Book Chapters:
44. Speziale, S.; Marquardt, H.; Duffy, T. S. (2014): Brillouin Scattering in Geosciences. In MSA Reviews in Mineralogy and Geochemistry, 78, 543-603 (Link)
Peer-reviewed Articles (*and # denote supervised students and postdocs
43. Couper, S.; Speziale, S.; Marquardt, H.; Liermann, H.-P.; Miyagi, L. (2020): Experimental Evidence for Heterogeneous Strain as a Control on Seismic Anisotropy in Earth’s Lower Mantle. Frontiers in Geophysics, 8, 427.
42. Mendéz*, A.; Marquardt, H.; Husband, R.; Schwark, I.; Mainberger, J.; Glazyrin, K.; Kurnosov, A.; Otzen, C.; Satta*, N.; Bednarcik, J.; Liermann, H.-P. (2020): A resistively-heated dynamic diamond anvil cell (RHdDAC) for fast compression x-ray diffraction experiments at high temperatures. Review of Scientific Instruments, doi: 10.1063/5.0007557.
41. Marquardt, H.; Thomson, A. (2020): Experimental Elasticity of Earth’s Deep Mantle. Nature Reviews Earth and Environment, 9, 455-469.
40. Immoor*, J.; Marquardt, H.; Miyagi, L.; Speziale, S.; Merkel, S.; Liermann, H.-P. (2020): An improved setup for radial diffraction experiments at high pressures and high temperatures in a resistive graphite-heated DAC. Review of Scientific Instruments, 4, 045121.
39. Thielmann, M.; Golabek, G.: Marquardt, H. (2020): Ferropericlase control of lower mantle rheology: Impact of phase morphology. Geochemistry, Geophysics, Geosystems, 21(2), e2019GC008688.
38. Koemets*, I.; Satta, N.*; Kurnosov#, A.; Marquardt, H.; Kiseeva, E.S.; Stachel, Th.; Harris, J.W.; Dubrovinsky, L. (2020): Elastic properties of majoritic garnet inclusions in diamonds and the seismic signature of pyroxenites in Earth’s upper mantle. American Mineralogist, 105(7), 984–991.
37. Speziale, S.; Immoor*, J.; Ermakov, A.; Marquardt, H.; Liermann, H.-P. (2019): The equation of state of TaC0.99 by X-ray diffraction in radial scattering geometry to 32 GPa and 1073 K. Journal of Applied Physics, 126(10), 105107.
36. Satta*, N.; Marquardt, H.; Kurnosov, A.#; Buchen, J.; Kawazoe, T.; McCammon, C.; Boffa Ballaran, T. (2019): Single-crystal elasticity of iron-bearing phase E by Brillouin spectroscopy and seismic detection of water in Earth’s upper mantle. American Mineralogist, 104(10), 1526.
35. Jenei, Zs.; Liermann, H.-P.; Husband, R.; Méndez*, A.S.J.; Pennicard, D.; Marquardt, H.; O’bannon, E.F.; Pakhomova, A.; Konopkova, Z.; Glazyrin, K.; Wendt, M.; Wenz, S.; McBride, E.E.; Morgenroth, W.; Winkler, B.; Rothkirch, A.; Hanfland, M.; Evans, W. (2019): New dynamic diamond anvil cells for tera-pascal per second fast compression x-ray diffraction experiments. Review of Scientific Instruments, 90, 065114. (Link)
34. Preston, T.R.; Appel, K.; Brambrink, E.; Chen, B.; Fletcher, L.B.; Fortmann-Grote, C.; Glenzer, S.H.; Granados, E.; Göde, S.; Konopkova, Z.; Lee, H.J.; Marquardt, H.; McBride, E.E.; Nagler, B.; Nakatsutsumi, M.; Sperling, P.; Witte, B.B.L.; Zastrau, U. (2019): Measurements of the momentum-dependence of plasmonic excitations in matter around 1 Mbar using an X-ray Free Electron Laser. Applied Physics Letters, 114, 014101, doi.org/10.1063/1.5070140. (Link)
33. Kurnosov, A.#; Marquardt, H.; Dubrovinsky, L.; Potapkin, V.# (2018): A waveguide-based flexible CO2 laser heating system for diamond-anvil cell applications. Comptes Rendus Geosciences, in press, doi.org/10.1016/j.crte.2018.09.008. (Link)
32. Kurnosov, A.#; Marquardt, H.; Frost, D.J.; Boffa Ballaran, T.; Ziberna, L. (2018): Reply to Comment on „ Evidence for a Fe3+-rich pyrolitic lower mantle from (Al,Fe)-bearing bridgmanite elasticity data“. Nature, 564, E27-E31. (Link)
31. Schulze, K.*; Pamato, M.G.; Kurnosov, A.#; Boffa Ballaran, T.; Glazyrin, K.; Pakhomova, A.; Marquardt, H. (2018): High-pressure single-crystal structural analysis of AlSiO3OH Phase Egg. American Mineralogist, 103 (12), 1975-1980. (Link)
