High Pressure Synthesis in Materials Science

Dear Colleagues,

High pressure (HP) is an integral part of various domains of science. The combination of temperature with pressure results in applications in several already existing fields, such as steam sterilization by autoclave in medicine, single crystal of a-quartz SiO₂ by hydrothermal crystal growth in inorganic chemistry, polymerization by reactor in organic chemistry, Pascalization of biologic materials by high hydrostatic vessel in organic chemistry or pharmacy. In inorganic materials chemistry, pressure allows, in addition to temperature, to sinter/consolidate/densify for obtaining solid material in the form generally as ceramic (sintering phenomena) or as monoliths (consolidation phenomena) with dense (by densification) or porous (by interparticle bridging) form. Innovative HP processes were designed for the high pressure syntheses related to: high pressure structural phase (e.g., diamonds instead of graphite) or low temperature structural phase (e.g., for SiO₂: quartz instead of the other polymorphs, or amorphous instead of crystallized), consolidation of porous or dense biocomposites, sintering at temperature higher than their thermal decomposition, preservation of hydrates from the raw precursor, initiating a new finer microstructure, higher densification, improvement or driving the chemical reaction, assembling of materials with different thermal stability (e.g., multimaterials). Recently, innovative high pressure processes have emerged by the combination of different technologies opening new possibility for obtaining these advanced functional inorganic materials such as: high pressure & spark plasma sintering, cold isostatic pressure & minus temperature, hydrothermal synthesis & sintering.

The upcoming Special Issue, entitled “High Pressure Synthesis in Materials Science” aims to cover an overview of the innovation in high pressure processes/technologies for the synthesis of advanced functional inorganic materials. To this end, it is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are welcome.

Dr. Alain Largeteau
Guest Editor

Manuscript Submission Information

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