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. 2001 Dec 1;106(6):1097–1134. doi: 10.6028/jres.106.059

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 20 — The orthorhombic structure of SrTi₃Nb₄O₁₇, the n = 3 member of the “chemically twinned rutile oxides”, SrM₂_n₊₁O₄_n₊₅ series, viewed approximately along the 〈100〉 direction [84]. Spheres represent Sr²⁺ ions.