30. 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 transition, Journal of Geophysical Research: Solid Earth, doi: 10.1029/2018JB015835. (Link)
29. Marquardt, H.; Buchen, J.*; Mendez, A.*; 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 frequencies, Geophysical Research Letters, doi: 10.1029/2018GL077982. (Link). (selected as “Research Highlight” by DESY Synchrotron)
28. Schulze, K.*; Marquardt, H.; Kawazoe, T.; Boffa Ballaran, T.; McCammon, C.; Koch-Müller, M.; Kurnosov, A.#; Marquardt, K. (2018): Seismically Invisible Water in Earth’s Transition Zone? Earth and Planetary Science Letters, 498, 9-16. (Link)
27. Buchen, J.*; Marquardt, H.; Boffa Ballaran, T.; Speziale, S.; Kurnosov; A.#; Kawazoe, T. (2018): High-pressure single-crystal elasticity of wadsleyite and the seismic signature of water in the shallow transition zone. Earth Planetary Science Letters, 498, 77-87. (Link)
26. 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 experiments. Earth and Planetary Science Letters, 489, 251-257. (Link)
- work highlighted as “News and Highlights” by DESY (Link)
25. Lin, F.; Merkel, S.; Hilairet, N.; Marquardt, H.; Immoor, J.*; Tomé, C.; Miyagi, L.: Elasto-visco-plastic self-consistent (EVPSC) modeling of periclase deformation at high pressure. Submitted to Journal of Applied Physics, 122, 205902 (Link).
24. Buchen, J.*; Marquardt, H.; Boffa Ballaran, T.; McCammon, C.; Kawazoe, T. (2017): The equation of state of wadsleyite solid solutions: Constraining the effects of anisotropy and crystal chemistry. In press, American Mineralogist, 102 (12): 2494-2504 (Link).
23. Marquardt, K.; De Graef, M; Singh, S.; Marquardt, H.; Rosenthal, A.; Hiraga, T.; Koizumi, S. (2017): Quantitative electron backscatter diffraction data (EBSD) analyses using the dictionary indexing (DI) approach: overcoming indexing difficulties on geological materials. In press, American Mineralogist,
22. Schulze, K.*; Buchen, J.*; Marquardt, K.,Marquardt, H. (2017): Multi-sample loading technique for physical property measurements in the diamond-anvil cell. In press, High-Pressure Research, 37, 159-169(Link).
21. Nishiyama, N.; Ishikawa, R.; Ohfuji, H.; Marquardt, H.; Kurnosov, A.#; Taniguchi, T.; Kim, B.-N.; Yoshida, H.; Masuno, A.; Bednarcik, J.; Kulik, E.; Ikuhara, Y.; Wakai, F.; Irifune, T. (2017): Transparent polycrystalline cubic silicon nitride. In press, Scientific Reports, 7, 44755 (Link).
20. Kurnosov#, A.; Marquardt, H.; Frost, D.J.; Boffa Ballaran, T.; Ziberna, L. (2017): High-pressure single crystal elasticity measurements of Al-Fe-bridgmanite support a Fe3+-rich pyrolitic lower mantle. Nature, 543, 543-546 (Link).
19. Marquardt, K; Rohrer, G.; Rybacki, E.; Marquardt, H.; Lin, B. (2015): The most frequent interfaces in olivine aggregates: the GBCD and its importance for grain boundary related processes. Contributions to Mineralogy and Petrology, 170, 1-17 (Link).
18. Kawazoe, T.; Buchen*, J.; Marquardt, H. (2015): Synthesis of large wadsleyite single crystals by solid-state recrystallization. American Mineralogist, 100, 2336-2339 (Link).
17. Marquardt, H.; Miyagi, L. (2015): Slab stagnation in the shallow lower mantle linked to an increase in mantle viscosity. Nature Geoscience, 8, 311-314 (Link)
- work highlighted in “News and Views” in Nature Geoscience (Link)
- work highlighted as “Editor’s Choice” in Science (Link)
- work highlighted as “Science Brief” by the Advanced Light Source (Link)
16. Mookherjee, M.; Speziale, S.; Marquardt, H.; Jahn, S.; Wunder, B.; Koch-Müller, M.; Liermann, H.-P. (2015): Equation of state and elasticity of the 3.65 Å phase – a candidate cause of the seismic X-discontinuity. American Mineralogist, 100, 2199-2208 (Link).
15. Marquardt, H.; Speziale, S.; Koch-Müller, M.; Marquardt, K.; Capitani, G. (2015): Structural insights and elasticity of single-crystal antigorite from high-pressure Raman and Brillouin spectroscopy measured in the (010) plane. American Mineralogist, 100, 1932-1939 (Link).
