Publications

Sections labelled with * list first-author contributions only. DOI links are embedded in titles when available.

Journal Articles & Book Chapters
Husband, R. J., Strohm, C., Appel, K. and others (2023) A MHz X-ray diffraction set-up for dynamic compression experiments in the diamond anvil cell. J. Synchrotron Rad. (in press).
Wang, B., Buchen, J., Méndez, A. S. J., Kurnosov, A., Criniti, G., Liermann, H.-P. & Marquardt, H. (2023) Strong effect of stress on the seismic signature of the post-stishovite phase transition in the Earth's lower mantle. Geophys. Res. Lett., 50, e2023GL102740.
Strozewski, B., Buchen, J., Sturhahn, W., Ishii, T., Ohira, I., Chariton, S., Lavina, B., Zhao, J., Toellner, T. S. & Jackson, J. M. (2023) Equation of state and spin crossover of (Fe,Al)-phase H. J. Geophys. Res. Solid Earth, 128, e2022JB026291.
Miyajima, N., Buchen, J. & Kawazoe, T. (2022) Twinning in hydrous wadsleyite: symmetry relations, origin, and consequences. Am. Mineral. (in press).
Immoor, J., Miyagi, L., Liermann, H.-P., Speziale, S., Schulze, K., Buchen, J., Kurnosov, A. & Marquardt, H. (2021) Weak cubic CaSiO3 perovskite in the Earth's mantle. Nature, 603, 276–279.
Buchen, J., Sturhahn, W., Ishii, T. & Jackson, J. M. (2021) Vibrational anisotropy of δ-(Al,Fe)OOH single crystals as probed by nuclear resonant inelastic X-ray scatteringEur. J. Mineral., 33, 485–502.
Buchen, J. (2021) Seismic wave velocities in Earth's mantle from mineral elasticity. In Mantle Convection and Surface Expressions (eds H. Marquardt, M. Ballmer, S. Cottaar & J. Konter) American Geophysical Union, pp. 51–95.
Wang, X., Chen, Q.-F., Niu, F., Wei, S., Ning, J., Li, J., Wang, W., Buchen, J. & Liu, L. (2020) Distinct slab interfaces imaged within the mantle transition zoneNat. Geosci., 13, 822–827.
Satta, N., Marquardt, H., Kurnosov, A., Buchen, J., Kawazoe, T., McCammon, C. & Boffa Ballaran, T. (2019) Single-crystal elasticity of iron-bearing phase E and seismic detection of water in Earth's upper mantleAm. Mineral.104, 1526–1529.
Buchen, J. (2019) Experiments cast light on mantle mineralogy. Nature (News & Views), 565, 168–170.
Buchen, J., Wesemann, V., Dehmelt, S., Gross, A. & Rytz, D. (2019) Twins in YAl3(BO3)4 and K2Al2B2O7 crystals as revealed by changes in optical activityCrystals9, 8.
Saki, M., Thomas, C., Cobden, L., Abreu, R. & Buchen, J. (2019) Causes for polarity reversals of PP precursor waves reflecting off the 410 km discontinuity beneath the AtlanticPhys. Earth Planet. Inter.286, 111–126.
Marquardt, H., Buchen, J., Mendez, A. S. J., Kurnosov, A., Wendt, M., Rothkirch, A., Pennicard, D. & Liermann H.-P. (2018) Elastic softening of (Mg0.8Fe0.2)O ferropericlase across the iron spin crossover measured at seismic frequenciesGeophys. Res. Lett.45, 6862–6868.
Buchen, J., Marquardt, H., Schulze, K., Speziale, S., Boffa Ballaran, T., Nishiyama, N. & Hanfland, M. (2018) Equation of state of polycrystalline stishovite across the tetragonal-orthorhombic phase transitionJ. Geophys. Res. Solid Earth123, 7347–7360.
Immoor, J., Marquardt, H., Miyagi, L., Lin, F., Speziale, S., Merkel, S., Buchen, J., Kurnosov, A. & Liermann, H.-P. (2018) Evidence for {100}<011> slip in ferropericlase in Earth's lower mantle from high-pressure/high-temperature experimentsEarth Planet. Sci. Lett.489, 251–257.
Buchen, J., Marquardt, H., Speziale, S., Kawazoe, T., Boffa Ballaran, T. & Kurnosov, A. (2018) High-pressure single-crystal elasticity of wadsleyite and the seismic signature of water in the shallow transition zoneEarth Planet. Sci. Lett.498, 77–87.
Buchen, J., Marquardt, H., Boffa Ballaran, T., Kawazoe, T. & McCammon, C. (2017) The equation of state of wadsleyite solid solutions: Constraining the effects of anisotropy and crystal chemistryAm. Mineral.102, 2494–2504.
