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Highlights

by Patrick Langlois - published on , updated on


 

 


 

Synthesis of Novel Phases in the B-C-N-O-X System

Compared to the α-B₁₂ one, the γ-B₂₈ structure exhibits two oppositely charged sub-lattices

 

Oganov AR, et al. Ionic high-pressure form of elemental boron. Nature 457 (2009) 863-7

Cherednichenko KA, et al. Discovery of new boron-rich chalcogenides: orthorhombic B₆X (X=S, Se). Sci. Rep. 10 (2020) 9277

Solozhenko VL, Bushlya V, Zhou J. Mechanical properties of ultra-hard nanocrystalline cubic boron nitride. J. Appl. Phys. 126 (2019) 075107 (article featuring on the front cover of the journal)

Solozhenko VL, et al. Ultimate Metastable Solubility of Boron in Diamond: Synthesis of Superhard Diamondlike BC₅. Phys. Rev. Lett. 102 (2009) 015506

Solozhenko VL, et al. Synthesis of superhard cubic BC₂N. Appl. Phys. Lett. 78 (2001) 1385-7

 

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Full Densification of Bottom-Up-Processed Nanomaterials

Ultimate-densification step by Soft Extrusion (low differential and high downstream pressure)

 

Champion Y, et al. Fabrication of bulk nanostructured materials from metallic nanopowders: structure and mechanical behaviour. Scripta Mater. 44 (2001) 1609-13

Champion Y, et al. Near-Perfect Elastoplasticity in Pure Nanocrystalline Copper. Science 300 (2003) 310-1

 

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Bulk Texturing of High-Temperature-Superconducting Ceramics

Effect of hydrostatically confined uniaxial compression on grain orientation

 

Nhien S, Langlois P. Quantitative analysis of grain alignment in ceramic Bi-2223 superconductor powder by pressure-assisted compression. Physica C 235-240 (1994) 3403-4

Grynszpan RI, et al. Texture effect on vortex‐state TF‐μ⁺SR in Bi‐2223 high‐Tc materials. Hyperfine Interact. 105 (1997) 95-100

 

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