14. Marquardt, H.; Speziale, S.; Gleason, A.; Sinogeikin, S.; Kantor, I.; Prakapenka, V. (2013): Brillouin Scattering and X-ray Diffraction of Solid Argon to 65 GPa and 700 K: Shear strength of argon at HP/HT. Journal of Applied Physics, 114: 093517. (Link)
13. Speziale, S.; Marquardt, H.; Liermann, H.-P. (2013): Approaches to constrain single-crystal elastic constants from Brillouin scattering of polycrystalline samples. High-Pressure Research, 33: 607-621 (Link)
12. Lin, J.-F.; Speziale, S.; Mao, Z.; Marquardt, H. (2013): Effects of the electronic spin transitions of iron in lower-mantle minerals: implications to deep-mantle geophysics and geochemistry. Reviews in Geophysics, 51: 244-275 (Link)
11. Marquardt, H.; Waeselmann, N.; Wehber, M.; Angel, R.J.; Gospodinov, M.; Mihailova, B. (2013): High-pressure Brillouin scattering of single-crystal PbSc1/2Ta1/2O3 relaxor ferroelectric. Physical Review B, 87: 184113 (Link)
10. Marquardt, H.; Marquardt, K. (2012): Focused Ion Beam preparation and characterization of single-crystal samples for high-pressure experiments in the diamond-anvil cell. American Mineralogist, 97: 299-304 (Link, pdf)
9. Marquardt, H.; Speziale, S.; Reichmann, H.J.; Konopkova, Z.; Morgenroth, W.; Liermann, H.-P. (2011): The Effect of Crystallite Size and Stress Condition on the Equation of State of Nano-crystalline MgO. Journal of Applied Physics, 110: 113512-113515. (Link)
8. Marquardt, H.; Gleason, A.; Marquardt, K.; Speziale, S.; Miyagi, L.; Neusser, G.; Wenk, H.-R.; Jeanloz, R. (2011): Elastic Properties of MgO Nano-crystals and Grain Boundaries to High Pressures. Physical Review B, 84: 064131. (Link)
- work selected as “Science Highlight” at HASYLAB, DESY Hamburg, 01/2012 (Link)
7. Weidenfeller, B.; Marquardt, H.; Razzaq, M.Y.; Anhalt, M.; Schilling, F.R.; Frormann, L. (2011): Thermal Properties of Polyurethane Shape Memory Polymer Filled With Magnetite Particles. Proceedings of AJTEC2011, 44050 (Link)
6. Gleason, A.; Marquardt, H.; Chen, B.; Speziale, S.; Wu, J.; Jeanloz, R. (2011): Anomalous sound velocities in polycrystalline MgO under non-hydrostatic compression. Geophysical Research Letters, 38, L03304 (Link)
5. Cammarano, F.; Marquardt, H.; Speziale, S.; Tackley, P. (2010): Role of iron-spin transition in ferropericlase on seismic interpretation: A broad thermochemical transition in the mid mantle? Geophysical Research Letters, 37, L03308. (Link)
- work highlighted as “Editor’s choice” in Science 327, 2010 (Link)
4. Marquardt, H.; Speziale, S.; Reichmann, H. J.; Frost, D. J.; Schilling, F. R.; Garnero, E. J. (2009): Elastic Shear Anisotropy of Ferropericlase in Earth’s Lower Mantle. Science, 324, 224-226. (Link)
- selected as “Science Highlight” in Diamond Light Source Annual Report 2009 (Link)
3. Marquardt, H.; Speziale, S.; Reichmann, H. J.; Frost, D. J.; Schilling, F. R. (2009): Single-crystal Elasticity of (Mg,Fe)O to 81.2 GPa. Earth and Planetary Science Letters, 287, 345-352 (Link)
2. Marquardt, H.; Speziale, S.; Jahn, S.; Ganschow, S.; Schilling, F. R. (2009): Single-crystal Elastic Properties of (Y,Yb)3Al5O12. Journal of Applied Physics, 106:093519 (Link)
1. Marquardt, H.; Ganschow, S.; Schilling, F. R. (2009): Thermal Diffusivity of Natural and Synthetic Garnet Solid Solution Series. Physics and Chemistry of Minerals, 36, 107-118 (Link)
Reports:
Marquardt, H.; Speziale, S.; Morales, L.; Liermann; H.-P. (2013): Deformation structures in lower mantle assemblages. DESY HASYLAB annual report.
Speziale, S.; Liermann, H.-P.; Miyagi, L.; Marquardt, H. (2013): Texture analysis of binary mixtures of MgGeO3 and (Mg,Fe)O at in situ high pressure and temperature in the resistive-heated radial diamond anvil cell. DESY HASYLAB annual report.
Speziale, S.; Liermann, H.-P.; Marquardt, H.; Reichmann, H.J.; Wunder, B. (2013): The equation of state of the 3.65 Å phase, a potential carrier of hydrogen in subduction environments. DESY HASYLAB annual report.
