Phys. Rev. Focus23, 9 (2009) – Published March 25, 2009
Water containing specialized nanoparticles can transport heat at two different rates, depending on the initial configuration of the particles. An improved version of this system could help regulate heat flow in devices.
H. A. Fertig,
Physics2, 15 (2009) – Published February 23, 2009
Measurements of the heat transport at the edges of two-dimensional electron systems appear to provide explanations about the quantum Hall state that have not been forthcoming via charge transport experiments.
Physics2, 8 (2009) – Published January 26, 2009
Scientists have found that the spontaneous ferroelectric polarization can be fully and reversibly flipped by varying partial oxygen pressure above the surface of an epitaxially compressed film. The inward polarized state is stabilized by ordered oxygen vacancies in the topmost atomic layer.