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From Crust To Core And Back
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Research Highlights
2023
New constraints on Ti diffusion in quartz and the priming of silicic volcanic eruptions
Mid-mantle dynamics explained by the curved post-garnet transition
The mid-mantle viscosity jump explained by bridgmanite grain size variation
2022
Water cycling into the lower mantle by hydrous aluminous silica phases
New materials synthesized at terapascal pressures for the first time
Depressed 660-km discontinuity caused by akimotoite-bridgmanite transition
2021
Synthesis of paracrystalline diamond
Dry metastable olivine and slab deformation in a wet subducting slab
2019
Novel experiments at BGI explain the sharpness of the 660 km discontinuity
LLSVP can be explained by recycled oceanic crust
Deep magma ocean changes Earth's atmosphere
First Observation of Hydrogen-Hydrogen Interactions in Metal Hydrides at Multi-Megabar Pressures
Magnetism in subduction zones
2018
Spin-induced multiferroicity in the binary perovskite manganite Mn
2
O
3
Pressure tuning of charge ordering in iron oxide
Breaking the secrets of icy protons
Oxidised garnets from the Earth's transition zone
2017
Nuclear Magnetic Resonance breaks through the barriers of high pressure
Stability of iron-bearing carbonates in the deep Earth's interior
Compressional pathways of α-cristobalite, structure of cristobalite X-I, and towards the understanding of seifertite formation
Continental crust formation on early Earth controlled by intrusive magmatism
Evidence for a Fe
3+
-rich pyrolitic lower mantle from (Al,Fe)-bearing bridgmanite elasticity data
2016
Highly siderophile elements were stripped from Earth’s mantle by iron sulfide segregation
Redox-induced lower mantle density contrast and effect on mantle structure and primitive oxygen
Stability of Fe, Al-bearing bridgmanite in the lower mantle and synthesis of pure Fe-bridgmanite
Terapascal static pressure generation with ultrahigh yield strength nanodiamond.
Charge ordering transition in iron oxide Fe
4
O
5
involving competing dimer and trimer formation.
Fate of MgSiO
3
melts at core–mantle boundary conditions.
2015
The most incompressible metal osmium at static pressures above 750 gigapascals.
Accretion and differentiation of the terrestrial planets with implications for the compositions of early-formed Solar System bodies and accretion of water.
High Poisson’s ratio of Earth’s inner core explained by carbon alloying.
Slab stagnation in the shallow lower mantle linked to an increase in mantle viscosity.
Lower-mantle water reservoir implied by the extreme stability of a hydrous aluminosilicate.
Shock compression of stishovite and melting of silica at planetary interior conditions.
2014
Did life exist on Mars? New evidence from NanoSIMS analysis of organic carbon from the Tissint Martian meteorite.
Mixing at mid-ocean ridges controlled by small-scale convection and plate motion.
Highly siderophile elements in Earth’s mantle as a clock for the Moon-forming impact.
2013
Discovery of a Superhard Iron Tetraboride Superconductor.
Strong inheritance of texture between perovskite and post-perovskite in the D" layer.
Small effect of water on upper mantle rheology based on silicon self-diffusion coefficients.
Stagnation of subducting slabs in the transition zone due to slow diffusion in majoritic garnet.
Water and hydrogen are immiscible in Earth's mantle.
Effect of iron oxidation state on the electrical conductivity of the Earth’s lower mantle.
The oxidation state of the mantle and the extraction of carbon from Earth’s interior.
Perovskite-like Mn
2
O
3
: a path to new manganites.
Origin of the terrestrial noble-gas signature.
Generation of 6 Mbars using DAC.
Thermal conductivity of liquid Fe alloys - thermal state of Earth's core.
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Bayerisches Geoinstitut, University of Bayreuth, 95440 Bayreuth, Germany
Tel: +49-(0) 921 55 3700 / 3766, Fax: +49-(0) 921 55 3769, E-mail: bayerisches.geoinstitut(at)uni-bayreuth.de