Large ocean worlds with high-pressure ices

B Journaux, K Kalousová, C Sotin, G Tobie… - Space Science …, 2020 - Springer
Pressures in the hydrospheres of large ocean worlds extend to ranges exceeding those in
Earth deepest oceans. In this regime, dense water ices and other high-pressure phases …

Experimental and simulation efforts in the astrobiological exploration of exooceans

RS Taubner, K Olsson-Francis, SD Vance… - Space Science …, 2020 - Springer
The icy satellites of Jupiter and Saturn are perhaps the most promising places in the Solar
System regarding habitability. However, the potential habitable environments are hidden …

Geophysical investigations of habitability in ice‐covered ocean worlds

SD Vance, MP Panning, S Stähler… - Journal of …, 2018 - Wiley Online Library
Geophysical measurements can reveal the structures and thermal states of icy ocean
worlds. The interior density, temperature, sound speed, and electrical conductivity thus …

Holistic approach for studying planetary hydrospheres: Gibbs representation of ices thermodynamics, elasticity, and the water phase diagram to 2,300 MPa

B Journaux, JM Brown, A Pakhomova… - Journal of …, 2020 - Wiley Online Library
Gibbs energy representations for ices II, III, V, and VI are reported. These were constructed
using new measurements of volumes at high pressure over a range of low temperatures …

On the identification of hyperhydrated sodium chloride hydrates, stable at icy moon conditions

B Journaux, A Pakhomova… - Proceedings of the …, 2023 - National Acad Sciences
Sodium chloride is expected to be found on many of the surfaces of icy moons like Europa
and Ganymede. However, spectral identification remains elusive as the known NaCl …

Stability of high-temperature salty ice suggests electrolyte permeability in water-rich exoplanet icy mantles

JA Hernandez, R Caracas, S Labrosse - Nature Communications, 2022 - nature.com
Electrolytes play an important role in the internal structure and dynamics of water-rich
satellites and potentially water-rich exoplanets. However, in planets, the presence of a large …

Magnetic induction responses of Jupiter's ocean moons including effects from adiabatic convection

SD Vance, MJ Styczinski, BG Bills… - Journal of …, 2021 - Wiley Online Library
Prior analyses of oceanic magnetic induction within Jupiter's large icy moons have assumed
uniform electrical conductivity. However, the phase and amplitude responses of the induced …

Novel color center platforms enabling fundamental scientific discovery

VA Norman, S Majety, Z Wang, WH Casey, N Curro… - InfoMat, 2021 - Wiley Online Library
Color centers are versatile systems that generate quantum light, sense magnetic fields and
produce spin‐photon entanglement. We review how these properties have pushed the limits …

Observation of nuclear quantum effects and hydrogen bond symmetrisation in high pressure ice

T Meier, S Petitgirard, S Khandarkhaeva… - Nature …, 2018 - nature.com
Hydrogen bond symmetrisations in H-bonded systems triggered by pressure-induced
nuclear quantum effects (NQEs) is a long-known concept but experimental evidence in high …

Bulk modulus of across the ice VII–ice X transition measured by time-resolved x-ray diffraction in dynamic diamond anvil cell experiments

ASJ Méndez, F Trybel, RJ Husband… - Physical Review B, 2021 - APS
We have studied the H 2 O ice VII–ice X phase transition at room temperature by performing
three quasicontinuous synchrotron time-resolved x-ray-diffraction experiments in a dynamic …