Member Since 2021
Giacomo Criniti
Carnegie Postdoctoral Fellow, Carnegie Institution for Science
AGU Research
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Phase Transitions and Elasticity of Polycrystals Studied Using Pressure Oscillation Experiments in the dDAC
AGU 2024
mineral and rock physics | 11 december 2024
Estelle Ledoux, Johannes Buchen, Biao Wang, Niccol...
Understanding phase transitions in mantle minerals is key to interpret geophysical observables, constrain geodynamic simulations, and improve models o...
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H in Al-bearing stishovite and post-stishovite: substitution mechanism and quantification
AGU 2024
mineral and rock physics | 10 december 2024
Giacomo Criniti, George D. Cody, Jianhua Wang, Tim...
Nominally anhydrous minerals (NAMs) can store ppm to wt.% levels of H2O in their crystal structures as hydroxyl groups (OH) through lattice defects. H...
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Temperature Dependence of H2O Solubility in Al‐Free Stishovite
GEOPHYSICAL RESEARCH LETTERS
01 february 2024
Narangoo Purevjav, Hongzhan Fei, Takayuki Ishii, G...
The role of stishovite in transporting water in subducting slabs has been a subject of debate for several decades. Here we investigated stishovite'...
Thermal Equation of State and Structural Evolution of Al‐Bearing Bridgmanite
JOURNAL OF GEOPHYSICAL RESEARCH: SOLID EARTH
19 january 2024
Giacomo Criniti, Tiziana Boffa Ballaran, Alexander...
(Mg, Fe, Al)(Si, Al)O3 bridgmanite is the most abundant mineral of Earth′s lower mantle. Al is incorporated in the crystal structure of bridg...
Post-Stishovite Phase Transition in the Earth's Lower Mantle: Insights from Experiments with Time-Resolved X-Ray Diffraction in Dynamic Diamond Anvil Cells
PROBING EARTH AND PLANETARY MATERIALS UNDER EXTREME CONDITIONS II POSTER
mineral and rock physics | 13 december 2023
Biao Wang, Johannes Buchen, Alba San José Méndez, ...
Subducting slabs transport Mid-Ocean Ridge Basalts (MORBs) into the Earths lower mantle, where former MORBs contain approximately 20-25 vol.% SiO2 sti...
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Stress and Strain Partitioning in Polycrystalline Materials at High Pressures and Seismic Frequencies
THERMODYNAMIC PROPERTIES OF PLANETARY MATERIALS II ORAL
mineral and rock physics | 11 december 2023
Johannes Buchen, Biao Wang, Niccolò Satta, Viktori...
Our image of the structure and dynamics of Earth's deep interior depends significantly on the interpretation of seismic observations. Seismic tomograp...
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Water solubility of aluminous silicas at lower mantle conditions and their implication for water cycle in the deep mantle
THERMODYNAMIC PROPERTIES OF PLANETARY MATERIALS II ORAL
mineral and rock physics | 11 december 2023
Takayuki Ishii, Giacomo Criniti, Eiji Ohtani, Hong...
Determinations of the water solubility of nominally anhydrous minerals and thermal stability of hydrous minerals is crucial for understanding the stru...
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Strong Effect of Stress on the Seismic Signature of the Post‐Stishovite Phase Transition in the Earth's Lower Mantle
GEOPHYSICAL RESEARCH LETTERS
19 may 2023
Biao Wang, Johannes Buchen, Alba San José Méndez, ...
The stishovite to post‐stishovite phase transition may modify the scattering of seismic waves by stishovite‐bearing rocks in the Earth'...