Others:
Marquardt, H. (2018): Experimental Geophysics. Habilitationsschrift, Universität Bayreuth.
Münkler, L.; Marquardt, H. (2017): Vom Spezial- zum Interdiskurs: Zur Problematik der Aufarbeitung wissenschaftlicher Erkenntnisse für die Öffentlichkeit. Akademie Aktuell, 02/2017, 21-26.
Speziale, S.; Reichmann, H. J., Marquardt, H. (2012): Die tiefe Erde im Labor. GFZ-Journal, Jahrgang 2, Heft 2, 50-55.
Marquardt, H. (2011), Reise in die Tiefe. GAIA Sonderveröffentlichung „Wissenschaft verstehen“, 1, 16-18.
Marquardt, H. (2009): Single-crystal elastic properties of geomaterisls. Promotionsschrift, Freie Universität Berlin.
Conference Abstracts (selection, *,# denote supervised students, postdocs):
Preston, T.R.; Sperling, P.; Appel, K.; Chen, B.; Fletcher, L.; Glenzer, S.H.; Göde, S.; Konopkova, Z.; Lee, H.J.; Marquardt, H.; McBride, E.E.; Nagler, B.; Nakatstsumi, M.; Witte, B.B.L.; Zastrau, U. (2018): High resolution measurement of the momentum-dependent plasmonic excitations at 1 Mbar matter, Plasma Physics Conference, European Physical Society, Prague.
San José Mendez, A.*; Marquardt, H.; Liermann, H.-P.; Buchen, J. (2018): Time-resolved X-ray diffraction study of the spin crossover of (MgFe)O under dynamic compression. EMPG 16, Clermont-Ferrand.
Satta, N.*; Marquardt, H.; Kurnosov, A.#; Boffa Ballaran, T.; Buchen, J.*; McCammon, C.; Kawazoe, T.: Single-crystal elasticity of iron-rich phase E. EMPG 16, Clermont-Ferrand.
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 EMPG 16, Clermont-Ferrand.
Schulze, K.*; Boffa Ballaran, T.; Pamato, M.G.; Kurnosov, A.#; Glazyrin, K.; Marquardt, H.; Pakhomova, A. (2018): High pressure single-crystal structural analysis of AlSiO3OH phase egg, EMPG 16, Clermont-Ferrand.
Couper, S.; Speziale, S.; Marquardt, H.; Liermann, H.-P.; Miyagi, L. (2018): Deformation of a lower mantle assemblage at high temperature, SSAP Symposium, Washington D.C.
Buchen, J.*; Marquardt, H.; Schulze, K.*; Kurnosov, A.#; Boffa Ballaran, T.; Speziale, S.; Kawazoe, T. (2018): Tracing Water in the Transition Zone: From Wadsleyite Single-Crystal Elasticity to Seismic Observables, EGU meeting, Vienna.
Buchen, J.*; Marquardt, H.; Schulze, K.*; Kurnosov, A.#; Boffa Ballaran, T.; Speziale, S.; Nishiyama, N. (2018): Stiffer Than Expected: High-Pressure Elasticity of Polycrystalline Stishovite Questions Seismic Signature of Deep Silica, EGU meeting, Vienna.
Marquardt, H.; Kurnosov, A.#; Frost, D.; Boffa Ballaran, T.; Ziberna, L. (2017): High-pressure single-crystal elasticity measurements of Al-Fe-bridgmanite support a Fe3+-rich pyrolitic lower mantle. AGU Fall Meeting, New Orleans, 11.-15.12.07.
Buchen, J.*; Marquardt, H.; Boffa Ballaran, T.; Kawazoe, T.; Speziale, S.; Kurnosov, A.# (2017): How the 410-km discontinuity reflects mantle water content: Constraints from high-pressure experiments on wadsleyite single-crystal elasticity. AGU Fall Meeting, New Orleans, 11.-15.12.07.
Schulze, K.*; Marquardt, H.; Boffa Ballaran, T.; Kurnosov, A.#; Kawazoe, T.; Koch-Müller, M. (2017): Small Effect of Hydration on Elastic Wave Velocities of Ringwoodite in Earth’s Transition Zone. AGU Fall Meeting, New Orleans, 11.-15.12.07.
Immoor, J.*; Marquardt, H.; Miyagi, L.; Lin, F.; Speziale, S.; Merkel, S.; Buchen, J.*; Kurnosov, A.#; Liermann, H.-P. (2017): Experimental deformation of (Mg,Fe)O ferropericlase in a resistive-heated DAC at conditions of the Earth’s lower mantle. AGU Fall Meeting, New Orleans, 11.-15.12.07.
