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dc.contributor.authorNoked, O-
dc.contributor.authorYakovlev, S-
dc.contributor.authorGreenberg, Y-
dc.contributor.authorGarbarino, G-
dc.contributor.authorShuker, R-
dc.contributor.authorAvdeev, M-
dc.contributor.authorSterer, E-
dc.identifier.citationNoked, O., Yakovlev, S., Greenberg, Y., Garbarino, G., Shuker, R., Avdeev, M., & Sterer, E. (2011). Pressure-induced amorphization of La(1/3)NbO(3). Journal of Non-Crystalline Solids, 357(18), 3334-3337. doi:10.1016/j.jnoncrysol.2011.05.030en_AU
dc.description.abstractLa(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.en_AU
dc.subjectRaman spectroscopyen_AU
dc.subjectNiobium oxidesen_AU
dc.subjectX-ray diffractionen_AU
dc.titlePressure-induced amorphization of La(1/3)NbO3en_AU
dc.typeJournal Articleen_AU
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