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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
(Co) Author: Watenphul, A.
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Jahn, S.; Wunder, B.; Koch-Müller, M.; Tarrieu, L.; Pöhle, M.; Watenphul, A.; Taran, M. N. (2012): Pressure-induced hydrogen bond symmetrisation in guyanaite, ß-CrOOH: evidence from spectroscopy and ab initio simulations. European Journal of Mineralogy, 24, 5, 839-850.
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Watenphul, A.; Schmidt, C. (2012): Calibration of berlinite (AlPO4) as Raman spectroscopic pressure sensor for diamond-anvil cell experiments at elevated temperatures. Journal of Raman Spectroscopy, 43, 4, 564-570.
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Watenphul, A.; Schmidt, C. (2012): Raman spectroscopic study on the Cr6+ speciation in aqueous fluids at elevated P and T. Mineralogical Magazine, 76, 6, 2526.
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Watenphul, A.; Schmidt, C. (2011): Raman spectroscopic insight into structural changes in berlinite with high pressure and temperature. Mineralogical Magazine, 75, 3, 2136.
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Schmidt, C.; Watenphul, A. (2010): Ammonium in aqueous fluids to 600°C, 1.3 GPa: A spectroscopic study on the effects on fluid properties, silica solubility, and K-feldspar to muscovite reactions. Geochimica et Cosmochimica Acta, 74, 6852-6866.
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Watenphul, A.; Wunder, B. (2010): Temperature dependence of the OH-stretching frequencies in topaz-OH. Physics and Chemistry of Minerals, 37, 65-72.
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Wunder, B.; Deschamps, F.; Watenphul, A.; Guillot, S.; Meixner, A.; Romer, R. L.; Wirth, R. (2010): The effect of chrysotile nanotubes on the serpentine-fluid Li-isotopic fractionation. Contributions to Mineralogy and Petrology, 159, 6, 781-790.
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Watenphul, A.; Wunder, B.; Heinrich, W. (2009): Ammonium-bearing clinopyroxene: A potential nitrogen reservoir in the Earth's mantle. Geochimica et Cosmochimica Acta, 73, 13, Suppl. 1, A1421.
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Watenphul, A.; Wunder, B.; Heinrich, W. (2009): High-pressure ammonium-bearing silicates: Implications for nitrogen and hydrogen storage in the Earth's mantle. American Mineralogist, 94, 2-3, 283-292.
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Wunder, B.; Watenphul, A.; Deschamps, F.; Guillot, S.; Meixner, A.; Romer, R. L.; Wirth, R. (2009): Li isotope partitioning between serpentine phases and fluid. Geochimica et Cosmochimica Acta, 73, 13, Suppl. 1, A1456.
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Watenphul, A.; Wunder, B.; Heinrich, W. (2008): Synthesis and characterization of the high-pressure phases NH4-hollandite, NH4-wadeite, NH4-cymrite and NH4-phengite. Geochimica et Cosmochimica Acta, 72, 12, Suppl. 1, A1008.
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Schmidt, C.; Watenphul, A.; Wohlers, A.; Marquardt, K. (2012): Toward revision of the phase diagram of the pseudobinary H2O+NaAlSi3O8. Conference Abstracts, 14th International Conference Experimental Mineralogy Petrology Geochemistry - EMPG (Kiel, Germany 2012), 125.
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Watenphul, A.; Schmidt, C. (2012): Raman spectroscopic study on the Cr6+ speciation in aqueous fluids at elevated P and T. Conference Abstracts, 14th International Conference Experimental Mineralogy Petrology Geochemistry - EMPG (Kiel, Germany 2012), 143.
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Watenphul, A.; Schmidt, C.; Scholten, L. (2012): First insights into Cr3+ solubility in aqueous fluids at elevated P and T by µ-XRF. 1st European Mineralogical Conference - EMC (Frankfurt/Main, Germany 2012), EMC2012-544.
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Watenphul, A.; Schmidt, C. (2011): Insight into structural changes in berlinite (AlPO4) from in-situ Raman spectroscopy at high pressure and temperature. 7th European Conference on Mineralogy and Spectroscopy - ECMS 2011 (Potsdam, Germany 2011), 92.
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Watenphul, A.; Schmidt, C. (2010): Ammonium in subduction zone fluids. IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 195.
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Watenphul, A.; Heinrich, W. (2009): The nitrogen cycle between surface and mantle. AGU 2009 Fall Meeting (San Francisco 2009), 689251.
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Watenphul, A.; Schmidt, C. (2009): Raman spectroscopic study of NH4Cl fluids to 600°C, 1.3 GPa. 20th European Current Research on Fluid Inclusions - ECROFI Meeting (Granada, Spain 2009), 279-280.
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Watenphul, A.; Wunder, B.; Koch-Müller, M. (2008): Temperature Dependence of the OH-Streching mode in Topaz-OH and F-rich Natural Topaz. 86. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Berlin 2008), 217.
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Watenphul, A.; Wunder, B.; Koch-Müller, M.; Gottschalk, M. (2008): Quantification of the hydrogen-bond geometry in topaz-OH by low-T IR-spectroscopy. 12th International Conference on Experimental Mineralogy, Petrology and Geochemistry - EMPG XII (Innsbruck, Austria 2008), 114.
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Watenphul, A.; Wunder, B.; Kurzweil, F.; Heinrich, W. (2008): Synthesis and characterization of the high-pressure phases NH4-hollandite, NH4-wadeite, NH4-cymrite and solid solutions of (NH4,K) phengite. 12th International Conference on Experimental Mineralogy, Petrology and Geochemistry - EMPG XII (Innsbruck, Austria 2008), 115.
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Watenphul, A. (2010): Volatile transport into the Earth's mantle - Experimental studies on the deep nitrogen cycle and on the (OH, F) site in topaz. Technische Universität.
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