Schulze, K., Buchen, J., Marquardt, K. & Marquardt, H. (2017) Multi-sample loading technique for comparative physical property measurements in the diamond-anvil cellHigh Pressure Res.37, 159–169.
Kawazoe, T., Buchen, J. & Marquardt, H. (2015) Synthesis of large wadsleyite single crystals by solid-state recrystallizationAm. Mineral.100, 2336–2339.
Theses
Buchen, J. (2013) Absorption Centers and Structural Defects in YAl3(BO3)4. Diplomarbeit, Johannes Gutenberg-Universität Mainz.
Conference Talks*
Buchen, J., Sturhahn, W. & Jackson, J. M. Thermodynamics of spin transitions: an experimental perspective. (Invited23rd General Meeting of the International Mineralogical Association, Lyon, Jul 18–22, 2022.
Buchen, J., Sturhahn, W., Ishii, T. & Jackson, J. M. Vibrational anisotropy of δ-(Al,Fe)OOH: a nuclear resonant inelastic X-ray scattering study on single crystals. 17th International Symposium on Experimental Mineralogy, Petrology and Geochemistry, (online), Mar 1–3, 2021.
Buchen, J., Pardo, O., Dobrosavljevic, V., Sturhahn, W., Ishii, T., Chariton, S., Greenberg, E. & Jackson, J. M. The equation of state of δ-(Al,Fe)OOH and the behavior of ferric iron in high-pressure oxyhydroxide phases. COMPRES Annual Meeting, (online), Aug 14, 2020.
Buchen, J., Jackson, J. M. & Sturhahn, W. Seismic signatures of continuous phase transitions in Earth's lower mantle. AGU Fall Meeting, San Francisco, Dec 9–13, 2019.
Buchen, J., Marquardt, H., Schulze, K., Speziale, S., Kurnosov, A., Chaudhari, A., Boffa Ballaran, T. & Nishiyama, N. The high-pressure elasticity of polycrystalline stishovite and seismic scattering in Earth's lower mantle. GeoBonn 2018, Bonn, Sep 2–6, 2018.
Buchen, J., Marquardt, H., Schulze, K., Speziale, S., Kurnosov, A., Chaudhari, A., Boffa Ballaran, T. & Nishiyama, N. High-pressure elasticity of polycrystalline stishovite and seismic scattering in Earth's lower mantle. 16th International Symposium on Experimental Mineralogy, Petrology and Geochemistry, Clermont-Ferrand, Jun 17–21, 2018.
Buchen, J., Marquardt, H., Schulze, K., Kurnosov, A., Boffa Ballaran, T., Speziale, S. & Kawazoe, T. Tracing water in the transition zone: from wadsleyite single-crystal elasticity to seismic observables. (Invited) EGU General Assembly, Vienna, Apr 8–13, 2018.
Buchen, J., Marquardt, H., Boffa Ballaran, T., Kawazoe, T., Speziale, S. & Kurnosov, A. How the 410-km discontinuity reflects mantle water content: Constraints from high-pressure experiments on wadsleyite single-crystal elasticity. AGU Fall Meeting, New Orleans, Dec 11–15, 2017.
Buchen, J., Marquardt, H., Kurnosov, A., Speziale, S., Kawazoe, T. & Boffa Ballaran, T. Internally consistent single-crystal elasticity of iron-bearing wadsleyite at high pressures and high temperatures. 2nd European Mineralogical Conference, Rimini, Sep 11–15, 2016.
Buchen, J., Marquardt, H., Kawazoe, T., Kurnosov, A. & Boffa Ballaran, T. High-pressure single- crystal elasticity of wadsleyite: Constraints on seismic anisotropy in the transition zone. GeoBerlin 2015, Berlin, Oct 4–7, 2015.
Conference Posters*
Buchen, J., Wang, B., Satta, N., Trautner, V., Criniti, G., Méndez, A. S. J. & Marquardt, H. Cyclic loading of polycrystalline materials under high pressures. 23rd General Meeting of the International Mineralogical Association, Lyon, Jul 18–22, 2022.
Buchen, J., Pardo, O., Dobrosavljevic, V. V., Sturhahn, W., Ishii, T., Chariton, S., Greenberg, E., Toellner, T. S. & Jackson, J. M. The thermal equation of state of δ-(Al,Fe)OOH: a spin–hydrogen connection in Earth's lower mantle? AGU Fall Meeting, New Orleans (online), Dec 13–17, 2021.
Buchen, J., Jackson, J. M., Sturhahn, W. & Ishii, T. Vibrational anisotropy of δ-(Al,Fe)OOH. COMPRES Annual Meeting, Big Sky, Aug 2–5, 2019.
