The Cu1− xAxFe2O4 (A= Zn, Mg; x= 0.0, 0.5) ferrites were successfully synthesized by
chemical co-precipitation method. X-ray diffraction and Raman spectroscopy reveals that all …

We determined phase relations in FeCr2O4 at 12–28 GPa and 800–1600° C using a multi-
anvil apparatus. At 12–16 GPa, FeCr2O4 spinel (chromite) first dissociates into two phases …

We have explored the high-pressure structural, vibrational, electronic, and magnetic
behavior of the multiferroic CoC r 2 O 4 spinel up to 30 GPa by means of x-ray diffraction …

Red beryl from Utah is chemically homogeneous and contains only Fe< 0.163, Mn< 0.018,
and Mg< 0.016 apfu. Channel sites contain only up to Cs 0.011, K 0.009, Rb 0.004, and Na …

Pressure-induced phase transition in magnesiochromite (MgCr2O4) was studied by in situ
Raman spectroscopy and X-ray diffraction to 50 and 60GPa, respectively. A polymorphic …

The removal of hexavalent chromium from water by sustainable methods still presents
challenging aspects. Green rust (GR) is a mixed Fe (II)-Fe (III) layer double hydroxide …

We have conducted high-pressure x-ray diffraction studies on the MnC r 2 O 4 and NiC r 2 O
4 spinels at room temperature. Both compounds undergo pressure-induced structural …

Phase relations of magnesioferrite (MgFe2O4) have been studied between 8 and 18 GPa
and 1000–1600° C using multi-anvil experiments. At 8–10 GPa and 900–1200° C …

Abstract The Jahn-Teller effect at Cu2+ in cuprospinel CuFe2O4 was investigated using
high-pressure single-crystal synchrotron X-ray diffraction techniques at beamline BL10A at …

The objective of this study is to characterize steam generator tube deposits collected from an
operating pressurized water reactor. The deposits were mostly composed of magnetite and …