Marquardt, H.; Kurnosov, A.#; Frost, D.; Boffa Ballaran, T.; Ziberna, L. (2017): High-pressure single-crystal elasticity measurements of Al-Fe-bridgmanite up to lower mantle pressures. High-Pressure Mineral Physics Seminar (HPMPS-9), Saint Malo, 24.-28.09.17 (invited).
Marquardt, H.; Kurnosov, A.#; Dubrovinsky, L.; Potapkin, V.# (2017): A waveguide-based fexible CO2 laser heating system. High-Pressure Mineral Physics Seminar (HPMPS-9), Saint Malo, 24.-28.09.17.
Buchen, J.*; Marquardt, H.; Speziale, S.; Kawazoe, T.; Boffa Ballaran, T.; Kurnosov, A.# (2017): High-pressure high-temperature single-crystal elasticity of iron-bearing wadsleyite: Reappraising the water sensitivity of seismic observables. High-Pressure Mineral Physics Seminar (HPMPS-9), Saint Malo, 24.-28.09.17.
Schulze, K.*; Marquardt, H.; Kawazoe, T.; Koch-Müller, M.; Kurnosov#, A.; Boffa Ballaran, T. (2017): The Effect of Hydration on the Elastic Properties of Ringwoodite at Transition Zone Pressures. High-Pressure Mineral Physics Seminar (HPMPS-9), Saint Malo, 24.-28.09.17.
Marquardt, H.; Schulze, K.*; Kurnosov#, A.; Boffa Ballaran, T.; Kawazoe, T.; Koch-Müller, M. (2017): Comparative Brillouin Spectroscopy Measurements Suggest that Water May be Seismically Invisible in Earth’s Transition Zone. Goldschmidt Conference, Paris, 13.-18.08.17. Goldschmidt Abstracts 2017: 2581 (invited).
Liermann, H.-P.; Jenei, Z.; Pakhomova, A.; San José*, A.; Konopkova, Z.; Marquardt, H.; Wendt, M.; Wenz, S.; Pennicard, D.; Rothkirch, A.; Morgenroth, W.; Evans, W. (2017): Fast diffraction in the dynamic driven diamond anvil cell employing pink beam and fast GaAs lambda detectors at the Extreme Conditions Beamline, PETRA III, DESY. AIRAPT 26, Beijing, 19.-24.08.17. Abstract P191.
Appel, K.; Konopkova, Z.; Dubrovinsky, L.; Liermann, H.-P.; Marquardt, H.; Tschentscher, Th. (2017): Novel platform for high-pressure static and dynamic X-ray diffraction experiments. IUCr congress, Hyderabad, 21.-28.08.17.
Marquardt, H.; Schulze, K.; Kurnosov, A.; Buchen, J.; Frost, D.; Boffa Ballaran, T.; Marquardt, K.; Kawazoe, T. (2017): Understanding the Earth’s Mantle Through Advanced Elasticity Measurements. EGU General Assembly, Vienna, 23.-28.04.17. Geophysical Research Abstracts 19, EGU2017-12224 (invited).
Lin, F.; Merkel, S.; Hilairet, N.; Marquardt, H.; Immoor, J.*; Tomé, C.; Miyagi, L. (2016): Application of the Elasto-Viscoplastic Self Consistent (EVPSC) Code to Modeling Texture and Lattice Strain Evolution in Periclase. AGU Fall Meeting
Buchen, J.*; Kurnosov, Marquardt, H.; Boffa Ballaran, T.; Speziale, S.; Kawazoe, T. (2016): Internally Consistent Single-Crystal Elasticity of (Mg89Fe0.11)2SiO4 Wadsleyite at High Pressures and High Temperatures. AGU Fall Meeting
Marquardt, H.; Kurnosov, A.#; Boffa Ballaran, T.; Marquardt, K.; Frost, D.J.; Liermann, H.-P.; Speziale, S.; Miyagi, L.; Merkel, S.; Immoor, J.*; Buchen, J.*; Schulze, K.* (2016): Insights into the nature of Earth’s mantle from elasticity and rheology measurements at high-pressure/high-temperature. European Mineralogical Conference EMC
Buchen, J.*; Kurnosov, A.#; Marquardt, H.; Boffa Ballaran, T.; Speziale, S.; Kawazoe, T. (2016): Internally consistent high-pressure single-crystal elasticity of (Mg,Fe)2SiO4 European Mineralogical Conference EMC
Schulze, K.*, Marquardt, H.; Kawazoe, T.; Kurnosov, A.#; Koch-Müller, M.; Boffa Ballaran, T. (2016): The effect of iron content and hydration state on the elastic moduli of single-crystal ringwoodite at high pressure. EHPRG Meeting
