3 papers
cond-mat.mtrl-sci2024
Sodium diffusion in alkali feldspars: Towards the impact of Al/Si ordering
Olga Kulitckaya, Alexander Gorfer, Elena Petrishcheva +5
Tracer diffusion of Na in natural alkali feldspars including sanidine, adularia and orthoclase with different Na:K ratios is measured using the radiotracer technique and applying t…
cond-mat.mtrl-sci2024
Thermodynamics of alkali feldspar solid solutions with varying Al-Si order: atomistic simulations using a neural network potential
Alexander Gorfer, David Heuser, Rainer Abart +1
The thermodynamic mixing properties of alkali feldspar solid solutions between the Na and K end members were computed through atomistic simulations using a neural network potential…
cond-mat.mtrl-sci2024
Mechanism and kinetics of sodium diffusion in Na-feldspar from neural network based atomistic simulations
Alexander Gorfer, Rainer Abart, Christoph Dellago
Alkali diffusion is a first-order control for microstructure and compositional evolution of feldspar during cooling from high temperatures of primary magmatic or metamorphic crysta…