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Copyright (c) 2006 Nauka/Interperiodica; Article Copyright (c) 2006 Pleiades Publishing, Inc.; Country of input: International Atomic Energy Agency (IAEA)
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Translated from Kristallografiya, ISSN 0023-4761,; (c) 1997 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
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[en] A method for measuring the curvature of single crystals on a triple-crystal X-ray diffractometer has been developed for the Bragg geometry. The divergence of the X-ray radiation from the third crystal (a specimen) is determined by the angle formed by the tangents at the points of incidence of the end rays of the beam incident onto a bent crystal. A formula is obtained that relates the width of a diffraction maximum to the curvature radius of the crystal studied
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Translated from Kristallografiya, ISSN 0023-4761, 43, 360 (March-April 1998); (c) 1998 MAIK/Interperiodika; Country of input: International Atomic Energy Agency (IAEA)
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[en] In the course of the investigation of phase equilibria in Zr-Co-In and Zr-Ni-In systems at 870 K, ternary compounds Zr2M2In (M = Ni, Co) were found at a section of 0.40 atomic fractions of Zr. The X-ray structure analysis was performed for a single crystal from the Zr-Ni-In system. A single crystal in the form of a parallelepiped was extracted from the Zr0.40Ni0.40In0.20 alloy annealed at 870 K. The tetragonal system was determined by the Laue method, and the unit-cell dimensions were found from rotation photographs. The X-ray data were collected on an automated DARCH-1 diffractometer (MoKα radiation, graphite monochromator, 2θmax = 75 degrees). The unit-cell constants were refined to a = 7.173(2) and c = 3.338(1) Angstrom. The structure was solved by direct methods in the sp. gr. P4/mbm, Z = 2. The CSD package for the IBM PC was used. Atomic parameters were refined to R = 0.0269 for 183 independent reflections with I > 4σ(I). 2 refs., 2 tabs
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Translated from Kristallografiya; 40: No. 2, 369(1995). Cover-to-cover-translation of Kristallografiya.
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Translated from Kristallografiya, ISSN 0023-4761, 44, 381 (March-April 1999); (c) 1999 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
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Kheiker, D. M.; Kovalchuk, M. V.; Korchuganov, V. N.; Shilin, Yu. N.; Shishkov, V. A.; Sulyanov, S. N.; Dorovatovskiĭ, P. V.; Rubinsky, S. V.; Rusakov, A. A., E-mail: kheiker@nc.cryst.ras.ru2008
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Copyright (c) 2008 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA)
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Translated from Kristallografiya, ISSN 0023-4761,; (c) 2002 MAIK ''Nauka / Interperiodica''; Country of input: International Atomic Energy Agency (IAEA)
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Translated from Kristallografiya, ISSN 0023-4761,; (c) 2004 MAIK ''Nauka / Interperiodica''; Country of input: International Atomic Energy Agency (IAEA)
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Translated from Kristallografiya, ISSN 0023-4761,; (c) 2004 MAIK ''Nauka / Interperiodica''; Country of input: International Atomic Energy Agency (IAEA)
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Copyright (c) 2015 Pleiades Publishing, Inc.; Country of input: International Atomic Energy Agency (IAEA)
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