Buchen, J.; Kurnosov, Marquardt, H.; Boffa Ballaran, T.; Speziale, S.; Kawazoe, T. (2016): Internally consistent high-pressure single-crystal elasticity of (Mg,Fe)2SiO4 EHPRG Meeting
Immoor, J.*; Marquardt, H.; Speziale, S.; Liermann, H.-P. (2016): Deformation behaviour of ferropericlase (Mg,Fe)O in a graphite heated diamond anvil cell under lower mantle conditions. EHPRG Meeting
Kurnosov, A.#; Marquardt, H.; Boffa Ballaran, T.; Frost, D.J. (2016): Study of the single-crystal elasticity of Mg9Fe0.1Si0.9Al0.1O3 bridgmanite up to lower mantle pressures. EHPRG Meeting
Frost, D.J.; Kurnosov, A.#; Boffa Ballaran, T; Marquardt, H.; Armstrong, K.; Myhill, R. (2016): The Redox State of the Earth’s Lower Mantle. Goldschmidt Conference
Marquardt, H.; Immoor, J.*; Miyagi, L.; Speziale, S.; Liermann, H.-P. (2016): Experimental high-pressure/high-temperature deformation of lower mantle materials at DESY. EMPG Zürich
Schulze, K.*, Marquardt, H.; Kawazoe, A.; Kurnosov, A.#; Koch-Müller, M.; Boffa Ballaran, T. (2016): Direct quantification of the effect of Fe and OH on the HP/HT single-crystal elasticity of ringwoodite. EMPG Zürich
Marquardt, H.; Kurnosov, A.#; Boffa Ballaran T.; Frost, D.J.; Ziberna, L.; Miyagi, L.; Liermann, H.-P.; Speziale, S.; Immoor, J.* (2016): Composition and Structure of Earth’s Lower Mantle from Elasticity and Rheology Measurements. EGU General Assembly
Buchen, J.*, Marquardt, H.; Boffa Ballaran, T.; Speziale, S.; Kawazoe, T.; Kurnosov, A.# (2016): Internally consistent high-pressure single-crystal elasticity of (Mg,Fe)2SiO4 EMPG Züri
Marquardt, H.; Golabek, G.J.; Miyagi, L.; Gerya, T.V. (2015): The response of subducting slabs to a strength increase in the shallow lower mantle constrained by numerical modelling. GeoBerlin Meeting 2015
Kurnosov#, A.; Marquardt, H.; Boffa Ballaran, T.; Frost, D.J. (2015): The effect of iron and aluminium incorporation on the single-crystal elasticity of bridgmanite at high pressure. GeoBerlin Meeting 2015
Buchen*, J.; Marquardt, H.; Kawazoe, T.; Kurnosov#, A.; Boffa Ballaran, T. (2015): High-pressure single-crystal elasticity of wadsleyite: Constraints on seismic anisotropy in the transition zone. GeoBerlin Meeting 2015
Speziale, S.; Liermann, H.-P.; Lo Nigro, G.; Marquardt, H.; Reichmann, H.J. (2015): Compression of (Mg0.9Fe0.1)2SiO4 olivine at ambient temperature to lower mantle pressures. GeoBerlin Meeting 2015
Marquardt, H.; Kurnosov*, A.; Boffa Ballaran, T.; Marquardt, K.; Frost, D.; Buchen*, J.; Schulze*, K. (2015): Internally consistent elasticity measurements of FIB-prepared single-crystals at high-pressure and high-temperature by Brillouin spectroscopy and X-ray diffraction. Workshop of IUCr, Campinas, Brazil
Frost, D.; Kurnosov#, Al.; Boffa Ballaran T.; Marquardt, H.; Ziberna, L.; Chantel, J. (2015): The Influence of Iron Partitioning on Seismic Wave Velocities in the Lower Mantle. Goldschmidt Conference 2015
Kurnosov#, A.; Marquardt, H.; Boffa Ballaran, T.; Frost, D.J. (2015): Single-crystal elastic properties of Mg0.88Fe0.12Si0.09Al0.11O3 – bridgmanite at high pressure. Goldschmidt Conference 2015
Schulze*, K.; Marquardt, H.; Kawazoe, T.; Koch-Müller, M.; Kurnosov#, A.; Boffa Ballaran, T. (2015): Direct quantification of the effects of iron content and hydration on the high-pressure elasticity of single-crystal ringwoodite. Goldschmidt Conference 2015
Buchen*, J.; Marquardt, H.; Kawazoe, T.; Kurnosov#, A.; Boffa Ballaran, T. (2015): Internally consistent high-pressure elasticity of single-crystal (Mg,Fe)2SiO4 wadsleyite. Goldschmidt Conference 2015
Liermann, H.-P.; Ehnes, A.; Speziale, S.; Marquardt, H.; Miyagi, L.; Singh, A.K. (2015): A new setup for remote-controlled compression/decompression radial x-ray diffraction at extreme pressures and temperatures. ESRF user meeting 2015
