منابع مشابه
FIELD ION MICROSCOPIC OBSERVATION OF ORDERING PROCESS IN A CuPt ALLOY
Change in microstructure of CuPt alloy was studied by field ion microscopy. It was found that in a quenched alloy small spherical ordered domains with a low degree of order are dispersed in a disordered matrix. The size of the domains was estimated to be about 1 2 nm. Upon aging at an appropriate temperature, the size of the ordered domains preferentially increases, and then the degree of order...
متن کاملCompetitive evolution of the fine contrast modulation and CuPt ordering in InGaP/GaAs layers
We use transmission electron microscopy to characterize the morphology of InGaP epitaxial layers grown by metal-organic vapor-phase epitaxy over misoriented GaAs ~001! substrates, with a cutoff angle in a range from 0° to 25°. The occurrence of phase separation and CuPt-type ordered superstructures has been observed. The most ordered configuration has been found to appear in layers grown on 2° ...
متن کاملCo-ordering and Type 2 co-ordering
In [arXiv:1006.4939] the enumeration order reducibility is defined on natural numbers. For a c.e. set A, [A] denoted the class of all subsets of natural numbers which are co-order with A. In definition 5 we redefine co-ordering for rational numbers. One of the main questions there, was:"For a specific c.e. set A, consider set of all enumerations of it which is generated by some Turing machine {...
متن کاملthe investigation of the relationship between type a and type b personalities and quality of translation
چکیده ندارد.
Characterization of Nanosized Al2O3 Powder Synthesized by Thermal-Assisted MOCVD and Plasma-Assisted MOCVD
Nanosized Al2O3 powder is synthesized by thermal Metal Organic Chemical Vapor Deposition (MOCVD)combined withplasma. The effects of reaction temperature, pressure, Al(CH3)3 (TMA) concentration and...
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ژورنال
عنوان ژورنال: Microscopy and Microanalysis
سال: 2002
ISSN: 1431-9276,1435-8115
DOI: 10.1017/s143192760210794x