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Program Highlights for year 2016

Down the rabbit hole: Sinking electrons in a Weyl sea

Research
Weyl semimetals are newly discovered topological electronic materials in which surface electrons (Fermi arcs) are topologically connected with those of the bulk. Princeton researchers have found experimental evidence that electrons can transverse the bulk through the special momentum states, called Weyl points, moving between opposing surfaces.
(2016)

Single photon bound states in microwave photonic crystals

Research
Photonic crystals provide an extremely powerful toolset for manipulation of optical dispersion and density of states. Princeton researchers' recent work opens exciting prospects for engineering long-range spin models in the circuit QED architecture, and new opportunities for dissipative quantum state engineering.
(2016)

Glass transition of irreversibly adsorbed nanolayers

Research
Princeton University researchers are investigating how the Tg of an adsorbed layer is influenced by the free surface and employing a fluorescence technique to directly measure the Tg of the adsorbed layer buried in a film.
(2016)

Electron spin coherence of shallow donors in germanium

Research
An international collaboration led by Princeton University IRG3 researchers have measured electron spin coherence in germanium for the first time.
(2016)

MAPLE of Polymer Films for Morphology Control

Research
Princeton researchers found that deposition temperature can significantly affect the stability of liquid phase PEO in MAPLE (matrix assisted pulsed laser evaporation)-deposited films, which results in different crystallization kinetics.
(2016)

Successful synthesis of novel MOF compositions

Successful synthesis of novel MOF compositions employing “in-house made” organic linkers.  These MOF compositions  displayed superior catalytic ability in the conversion of fatty acid methyl esters  (FAMEs) into liquid fuel hydrocarbons. Synthesis of microporous carbon membranes derived from metal organic frameworks for natural gas purification.
(2016)

Surface Patterning of Nanoparticles with Polymer Patches

Research
We demonstrate nanoparticle surface patterning, which utilizes thermodynamically driven segregation of polymer ligands from a uniform polymer brush into surface pinned micelles following a change in solvent quality.
(2016)

RT-MRSEC Graduate Fellow Launches Award-Winning Startup Company

Industry
A team of Duke graduate students has been named one of five companies receiving a total of $250,000 through the NC IDEA Foundation - an organization committed to supporting entrepreneurial business innovation and economic advancement in North Carolina.
(2016)

Self-Propelled Bouncing Droplets Remove Contaminants

Research
Researchers at Duke University and the University of British Columbia are exploring whether surfaces can shed dirt without the use of fragile superhydrophobic coatings.
(2016)

Synergistic Chemical Action Leads to Enhanced Adhesion

Research

Siderophores are compounds in microorganisms that bind and store iron. Parallels between the chemistry of compounds secreted by mussels to aid adhesion to rocks, and the chemistry of some siderophores inspired UCSB researchers Butler, Israelachvili, and Waite and their coworkers to study their adhesive properties.

(2016)

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