Speziale, S.; Marquardt, H.; Miyagi, L.; Liermann, H.-P. (2015): Studying the activity of slip systems in lower mantle minerals. 26th IUGG General Assembly
Marquardt, H.; Miyagi, L.; Merkel, S.; Tomé, C.; Speziale, S.; Liermann, H.-P. (2014): High-pressure/high-temperature deformation of ferropericlase in the lower mantle. AGU Fall Meeting
Lin, J.-F.; Speziale, S.; Mao, Z.; Marquardt, H. (2013): Iron Partitioning and Elasticity across the Spin Transitions of Iron in the Lower Mantle. AGU Fall Meeting
Marquardt, H.; Miyagi, L. (2013): Strength of (Mg,Fe)O ferropericlase in Earth’s lower mantle. AGU Fall Meeting
Miyagi, L.; Marquardt, H.; Speziale, S.; Liermann, H.-P. (2013): Radial x-ray diffraction at the Extreme Conditions Beamline of PETRA III: In-situ texture analysis of a mixture of perovskite and ferropericlase to 1100 K and 40 GPa. AGU Fall Meeting
Speziale, S.; Marquardt, H.; Reinhard, F.; Liermann, H.-P. (2013): Approaches to constrain single-crystal elastic properties from Brillouin scattering of polycrystalline samples. AGU Fall Meeting
Mookherjee, M.; Speziale, S.; Marquardt, H.; Jahn, S.; Wunder, B.; Koch-Müller, M.; Liermann, H.-P. (2013): Elasticity and thermodynamics of the 3.65 Â phase in subduction zone settings. AGU Fall meeting
Marquardt, K.; Marquardt, H.; Speziale, S.; Koch-Müller, M.; Capitani, G.C. (2013): High-pressure Brillouin and Raman spectroscopy of a natural antigorite single-crystal. AGU Fall Meeting
Speziale, S.; Liermann, H.-P.; Marquardt, H. (2013): HP/HT Radial X-ray Diffraction and Brillouin Scattering Capabilities at the Extreme Condition Beamline of PETRA III. Workshop of IUCr
Marquardt, H.; Speziale, S.; Gleason, A.; Sinogeikin, S.; Kantor, I.; Prakapenka, V. (2013): Brillouin Scattering and X-ray Diffraction of Solid Argon to 65 GPa and 700 K: Shear Strength of Argon. Workshop of IUCr
Marquardt, H.; Miyagi, L.; Lee, K.K.M. (2013): Strength and Texture of (Mg,Fe)O Ferropericlase in Earth’s Lower Mantle. DMG Annual Meeting
Lin, J.-F.; Speziale, S.; Mao, Z.; Marquardt, H. (2012): Electronic spin transitions of iron in the lower-mantle: potential implications to deep-mantle geophysics and geochemistry. AGU Fall Meeting
Marquardt, H.; Speziale, S.; Koch-Müller, M.; Marquardt, K.; Capitani, G.; Jahn, S.; Wilke, M. (2012): High-pressure Brillouin and Raman spectroscopy of a natural antigorite single-crystal. European Mineralogical Conference
Marquardt, H.; Morales, L. F. G. (2012): Ferropericlase layering as potential cause for seismic anisotropy in Earth’s lower mantle? European Mineralogical Conference
Marquardt, H.; Speziale, S.; Gleason, A.; Sinogeikin, S.; Kantor, I.; Prakapenka, V. (2011): Brillouin Scattering and X-ray Diffraction of Argon to 65 GPa and 800 K, AGU Fall Meeting
Speziale, S.; Wunder, B.; Reichmann, H.R.; Marquardt, H.; Jahn, S.; Koch-Müller, M.; Liermann, H.-P. (2011): Static compression of the 3.65 Å phase of MgSi(OH)6 to 45 GPa. AGU Fall Meeting
Marquardt, H.; Gleason, A.; Marquardt, K.; Speziale, S.; Miyagi, L.; Neusser, G.; Jeanloz, R. (2011): Elastic properties of deep Earth materials by Brillouin scattering of polycrystalline materials at high pressures: The role of grain size and of texturing in MgO. CECAM-Workshop.
Marquardt, H.; Speziale, S.; Gleason, A.; Sinogeikin, S.; Kantor, I.; Prakapenka, V. (2011): The elastic properties and the equation of state of argon at high pressures and temperatures by simultaneous Brillouin scattering and X-ray diffraction, ThermoDynaMix III Workshop.
