Výsledky vyhledávání - "M. Fechtelkor"

Akademický článek

Cation and anion ordering in synthetic lepidolites and lithian muscovites: influence of the OH ∕ F and Li ∕ Al ratios on the mica formation studied by NMR (nuclear magnetic resonance) spectroscopy and X-ray diffraction

Autor: L. Sulcek, B. Marler, M. Fechtelkord

Publikováno v: European Journal of Mineralogy, Vol 35, Pp 199-217 (2023)

A large number of lepidolites K(LixAl3−x)[Si2xAl4−2xO10](OH)yF2−y and Li-muscovites K(LixAl2-x/3□1-2x/3)[Si3AlO10](OH)yF2−y were synthesised by a gelling method in combination with hydrothermal syntheses at a pressure of 2 kbar and a temper

Externí odkaz: https://doaj.org/article/79629e573e7144a2a8adab7fc8c444d2

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Enhanced Sensitivity of Zero -Field NMR Spectroscopy at High Magnetic Fields

Autor: B. Knorr, H. Kolley, Harry Pfeifer, M. Fechtelkor, D. Freude, D. Fenzke, H. Ernst

Publikováno v: Zeitschrift für Naturforschung A. 50:388-394

After reviewing the basic principles of zero-field NMR spectroscopy at high magnetic fields (ZFHF NMR) as introduced by Robert Tycko, a 2-dimensional extension of this method is described which enhances its sensitivity by at least one order of magnit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c432ba5163c673c0cb9f22a531ac28f2
https://doi.org/10.1515/zna-1995-4-511

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