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Št. zadetkov: 2
Evolution of chemically induced cracks in alkali feldspar: thermodynamic analysis
Rainer Abart, Elena Petrishcheva, Gerlinde Habler, Christoph Sutter, Franz Dieter Fischer, Jožef Predan, Marko Kegl, Franz G. Rammerstorfer
Izvirni znanstveni članek
Oznake: kemično povzročeno lomljenje;alkalni feldspar;razmik razpok;valovite razpoke;stopnja disipacije;termodinamično ekstremno načelo;chemically induced fracturing;alkali feldspar;crack spacing;wavy cracks;dissipation rate;thermodynamic extremal principle;
A system of edge cracks was applied to polished (010) surfaces of K-rich gem-quality alkali feldspar by diffusion-mediated cation exchange between oriented feldspar plates and a Na-rich NaCl–KCl salt melt. The cation exchange produced a Na-rich layer at and beneath the specimen surface, and the asso ...
Leto: 2022 Vir: Fakulteta za strojništvo (UM FS)
Deciphering crystal growth in a sector-zoned interpenetration twin of loparite from Mt Khibiny (Kola Peninsula, Russia) through atomic-scale characterisation of growth sectors and twin boundaries
Nina Daneu, José Alberto Padrón-Navarta, Martin Šala, Kristina Mervič, Gerlinde Habler, Goran Dražić, Petruša Borštnar, Aleksander Rečnik, Rainer Abart
Izvirni znanstveni članek
Oznake: morfologija;loparite;loparite twin;growth sectors;morphology;
Loparite is a natural perovskite (ABO3) with a complex composition, essentially a solid solution between loparite(-Ce) (Na0.5Ce0.5TiO3), lueshite (NaNbO3), and perovskite (CaTiO3), with small amounts of many other elements. The majority of reported loparite crystals are spinel-type interpenetration ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Št. zadetkov: 2
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