منابع مشابه
Interface quality and thermal stability of laser-deposited metal/MgO multilayers.
Metal/MgO multilayers (metal of Fe, Ni80Nb20, and Ti) with bilayer periods in the range 1.2-3.0 nm have been prepared by pulsed laser deposition and characterized by both hard and soft-x-ray reflectometry. The interface roughness is found to be < or = 0.5 nm in all the samples and is nearly independent of the total number of deposited bilayers. The interface roughness, however, depends on the a...
متن کاملThermal stability, atomic vibrational dynamics, and superheating of confined interfacial Sn layers in Sn/Si multilayers
Multilayers composed of materials with low Sn and high Si bulk melting points were grown at room temperature by ultrahigh vacuum deposition. Sn Mössbauer spectroscopy has been used to investigate the temperature dependence of the Debye-Waller factor f , the mean-square displacement, and the mean-square velocity of Sn nuclei in ultrathin 10 Å thick -like Sn layers embedded between 50 Å thick Si ...
متن کاملThermal and mechanical stability of wurtzite-ZrAlN/cubic-TiN and wurtzite-ZrAlN/cubic-ZrN multilayers
The phase stability and mechanical properties of wurtzite (w)-Zr0.25Al0.75N/cubic (c)-TiN and w-Zr0.25Al0.75N/c-ZrN multilayers grown by arc evaporation are studied. Coherent interfaces with an orientation relation of c-TiN (111)[1-10]ǀ ǀ w-ZrAlN (0001)[11-20] form between ZrAlN and TiN sublayers during growth of the w-ZrAlN/c-TiN multilayer. During annealing at 1100 °C a c-Ti(Zr)N phase forms ...
متن کاملThe mechanical stability of Langmuir]Blodgett multilayers
The properties and stability of confined Langmuir]Blodgett multilayers made of arachidic acid were investigated using the surface forces apparatus. Two different types of confined films were studied: one formed by bringing two separate LB films into molecular contact, the other formed by bringing one LB film into direct contact with mica. The measured thickness of confined ̊ Ž . material depends...
متن کاملImprovement of Thermal Stability of BCG Vaccine
Background: Thermal stability (TS) is a part of the BCG vaccine characterization by which the consistency of process in BCG vaccine production could be confirmed. To enhance the TS of the vaccine, some prevalent stabilizers in different concentrations were added to the final formulation of BCG bulk prior to Freeze-drying process. We found a formulation more effective than the current stabilizer...
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ژورنال
عنوان ژورنال: Materials Research Express
سال: 2014
ISSN: 2053-1591
DOI: 10.1088/2053-1591/1/4/046503