Results 111 to 120 of about 276 (171)

Perovskite solar cells: must lead be replaced - and can it be done? [PDF]

Sci Technol Adv Mater, 2018
Zhang Q, Hao F, Li J, Zhou Y, Wei Y, Lin H.   +5 more
europepmc   +1 more source

Machine-Learning-Assisted Construction of Ternary Convex Hull Diagrams. [PDF]

J Chem Inf Model
Rossignol H, Minotakis M, Cobelli M, Sanvito S.   +3 more
europepmc   +1 more source

Machine Learning-Driven Nanoscale Synthesis for Electrocatalytic Performance: From Data-Driven Methodologies to Closed-Loop Optimization. [PDF]

Adv Mater
Gao T, Huang H, Liu Y.
europepmc   +1 more source

Halide Perovskites and Their Derivatives for Efficient, High-Resolution Direct Radiation Detection: Design Strategies and Applications. [PDF]

Adv Mater
Dudipala KR, Le TH, Nie W, Hoye RLZ.
europepmc   +1 more source

Phase Transitions in Elpasolites (Ordered Perovskites)

Materials Science and Engineering Reports, 1998
Abstract Many compounds with general chemical formula A 2 BB′X 6 and with tolerance factor value ...
J Grannec, A Tressaud, M V Gorev
exaly   +3 more sources

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Computer Modeling of Lattice Dynamics in Halide Elpasolites

Journal of Physics and Chemistry of Solids, 1991
Abstract Lattice dynamics calculations were performed on the crystals K 2 NaScF 6 , K 2 NaGaF 6 and Cs 2 NaYCl 6 with cubic elpasolite structure, by means of pair potentials developed for lattice statics calculations. The predicted dispersion curves account well for the pressure dependence of Raman spectra.
R.S. Sinkovits, R.H. Bartram
exaly   +2 more sources

Role of Metal Fluoride Octahedra in the Mechanism of Phase Transitions in A2BMF6 Elpasolites

Journal of Fluorine Chemistry, 2002
Sequences of phase transitions (PTs) occurring in (AI)2BIMIIIF6 elpasolites have been studied via X-ray diffraction, differential scanning calorimetry (DSC) and adiabatic calorimetry at low temperature (LT).
J Grannec, A Tressaud, M V Gorev
exaly   +2 more sources

The Madelung Function of Elpasolites

Zeitschrift für Naturforschung B, 2000
Abstract Madelung Energy, Coulomb Interaction, Elpasolite For binary ionic compounds the Madelung energy can be calculated using the Madelung constant, the ionic charges and the next neighbour distance of the ions only. For ternary and higher systems the well-known standard formula cannot be applied, because the ionic charges and ...
Veit Marx, Bernd Hundhammer
openaire   +1 more source

Elpasolite from hyperalkaline pegmatite of the Khibiny pluton, Kola Peninsula. Symmetry of elpasolite

Geology of Ore Deposits, 2008
Elpasolite, K2NaAlF6, has been found for the first time in a pegmatite related to peralkaline foid syenite at Mt. Koashva, Khibiny alkaline pluton, Kola Peninsula, Russia, as pale pink octahedral crystals up to 2 mm in size within cavities in the natrolite core of pegmatite in association with amicite, sodalite, aegirine, pectolite, catapleiite ...
I. V. Pekov, N. V. Chukanov, N. N. Kononkova, N. V. Zubkova, M. Kh. Rabadanov, D. Yu. Pushcharovsky   +5 more
openaire   +1 more source

Specific heat of the elpasolite Pb2MgWO6

Physics of the Solid State, 1999
The specific heat of Pb2MgWO6 has been measured in the temperature interval 83–370 K. An anomaly in the specific heat associated with the phase transition at T 0=312.8K has been discovered. The thermodynamic parameters of the structural phase transition Fm3m-Pmcn have been determined.
I. N. Flërov, M. V. Gorev, Ph. Sciau
openaire   +1 more source