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Program Highlights for year 2014

Magnetic Properties of Periodically Organized Cobalt Frameworks

Discovery: Magnetic properties of cobalt films can be optimized through nanoscale structuring and thermal annealing.

An Implicit Solvent Ionic Strength (ISIS) Method to Model Polyelectrolyte Systems with Dissipative Particle Dynamics

Researchers from North Carolina State University have developed a novel and versatile

Heterogeneously integrated ferroelectric optical modulator on silicon with high Pockels’ coefficient

The collaboration among Hong Tang, Charles Ahn, and Fred Walker’s groups recently realized a new type of electro-optic modulator based on epitaxial ferroelectric BaTiO3 on silicon. A very high Pockels’ coefficient, up to 213 pm/V, was demonstrated, a record value that is more than six times larger than found in commercial optical modulators based on lithium niobate.

Observation of a Dissipation-Induced Classical to Quantum Transition

In this work, we study a novel dynamical phase transition of light, where photon-photon interactions and dissipation into the environment are key aspects of the physics. Together they give rise to a transition from a region of classical behavior into a regime where quantum effects dominate. The transition was observed in a Jaynes-Cummings dimer built

Landau Quantization and Quasiparticle Interference in the 3D Dirac Semimetal Cd3As2

Condensed matter systems provide a rich setting to realize Dirac and Majorana fermionic excitations and the possibility to manipulate them in materials for potential applications. Recently, it has been proposed that Weyl fermions, which are chiral, massless particles, can emerge in certain bulk

Family Science Evenings

These evenings offer an opportunity for K-12 students and their parents to enter the realm of science and engineering together, such as the father and son seen here