Concept

Crystallization

Related publications (252)

Thermodynamic-Kinetic Precipitation Modeling. A Case Study: The Amorphous Calcium Carbonate (ACC) Precipitation Pathway Unravelled

Christian Ludwig, Paul Bowen, Andrea Testino, Agnese Carino, Mohammad Reza Andalibi, Frank Pilger

Nine accurate experimental data sets on amorphous calcium carbonate (ACC) formation in dilute solution were collected varying temperature and pH. The entire precipitation process is described using a complete thermodynamic-kinetic model. The thermodynamic ...

American Chemical Society2017

Direct protein crystallization on ultrathin membranes for diffraction measurements at X-ray free-electron lasers

Henning Paul-Julius Stahlberg, Christian David

A new era of protein crystallography started when X-ray free-electron lasers (XFELs) came into operation, as these provide an intense source of X-rays that facilitates data collection in the 'iffract-before-destroy' regime. In typical experiments, crystals ...

International Union of Crystallography (IUCr)2017

From 2D to 3D Characterization of Materials Subjected to Extreme Pressure and Temperature Conditions

Farhang Nabiei

Planetesimal were the first planetary objects to form in the solar system, which later grew to make the proto-planets. Most of these bodies were differentiated as a result of internal heating. Several differentiated bodies have, then, been accreted followi ...

EPFL2017

Investigating the contribution of secondary ice production to in-cloud ice crystal numbers

Athanasios Nenes

In-cloud measurements of ice crystal number concentration can be orders of magnitude higher than the precloud ice nucleating particle number concentration. This disparity may be explained with secondary ice production processes. Several such processes have ...

Blackwell Publishing Ltd2017

Nearly perfect GaN crystal via pit-assisted growth by HVPE

Dmitry Mikulik

We demonstrated 5 mm-thick bulk gallium nitride (GaN) with nearly perfect crystal quality. To achieve this, intentional etch pit formation by in situ dry HCl etching and ex situ wet etching in H3PO4 solution was employed on freestanding GaN templates follo ...

Royal Soc Chemistry2017

The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process

Mohammad Khaja Nazeeruddin, Kevin Sivula, Jun Ho Yum, Iwan Zimmermann, Paul Gratia

Understanding the crystallization process of organic-inorganic halide perovskites is of paramount importance for fabrication of reproducible and efficient perovskite solar cells. We report for the first time on the discovery and interplay of ubiquitous hex ...

Amer Chemical Soc2017

Development of a new family of phosphorous-free Pt-based bulk metallic glasses

Ludger Weber, Maïté Blank, Hamed Kazemi, Cyrill Werner Cattin

New BMGs exhibiting strong glass forming ability combined with high hardness have been developed based on the Pt-Si-B ternary system. The effects of partial substitution of platinum by transition metals of the group iron, cobalt, nickel, and copper, as wel ...

Elsevier2017

Two-dimensional crystallization of the mouse serotonin 5-HT3A receptor

Horst Vogel, Henning Paul-Julius Stahlberg, Ghérici Hassaïne

The mouse serotonin 5-HT3A receptor is a homo-pentameric ligand-gated ion channel (pLGIC) mediating fast excitatory neurotransmission in the central nervous system. The molecular mechanism of ion permeation of 5-HT3A receptors triggered by the neurotransmi ...

Pergamon-Elsevier Science Ltd2017

Enhancing Entropy and Enthalpy Fluctuations to Drive Crystallization in Atomistic Simulations

Pablo Miguel Piaggi, Michele Parrinello

Crystallization is a process of great practical relevance in which rare but crucial fluctuations lead to the formation of a solid phase starting from the liquid. As in all first order first transitions, there is an interplay between enthalpy and entropy. B ...

American Physical Society2017

Upscaling the evolution of snow microstructure

Quirien Eibhilín Krol

Snow microstructure and its evolution play an important role for various applications of snow physics in cryospheric sciences. The main modes of microstructure evolution in snow are referred to as isothermal and temperature gradient metamorphism. The forme ...

EPFL2017

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