In situ imaging of amorphous intermediates during brucite carbonation in supercritical CO2

X Zhang, AS Lea, AM Chaka, JS Loring… - Nature Materials, 2022 - nature.com
Progress in understanding crystallization pathways depends on the ability to unravel
relationships between intermediates and final crystalline products at the nanoscale, which is …

Nanoscale Chemical and Structural Analysis during In Situ Scanning/Transmission Electron Microscopy in Liquids

R Serra-Maia, P Kumar, AC Meng, AC Foucher… - ACS …, 2021 - ACS Publications
Liquid-cell scanning/transmission electron microscopy (S/TEM) has impacted our
understanding of multiple areas of science, most notably nanostructure nucleation and …

Structure and Stability of the Iodide Elpasolite, Cs2AgBiI6

KT Kluherz, ST Mergelsberg, JJ De Yoreo… - Chemistry of …, 2023 - ACS Publications
Iodide elpasolites (or double perovskites, A2B′ B ″I6, B′= M+, B ″= M3+) are predicted
to be promising alternatives to lead-based perovskite semiconductors for photovoltaic and …

Impacts of initial Ca/P on amorphous calcium phosphate

AJ Hoeher, ST Mergelsberg, OJ Borkiewicz… - Crystal Growth & …, 2021 - ACS Publications
Amorphous calcium phosphate (ACP) is a metastable phase in the crystallization pathway of
calcium phosphates. Understanding its chemical and structural properties could provide …

Defect structure in quantum-cutting -doped perovskites probed by x-ray absorption and atomic pair distribution function analysis

KT Kluherz, ST Mergelsberg, DE Sommer, JYD Roh… - Physical Review …, 2022 - APS
Ytterbium doping in all-inorganic lead-halide perovskites [CsPb (Cl 1− x Br x) 3] generates
interesting properties including quantum cutting and narrow line emission, making these …

Low temperature and limited water activity reveal a pathway to magnesite via amorphous magnesium carbonate

ST Mergelsberg, SN Kerisit, ES Ilton… - Chemical …, 2020 - pubs.rsc.org
Forsterite carbonated in thin H2O films to magnesite via amorphous magnesium carbonate
during reaction with H2O-bearing liquid CO2 at 25° C. This novel reaction pathway contrasts …

Competitive TcO4, IO3, and CrO42– Incorporation into Ettringite

EC Gillispie, ST Mergelsberg, T Varga… - … science & technology, 2020 - ACS Publications
Ettringite is a naturally occurring mineral found in cementitious matrices that is known for its
ability to incorporate environmentally mobile oxyanion contaminants. To better assess this …

Resolving single-layer nanosheets as short-lived intermediates in the solution synthesis of FeS

ML Beauvais, PJ Chupas, D O'Nolan… - ACS Materials …, 2021 - ACS Publications
Short-lived reaction intermediates play a critical role in mediating material synthesis. Such
short-lived species often elude characterization because of the mismatch between the time …

Structural water in amorphous carbonate minerals: ab initio molecular dynamics simulations of X-ray pair distribution experiments

MP Prange, ST Mergelsberg, SN Kerisit - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
Water is known to play a controlling role in directing mineralization pathways and stabilizing
metastable amorphous intermediates in hydrous carbonate mineral MCO3· nH2O systems …

Cluster defects in gibbsite nanoplates grown at acidic to neutral pH

ST Mergelsberg, M Dembowski, ME Bowden… - Nanoscale, 2021 - pubs.rsc.org
Gibbsite [α-Al (OH) 3] is the solubility limiting phase for aluminum across a wide pH range,
and it is a common mineral phase with many industrial applications. The growth mechanism …