with an extra (Ti,V)O2 layer on the TiO2 te...
We have previously reported on the successful deposition of heterojunction solar cells whose thin intrinsic crystalline absorber layer is grown using the standard radio frequency plasma enhanced chemical vapour deposition process at 165 ◦C on highly doped P-type (100) crystalline silicon substrates. The structure had an N-doped hydrogenated amorphous silicon emitter deposited on top of the intr...
We report on a systematic study of the growth of epitaxial TiO(2) films deposited by pulsed laser deposition on Ti-terminated SrTiO(3) (001) single crystals. By using in situ reflection high energy electron diffraction, low energy electron diffraction, x-ray photoemission spectroscopy, and scanning probe microscopy, we show that the stabilization of the anatase (001) phase is preceded by the gr...
Single-crystalline InN nanorods were successfully grown on c-Al2O3, GaN, Si(111), and Si(100) substrates by non-catalytic, template-free hydride metal–organic vapour phase epitaxy (H-MOVPE). It was evaluated thermodynamically and confirmed experimentally that the domain of nanorod growth lies in the vicinity of the growth–etch transition. Stable gas phase oligomer formation is suggested as the ...
Aluminium nitride (AlN) crystalline substrate has emerged as a striking material and received tremendous attention for applications in high power electronics (HPE), deep-ultraviolet (DUV) light sources due to its exceptional properties. Single crystal growth of AlN by physical vapour transport (PVT) technique, the necessity large diameter native substrates fabrication HPE DUV devices are descri...
Silver-copper alloys are condensed in a liquid-solid domain of the phase diagram on a tilted molybdenum substrate regulated in temperature. After a droplets regime, a film which contains a monolayer of nodular solid crystals forms. The size distribution and density of the particles in the film are measured after different condensation times. Results show that in our experimental conditions a ri...
Slanted Co/Cu multilayer nanocolumns were grown on Si and gold-coated Si substrates by two-source oblique-angle vapour deposition. The respective column lengths and layer thicknesses were varied from ∼400 to ∼700 nm and ∼6 to ∼16 nm. The scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images show the column diameters to be less than 65 nm. The ferromagnetic nature ...
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