Marquardt, H.; Speziale, S.; Reichmann, H.J.; Liermann, H.-P. (2011): Synchrotron X-ray Diffraction of Nano-crystalline MgO Powder to 65 GPa. Mineralogical Magazine, 75(3): 1407
Marquardt, K.; Marquardt, H. (2011): Focused Ion Beam Cutting of Large Samples for Brillouin Spectroscopy. Mineralogical Magazine, 75(3): 1407
Marquardt, H.; Gleason, A.; Marquardt, K.; Speziale, S.; Miyagi, L.; Neusser, G.; Wenk, H.-R.; Jeanloz, R. (2011): Elastic Properties of Nano-crystalline MgO to High Pressures by Brillouin Scattering. Mineralogical Magazine, 75(3): 1406
Marquardt, H.; Marquardt, K.; Speziale, S. (2011): Ion Cutting of Large Samples for Brillouin Scattering: Elastic Anisotropy of Antigorite at High-Pressures. EGU General Assembly
Marquardt, H.; Gleason, A.; Marquardt, K.; Speziale, S.; Miyagi, L.; Neusser, G.; Jeanloz, R. (2011): Elastic Properties of Nano-crystalline MgO Powder to High Pressures by Brillouin Light Scattering. EGU General Assembly
Speziale, S., Marquardt, H., Wirth, R., Schreiber, A., Marquardt, K., Neusser, G., Reichmann, H.J. (2010): Combining Focused Ion Beam and Electron Microscopy to Prepare and Analyze Starting and Recovered Materials of High Pressure and Temperature Diamond-Anvil Cell Experiments. AGU Fall Meeting.
Marquardt, H.; Gleason, A.; Chen, B.; Speziale, S.; Miyagi, L.; Jeanloz, R. (2010): Brillouin Scattering and Radial X-ray Diffraction of Polycrystalline MgO to 30GPa. EMPG XIII
Marquardt, H.; Gleason, A.; Chen, B.; Speziale, S.; Miyagi, L.; Jeanloz, R. (2010): Brillouin Scattering and Radial X-ray Diffraction of Polycrystalline MgO to 30GPa. EGU General Assembly
Marquardt, H.; Speziale, S.; Reichmann, H. J.; Frost, D. J.; Schilling, F. R. (2009): Elastic Properties of (Mg0.9Fe0.1)O in Earth’s Lower Mantle. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI23A-1674
Cammarano, F.; Marquardt, H.; Speziale, S.; Tackley, P. (2009): A Broad Thermochemical Transition in the Lower Mantle? Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI21B-07
Gleason, A.; Marquardt, H.; Chen, B.; Speziale, S.; Miyagi, L.; Jeanloz, R. (2009): Brillouin Scattering and Preferred Orientation of Polycrystalline MgO at High-pressure. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract MR33A-1668
Speziale, S.; Reichmann, H. J., Marquardt, H.; Shim, S.-H. (2009): Elasticity of MgSiO3 Glass to Pressures of the Transition Zone. EGU General Assembly
Marquardt, H.; Speziale, S.; Reichmann, H. J.; Frost, D. J.; Schilling, F. R. (2008): Elastic Shear Anisotropy of Ferropericlase in Earth’s Lower Mantle: Implications for the D’’ Layer, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract MR43B-05
Marquardt, H.; Speziale, S.; Reichmann, H. J.; Frost, D. J.; Schilling, F. R. (2008): Elastic Anisotropy of Ferropericlase in Earth’s Lower Mantle. DMG Annual Meeting
Marquardt, H.; Speziale, S.; Reichmann, H. J.; Frost, D. J.; Schilling, F. R. (2008): Single-Crystal Brillouin Scattering of (Mg0.9Fe0.1)O to Lower Mantle Pressures, EMPG XII
Marquardt, H.; Speziale, S.; Reichmann, H.-J.; Schilling, F. R. (2007): Brillouin Spectroscopy at GeoForschungsZentrum Potsdam: Applications in Geoscience and Materials Science, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract MR43C-1521
Marquardt, H.; Speziale, S.; Schilling, F. R. (2007): Interrelation Between Elastic Properties Determined by Brillouin Spectroscopy and Thermal Transport Properties of Garnets, Frontiers in Mineral Sciences, 26-28 June, Cambridge (UK), 190-191
Marquardt, H.; Speziale, S.; Schilling, F. R. (2007): Interrelation Between Elastic Properties Determined by Brillouin Spectroscopy and Thermal Transport Properties of Garnets, Eos Trans. AGU, 88(23), Jt. Assem. Suppl., Abstract MR44A-04
Speziale, S.; Reichmann, H.-J.; Marquardt, H.; Schilling, F. R. (2007): A new Brillouin Spectroscopy Laboratory for the Study of Minerals at High Pressure and Temperature, EGU General Assembly, 15-20 April, Vienna (Austria)
Marquardt, H.; Schilling, F. R. (2006): A Systematic Study on the Thermal Transport Properties of Natural and Synthetic Garnets, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract MR21A-0012
Marquardt, H.; Schilling, F. R. (2006): Thermal Transport Properties of Synthetic and Natural Garnets from 300-1000K, Eur. J. Mineral. 18, Beih. 1, 89
Marquardt, H.; Schilling, F. R.; Gratz, K. (2005): Thermal Diffusivity of Garnets as a Function of Temperature, Eur. J. Mineral. 17, Beih. 1, 87