A pressure-temperature phase diagram for zircon at extreme conditions

NE Timms, TM Erickson, MA Pearce, AJ Cavosie… - Earth-Science …, 2017 - Elsevier
Hypervelocity impact processes are uniquely capable of generating shock metamorphism,
which causes mineralogical transformations and deformation that register pressure (P) and …

Nanoscale records of ancient shock deformation: Reidite (ZrSiO4) in sandstone at the Ordovician Rock Elm impact crater

AJ Cavosie, TM Erickson, NE Timms - Geology, 2015 - pubs.geoscienceworld.org
The terrestrial record of meteorite impacts is difficult to decipher because unequivocal
evidence of impact is increasingly destroyed with time by erosion, burial, and tectonics …

New insights into the zircon-reidite phase transition

C Stangarone, RJ Angel, M Prencipe… - American …, 2019 - degruyter.com
The structure, the elastic properties, and the Raman frequencies of the zircon and reidite
polymorphs of ZrSiO4 were calculated as a function of hydrostatic pressure up to 30 GPa …

Phase transition of hafnon, HfSiO4, at high pressure

J Niu, Z Lu, S Nan, X Wu, S Qin… - Journal of the American …, 2023 - Wiley Online Library
The high‐pressure behavior of hafnon has been systematically investigated by combining in
situ synchrotron X‐ray diffraction, Raman, high‐resolution transmission electron microscopy …

Role of elastic anisotropy in the development of deformation microstructures in zircon

NE Timms, D Healy, TM Erickson… - … records down to …, 2018 - Wiley Online Library
The deformation of zircon by various mechanisms, including brittle fracture, dislocation
creep, twinning, and transformation to a high‐pressure polymorph (reidite), is preceded by …

Preparation of zircon-matrix material for dealing with high-level radioactive waste with microwave

H Tu, T Duan, Y Ding, X Lu, Y Tang, Y Li - Materials Letters, 2014 - Elsevier
In this paper, the microwave (2.45±0.025 GHz) was introduced to prepare zircon-matrix
material for dealing with high-level radioactive waste at 1500° C for the first time, and the …

Phase transition and melting in zircon by nanosecond shock loading

S Takagi, K Ichiyanagi, A Kyono, N Kawai… - Physics and Chemistry …, 2022 - Springer
In this study, we use laser-driven shock compression coupled with in situ X-ray diffraction to
interrogate the phase transition dynamics of shock-compressed zircon (ZrSiO4) for the first …

Electronic structure, optical properties and the mechanism of the B3–B8 phase transition of BeSe: Insights from hybrid functionals, lattice dynamics and NPH molecular …

R Dutta, S Alptekin, N Mandal - Journal of Physics: Condensed …, 2013 - iopscience.iop.org
We have investigated the electronic structure and the mechanism of the pressure induced
phase transition of beryllium selenide (BeSe) by employing a first-principles pseudopotential …

In Situ Raman Spectroscopy and DFT Studies of the Phase Transition from Zircon to Reidite at High P–T Conditions

Y Gao, Z Zheng, X Zhao, Y Liu, J Chen, Y Li, M Xiong… - Minerals, 2022 - mdpi.com
Zircon (ZrSiO4) provides a good pressure-holding environment for ultra-high-pressure
metamorphic minerals during crust exhumation due to its high incompressibility and …

Deformation of -MgO aggregates: Deviatoric stress as a control on deformation mechanisms

X Zhou, L Chen, M Yuan, F Lin, T Ye, F Zhao, M Kunz… - Physical Review B, 2022 - APS
Deformation behavior of multiphase aggregates has great significance for materials design
and understanding the dynamics of the Earth. Here we studied the deformation of zircon …