1987
DOI: 10.1107/s0108767387099070
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Investigation of short-range order in Ni–10 at.% Al single crystals by diffuse X-ray scattering

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Cited by 40 publications
(11 citation statements)
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“…Strong deviations from spherically shaped isointensity lines around special points are known for 100 positions in various binary copper and nickel alloys. [24][25][26][27] A correlation between the shape of the contour lines and the presence of antiphase boundaries or a platelike nature of short-range-ordered ''regions'' has been suggested. In the present case, however, the low degree of short-range order makes it impossible to reach any such conclusion from modeling.…”
Section: Diffuse Scatteringmentioning
confidence: 99%
“…Strong deviations from spherically shaped isointensity lines around special points are known for 100 positions in various binary copper and nickel alloys. [24][25][26][27] A correlation between the shape of the contour lines and the presence of antiphase boundaries or a platelike nature of short-range-ordered ''regions'' has been suggested. In the present case, however, the low degree of short-range order makes it impossible to reach any such conclusion from modeling.…”
Section: Diffuse Scatteringmentioning
confidence: 99%
“…В роботах [66,67] для визначення енергії «змішання» в сплаві NiAl були застосовані два наближення методу варіації кластерів (МВК) (див. [66] та бібліографію в ній), що базуються на подвійному тетрае-ТАБЛИЦЯ 6.…”
Section: енергія «змішання» (впорядкування)unclassified
“…Оскільки величини Y l і  l різко спадають при збільшенні номера ко-ординаційної сфери l [66,67,295], то основний внесок у вираз (5.82) «здійснюють» атоми, розташовані в перших двох координаційних сфе-рах. А це, в свою чергу, означає, що час релаксації головним чином за-лежить від просторової кореляції найближчих та послідуючих за най-ближчими атомів.…”
Section: напівфеноменологічні моделі релаксації електроопоруunclassified
“…Certainly, this phenomenon is conditioned by the considerable interactions of Ni and Al atoms, and, as a consequence, by specific spatial distribution of alloy constituents (i.e., formation of the superstructure). Therefore, for instance, in the Ni‐enhanced region (with Al content of c Al ≅ 25 at.%) based on the disordered f.c.c.‐Ni–Al solution, the L 1 2 ‐type ordered substitutional superstructure (“cubic Ni 3 Al”) is formed 1–13. With Al content of c Al ≅ 50 at.%, the B 2‐ or L 1 0 ‐type superstructures (“layered NiAl”) are formed 1.…”
Section: Introductionmentioning
confidence: 99%