Buchen, J., Marquardt, H., Schulze, K., Speziale, S., Kurnosov, A., Chaudhari, A., Boffa Ballaran, T. & Nishiyama, N. The ferroelastic phase transition in polycrystalline stishovite and seismic scattering in Earth's lower mantle. AGU Fall Meeting, Washington, DC, Dec 10–14, 2018.
Buchen, J., Schulze, K., Marquardt, H., Kurnosov, A., Boffa Ballaran, T., Speziale, S., Kawazoe, T. & Koch-Müller, M. Tracing water in the transition zone: from single-crystal elasticity to seismic observables. GeoBonn 2018, Bonn, Sep 2–6, 2018.
Buchen, J., Marquardt, H., Schulze, K., Kurnosov, A., Chaudhari, A., Boffa Ballaran, T., Speziale, S. & Nishiyama, N. Stiffer than expected: high-pressure elasticity of polycrystalline stishovite questions seismic signature of deep silica. EGU General Assembly, Vienna, Apr 8–13, 2018.
Buchen, J., Marquardt, H., Speziale, S., Kawazoe, T., Boffa Ballaran, T. & Kurnosov, A. High-pressure high-temperature single-crystal elasticity of iron-bearing wadsleyite: Reappraising the water sensitivity of seismic observables. (Best Poster Award) 9th High-Pressure Mineral Physics Seminar, Saint Malo, Sep 24–28, 2017.
Buchen, J., Marquardt, H., Kurnosov, A., Boffa Ballaran, T., Speziale, S. & Kawazoe, T. Internally consistent single-crystal elasticity of (Mg0.89Fe0.11)2SiO4 wadsleyite at high pressures and high temperatures. (AGU Student Travel Grant) AGU Fall Meeting, San Francisco, Dec 12–16, 2016.
Buchen, J., Marquardt, H., Kurnosov, A., Speziale, S., Kawazoe, T. & Boffa Ballaran, T. Internally consistent single-crystal elasticity of (Mg,Fe)2SiO4 wadsleyite at high pressures and high temperatures. 54th European High Pressure Research Group International Meeting on High Pressure Science and Technology, Bayreuth, Sep 4–9, 2016.
Buchen, J., Marquardt, H., Boffa Ballaran, T., Speziale, S., Kawazoe, T. & Kurnosov, A. Internally consistent high-pressure single-crystal elasticity of (Mg,Fe)2SiO4 wadsleyite. International Workshop: New Challenges in Volatile Cycling in the Deep Earth, Sendai, Jul 3–6, 2016.
Buchen, J., Marquardt, H., Boffa Ballaran, T., Speziale, S., Kawazoe, T. & Kurnosov, A. Internally consistent high-pressure single-crystal elasticity of (Mg,Fe)2SiO4 wadsleyite. 15th International Symposium on Experimental Mineralogy, Petrology and Geochemistry, Zürich, Jun 5–8, 2016.
Buchen, J., Marquardt, H., Kawazoe, T., Kurnosov, A. & Boffa Ballaran, T. Internally consistent high-pressure elasticity of single-crystal (Mg,Fe)2SiO4 wadsleyite. Goldschmidt 2015, Prague, Aug 16–21, 2015.
Buchen, J., Wesemann, V., Rytz, D., Häger, T., Buhre, S. & Hofmeister, W. UV-absorption centers and microstructure of YAl3(BO3)4 single crystals. German Crystal Growth Meeting, Halle, Mar 11–14, 2014.
Seminars & Outreach Talks
Buchen, J. Mineral physics of Earth's lower. mantle: Waves, water, and electrons. Bayerisches Geoinstitut, Universität Bayreuth, Bayreuth, Jun 1, 2022.
Buchen, J. The ocean–tectonics nexus: Diving deeper with high-pressure experiments. Fachbereich Geowissenschaften, Universität Bremen, (online), Aug 20, 2020.
Buchen, J. Mineral physics: Targets and techniques. College of Science and Mathematics, California Polytechnic State University, San Luis Obispo, Mar 6, 2020.
Buchen, J. Defining seismic signatures to trace deep Earth material cycles. Seismological Labora- tory, California Institute of Technology, Pasadena, Jan 25, 2019.
Buchen, J. High-pressure elasticity of wadsleyite and stishovite: Tracing water and silica in Earth's mantle. Institut für Geochemie und Petrologie, Eidgenössische Technische Hochschule Zürich, Zürich, Apr 23, 2018.
Buchen, J. The fast and the faint: seismic signatures of water and silica in Earth's mantle from mineral elasticity measurements. Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie, Sorbonne Université, Paris, Feb 22, 2018.
Buchen, J. & Marquardt, H. Experimentelle Reise in die Tiefe der Erde (experimental journey into the deep Earth). Bayerische Akademie der Wissenschaften, Munich, May 20, 2017.
© Johannes Buchen 2023
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