Institutions of the University of Bayreuth
Junior Professor Geomaterialien - Juniorprof. Dr. Johannes Buchen

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Number of items at this level: 10.

2022

Immoor, Julia ; Miyagi, Lowell ; Liermann, H.-P. ; Speziale, S. ; Schulze, K. ; Buchen, Johannes ; Kurnosov, Alexander ; Marquardt, Hauke:
Weak cubic CaSiO₃ perovskite in the Earth's mantle.
In: Nature. Vol. 603 (2022) . - pp. 276-279.
DOI: https://doi.org/10.1038/s41586-021-04378-2

2021

Volltext
Buchen, Johannes ; Sturhahn, Wolfgang ; Ishii, Takayuki ; Jackson, Jennifer M.:
Vibrational anisotropy of δ-(Al,Fe)OOH single crystals as probed by nuclear resonant inelastic X-ray scattering.
In: European Journal of Mineralogy. Vol. 33 (2021) Issue 4 . - pp. 485-502.
DOI: https://doi.org/10.5194/ejm-33-485-2021

2018

Volltext
Buchen, Johannes:
The Elastic Properties of Wadsleyite and Stishovite at High Pressures : Tracing Deep Earth Material Cycles.
Bayreuth , 2018 . - xii, 199 p.
( Doctoral thesis, 2018 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00004410

Marquardt, Hauke ; Buchen, Johannes ; Méndez, Alba S. J. ; Kurnosov, Alexander ; Wendt, Mario ; Rothkirch, A. ; Pennicard, D. ; Liermann, Hanns-Peter:
Elastic Softening of (Mg₀.₈Fe₀.₂)O Ferropericlase Across the Iron Spin Crossover Measured at Seismic Frequencies.
In: Geophysical Research Letters. Vol. 45 (2018) Issue 14 . - pp. 6862-6868.
DOI: https://doi.org/10.1029/2018GL077982

Buchen, Johannes ; Marquardt, Hauke ; Schulze, Kirsten ; Speziale, Sergio ; Boffa Ballaran, Tiziana ; Nishiyama, Norimasa ; Hanfland, Michael:
Equation of State of Polycrystalline Stishovite Across the Tetragonal-Orthorhombic Phase Transition.
In: Journal of Geophysical Research: Solid Earth. Vol. 123 (2018) Issue 9 . - pp. 7347-7360.
DOI: https://doi.org/10.1029/2018JB015835

Immoor, Julia ; Marquardt, Hauke ; Miyagi, Lowell ; Lin, Fanchi ; Speziale, Sergio ; Merkel, Sébastien ; Buchen, Johannes ; Kurnosov, Alexander ; Liermann, Hanns-Peter:
Evidence for {100}<011> slip in ferropericlase in Earth's lower mantle from high-pressure/high-temperature experiments.
In: Earth and Planetary Science Letters. Vol. 489 (2018) . - pp. 251-257.
DOI: https://doi.org/10.1016/j.epsl.2018.02.045

Buchen, Johannes ; Marquardt, Hauke ; Speziale, Sergio ; Kawazoe, Takaaki ; Boffa Ballaran, Tiziana ; Kurnosov, Alexander:
High-pressure single-crystal elasticity of wadsleyite and the seismic signature of water in the shallow transition zone.
In: Earth and Planetary Science Letters. Vol. 498 (2018) . - pp. 77-87.
DOI: https://doi.org/10.1016/j.epsl.2018.06.027

2017

Buchen, Johannes ; Marquardt, Hauke ; Boffa Ballaran, Tiziana ; Kawazoe, Takaaki ; McCammon, Catherine:
The equation of state of wadsleyite solid solutions : Constraining the effects of anisotropy and crystal chemistry.
In: American Mineralogist. Vol. 102 (2017) Issue 12 . - pp. 2494-2504.
DOI: https://doi.org/10.2138/am-2017-6162

Schulze, Kirsten ; Buchen, Johannes ; Marquardt, Katharina ; Marquardt, Hauke:
Multi-sample loading technique for comparative physical property measurements in the diamond-anvil cell.
In: High Pressure Research. Vol. 37 (2017) Issue 2 . - pp. 159-169.
DOI: https://doi.org/10.1080/08957959.2017.1299719

2015

Volltext
Kawazoe, Takaaki ; Buchen, Johannes ; Marquardt, Hauke:
Synthesis of large wadsleyite single crystals by solid-state recrystallization.
In: American Mineralogist. Vol. 100 (2015) Issue 10 . - pp. 2336-2339.
DOI: https://doi.org/10.2138/am-2015-5400

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