Phys. Rev. Focus24, 9 (2009) – Published September 4, 2009
According to a new theory, the extreme hardness of new layered materials comes from the strength of chemical bonds that are oriented perpendicular to the deforming force, rather than parallel, as might be expected.
Phys. Rev. Focus23, 20 (2009) – Published June 12, 2009
A fraction of the soot particles produced in a flame can have a more rod-like, rather than bush-like structure, contradicting the conventional theory, which is relevant for industrial products and the atmosphere.
Phys. Rev. Focus21, 8 (2008) – Published March 5, 2008
A century-old empirical law relates the number of times a material will survive a repeated stress to the size of the stress. A new model connects this law with steadily accumulating damage at the microscale.
Phys. Rev. Focus21, 4 (2008) – Published January 28, 2008
An electric field could prevent a stressed material from developing cracks, according to a new theory. The field could nudge atoms moving around on the surface and thereby flatten out undulations that can grow into cracks.