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The dielectric behaviour of polycrystalline Ba0.96Na0.04Ti0.96Nb0.04O3 solid solution
Polycrystalline Phase transitions Ferroelectrics Relaxor Dielectric spectroscopy
2010/8/16
The searching of new materials with perovskite structures is inspired among others, also by new technical applications [1]. The investigations of theirs dielectric properties involves mainly phase tra...
Modeling the competition between solid solution formation and cation exchange on the retardation of aqueous radium in an idealized bentonite column
reactive transport solid solutions cation exchange bentonite radioactive waste repository montmorillonite OpenGeoSys GEM-Selector
2017/8/9
Clays and clay rocks are considered viable geotechnical barriers in radioactive waste disposal. One reason for this is the propensity for cation exchange reactions in clay minerals to retard the migra...
Calculations of fluid-ternary solid solution equilibria: An application of the Wilson equation to fluid-(Fe,Mn,Mg)TiO3 equilibria at 600 °C and 1 kbar
Calculations fluid-ternary solid solution equilibria application Wilson equation fluid-(Fe,Mn,Mg)TiO3 equilibria 600 °C 1 kbar
2012/4/1
The Wilson equation (Wilson 1964) is applied to (Fe,Mn,Mg)TiO solid solutions for obtaining
the mixing properties of the ternary solid solution at 600 ?C and 1 kbar. The present study utilizes data
...
Symmetry change of majorite solid-solution in the system Mg3Al2Si3O12-MgSiO3
single crystals majorite solid-solution Mg3Al2Si3O12-MgSiO3
2012/3/31
Six single crystals of Mg (Mg Si Al )Si O with x = 0.05, 0.13, 0.24, 0.38, 0.52, and 0.64 (the
3 x x 2(R)Cx 3 12
majorite solid-solution) were synthesized at 20 GPa and 2000 ?C with a °∞6-8°± type ...
In situ neutron diffraction study of non-convergent cation ordering in the (Fe3O4)1-x(MgAl2O4)x spinel solid solution
non-convergent cation ordering (Fe3O4)1-x(MgAl2O4)x spinel solid solution
2012/3/31
Non-convergent cation ordering in the (Fe O ) (MgAl O ) solid solution was investigated us-
ing in-situ time-of-flight neutron powder diffraction. The approach to equilibrium in a sample with
x = 0...
Structural mechanisms of solid solution and cation ordering in augite-jadeite pyroxenes: II. A microscopic perspective
Structural mechanisms augite-jadeite pyroxenes microscopic perspective
2012/3/31
Infrared spectra of ordered (P2/n ) and disordered ( C2/c ) pyroxenes belonging to the join augite-jadeite were investigated at room temperature in the range 70–1400 cm 21. The spectra change as a fun...
Structural mechanisms of solid solution and cation ordering in augite-jadeite pyroxenes: I. A macroscopic perspective
Structural mechanisms augite-jadeite pyroxenes macroscopic perspective
2012/3/31
Single-crystal and powder X-ray diffraction data were collected to characterize the mac-roscopic solid-solution and cation-ordering behavior in the system augite-jadeite (low ac-mite content). We exam...
The chemical composition of REE-Y-Th-U-rich accessory minerals in peraluminous granites of the Erzgebirge-Fichtelgebirge region, Germany, Part I: The monazite-(Ce)-brabantite solid solution series
chemical composition REE-Y-Th-U-rich accessory minerals peraluminous granites Erzgebirge-Fichtelgebirge region monazite-(Ce)-brabantite solid solution series
2012/3/31
eraluminous granites of the Erzgebirge-Fichtelgebirge, Germany, are hosts of various members of the monazite group of minerals that display an unprecedented compositional diversity. The Eibenstock S-t...
Solid solution in the celadonite family:The new minerals ferroceladonite, K2Fe2+2Fe3+2Si8O20(OH)4,and ferroaluminoceladonite, K2Fe2+2Al2Si8O20(OH)4
Solid solution celadonite family new minerals ferroceladonite K2Fe2+2Fe3+2Si8O20(OH)4 ferroaluminoceladonite K2Fe2+2Al2Si8O20(OH)4
2012/4/5
Celadonite-familymicamineralsoccurringintheTriassicGavenwoodTuffs,Murihiku
Supergroup,HokonuiHills,Southland,NewZealand,havebeenanalyzedbyXRD,TEM,
AEM,andEMPA.Packetsafewunitcellstoseveralhundrednan...
Complete Fe-Mg solid solution in lithium niobate and perovskite structures in titanates at high pressures and temperatures
Complete Fe-Mg solid solution lithium niobate perovskite structures titanates high pressures temperatures
2012/4/5
Anewhigh-pressureMgTiO phasewiththelithiumniobatestructure(R3c)hasbeen
roveredfromexperimentsat21GPaand1200C.Phaseswiththelithiumniobate
structurewerealsosynthesizedforintermediatecompositionsbetwee...
Doping Effects of Ga And Te On The Kinetic Coefficients of Rhombohedral And Cubic Phases Of Ge1-x Gax Te Solid Solution Alloys
Doping Effects Ga Te Ge1-x Gax Te Solid Solution Alloys
2010/4/16
this study Ga and Te doping effects on the kinetic parameters (thermo e.m.f., electrical conductivity, heat conductivity, Hall and Nernst-Ettingshausen coefficients) of the rhombohedral and cubic phas...
Interaction between exsolution microstructures and magnetic properties of the magnetite-spinel solid solution
Interaction exsolution microstructures magnetic properties magnetite-spinel solid solution
2012/4/1
Magnetic properties of exsolved samples of the (Fe304t(MgAlz04),_x solid solution weremeasured over the temperature range 4-923 K and were correlated with microstructuresobserved by transmission elect...
Synthesis, characterization, and energetics of solid solution along the dolomite-ankerite join, and implications for the stability of ordered CaFe(CO3)2
Synthesis characterization energetics dolomite-ankerite join implications CaFe(CO3)2
2012/4/6
Samples along the dolomite-ankerite join weresynthesized using a piston-cylinder ap-paratus and the double-capsule method. Some ofthe ankerite samples maybedisordered. Thermal analysis and X-ray diffr...
Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece
Solid solution piemontite androsite-(La epidote group Andros Island
2012/4/6
Anew member ofthe epidote group, androsite-(La), wasfound atAndrosIsland, Cyclades, Greece, as an accessory constituent of metamorphic Mn-rich rocks. Associated minerals are rhodochrosite, braunite, r...
Magnetic properties of the magnetite-spinel solid solution: Curie temperatures, magnetic susceptibilities, and cation ordering
Magnetic properties magnetite-spinel solid solution Curie temperatures magnetic susceptibilities cation ordering
2012/4/5
Curietemperatures (Td ofthe (Fe304)x(MgA1204)1-xsolid solution have been deter-minedfrom measurementsofmagneticsusceptibility (x)vs.temperature. Thetrend in Te
vs.composition extrapolates to 0Katx =0...