. 3 5 . , . (d/n) . ( ) .
, . .
ASTM (American Society for Testing Materials), 27 000 . [ JCPDS ( ). ( 2007 .) 140 000 ]. , : d/n, , ( , , , ..), , , , α, β, g; , , , d/n, I/I100, (hkl) . I/I100 ( ), (hkl) . (. 1).
1. ASTM.
d (Å) | 2.67 | 2.48 | 1.67 | 3.633 | Cr2O3 * Chromium (III) Oxide | ||
I/I100 | |||||||
Rad. Cu λ 1.5405 Filter Dia. Cut off Coll I/Ii d corr. abs Ref. Swanson et al., NBS Circular 539 Vol. V (1955) | d, (Å) | I/I100 | hkl | d, (Å) | I/I100 | hkl | |
3.633 2.666 2.480 2.264 2.176 2.048 1.8156 1.672 1.579 1.465 1.43141.2961 1.2398 1.2101 1.1731 1.1488 1.1239 1.0874 1.0422 0.9462 | 1.0.10 220 128, 0.2.10 134 226 2.1.10 324 | .9370 .8957 .8883 .8658 .8425 .8331 .8263 .7977 | 1.3:10 3.0.12 4.0.10 1.0.16 3.2.10 | ||||
Sys. Hexagonal S.G. a0 4.954 b0 c0 13.584 Å αβ γ Z6 Ref. [bid. | |||||||
εa nωβ εγ Sign 2V DX5.23 mpColor Ref | |||||||
Sample from Jonson, Matthey and Co. Ltd. Spect anal.: <0.001% Ca, Mg; <0.000l% Si, Cu. X-ray pattern at 26C. Fe2O3 structure type. | |||||||
Replaces 11294, 21362, 31124, 40765 | |||||||
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. . . BASA. , -2.0, 3.0, 4.0.