Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Johannes Stefanski"'
Autor:
Johannes Stefanski, Sandro Jahn
Publikováno v:
Solid Earth, Vol 11, Pp 767-789 (2020)
The rare Earth elements (REEs) are important geochemical tracers for geological processes such as high-grade metamorphism. Aqueous fluids are considered important carriers for the REEs in a variety of geological environments including settings associ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d23f871b18930d4662171bcf66ea6cc
https://doi.org/10.5194/se-11-767-2020
https://doi.org/10.5194/se-11-767-2020
Autor:
Clemens Prescher, Johannes Stefanski, Kostya Trachenko, Elena N. Tsiok, Yu. D. Fomin, A. G. Lyapin, V. N. Ryzhov, Andrei V. Sapelkin, Vadim V. Brazhkin, Vitali B. Prakapenka
Publikováno v:
The Journal of Physical Chemistry B. 122:6124-6128
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28d85bb9f2119cc6b430d6a0a8a6a131
https://doi.org/10.1021/acs.jpcb.7b11359
https://doi.org/10.1021/acs.jpcb.7b11359
Publikováno v:
Physical Chemistry Chemical Physics
Hydrothermal diamond anvil cell experiments in combination with Raman spectroscopy and first principles molecular dynamics simulations were performed to investigate the structure and dynamics of aqueous NaOH solutions for temperatures up to 700 °C,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c525f9babe33e1e21e8a729a3166af6
https://doi.org/10.1039/c8cp00376a
https://doi.org/10.1039/c8cp00376a
Autor:
Keith Gilmore, Christian Schmidt, Christoph J. Sahle, Christian Sternemann, Johannes Stefanski, Max Wilke, Johannes Niskanen, Yury Forov, Sandro Jahn
Publikováno v:
Journal of Physical Chemistry B
Scopus-Elsevier
Scopus-Elsevier
We present a study of the local atomic environment of the oxygen atoms in the aqueous solutions of NaOH and HCl under simultaneous high-temperature and high-pressure conditions. Experimental nonresonant X-ray Raman scattering core-level spectra at th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2e52c86d1ec3ee911a18e1f971207f8
https://doi.org/10.1021/acs.jpcb.7b09688
https://doi.org/10.1021/acs.jpcb.7b09688
Autor:
Johannes Stefanski, Clemens Prescher, Lawrie Skinner, Vitali B. Prakapenka, Yanbin Wang, Sandro Jahn
Publikováno v:
Proceedings of the National Academy of Sciences. 114:10041-10046
We investigated the structure of SiO2 glass up to 172 GPa using high-energy X-ray diffraction. The combination of a multichannel collimator with diamond anvil cells enabled the measurement of structural changes in silica glass with total X-ray diffra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f65de45c2c81843f840681879ede78b
https://doi.org/10.1073/pnas.1708882114
https://doi.org/10.1073/pnas.1708882114
Autor:
Johannes Stefanski, Sandro Jahn
The rare earth elements (REE) are important geochemical tracers for geological processes such as high grade metamorphism. Aqueous fluids are considered important carriers for the REE in a variety of geological environments including settings associat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b6a0dd0fb20fb066c2c2fbc478eb2a3
https://doi.org/10.5194/se-2019-195
https://doi.org/10.5194/se-2019-195
Publikováno v:
European Journal of Mineralogy
The Al-B substitution in the system albite–reedmergnerite has been investigated experimentally by performing cold-seal hydrothermal and piston-cylinder synthesis experiments at temperatures of 450 °C and 750 °C in the pressure range 0.2–3.0 GPa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea6062f9b60ffbe51d71b7289b3aa540
https://doi.org/10.1127/0935-1221/2013/0025-2286
https://doi.org/10.1127/0935-1221/2013/0025-2286
Autor:
Vitali B. Prakapenka, Vadim V. Brazhkin, Clemens Prescher, Kostya Trachenko, Yu. D. Fomin, Johannes Stefanski
Recent research suggests that the supercritical state consists of liquidlike and gaslike states where particle dynamics and key system properties are qualitatively different. We report experimental evidence of the structural crossover in supercritica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32db7f8ade9e86ac1f5735050542f15d