A method for the determination of lattice parameters on single crystals |
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| Authors: | M Polcarová J Zůra |
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| Institution: | 1. Institute of Physics, Czechosl. Acad. Sci., Prague, Na Slovance 2, 180 40, Praha 8, Czechoslovakia
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| Abstract: | The ratio method, designed originally for powder materials, is modified for single crystals. A relatively simple goniometer with photographic registration is used. Discussion of random and systematic errors shows that an accuracyΔa/a = 10?4, or better, can be achieved. An application for single crystals of Fe and Fe-Si alloys is demonstrated. For pure iron the valuea= = (2·8664±00001)×10?10 m is found. |
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