Browsing by Author "Sterer, E"

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    Corrigendum to: High-pressure structural behavior and equation of state of NaZnF3
    (Elsevier, 2009-10) Yakovlev, SO; Avdeev, M; Sterer, E; Greenberg, Y; Mezouar, M
    The Authors regret that two scientists who also contributed to this work were not included as the co-authors, Eran Sterer and Yaron Greenberg. The correct author line up is listed above. © 2009 Elsevier Inc
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    Pressure-induced amorphization of La(1/3)NbO3
    (Elsevier, 2011-09-15) Noked, O; Yakovlev, S; Greenberg, Y; Garbarino, G; Shuker, R; Avdeev, M; Sterer, E
    La(1/3)NbO(3), an A-site cation deficient double perovskite, has been studied under pressure by synchrotron X-ray powder diffraction and Raman spectroscopy. In contrast to other highly distorted perovskites, transforming to post-perovskite on compression, La(1/3)NbO(3) undergoes irreversible pressure induced amorphization at similar to 14.5 GPa. Over a wide range of pressure before that transition it presents an almost linear volume decrease versus pressure, accompanied by convergence form orthorhombic to a cubic unit cell. The Raman spectroscopy also shows an amorphization at the same pressure. However, where upon full decompression the X-ray diffraction pattern remains amorphous, new Raman peaks become active. (C) 2011 Elsevier B.V.