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Program Highlights

Forward-looking Metalens

Inspired by the human eye, a team led by Clarke at the Harvard MRSEC has reported in Science Advances an adaptive metalens that is a flat, electronically-controlled artificial eye. This new lens which combines breakthroughs in artificial muscle and lens technologies simultaneously controls focus, astigmatism, and image shift.

(2018)

Crushing Soda Cans: Predicting the Stability Landscape of Shell Buckling

Crushing a soda can from top to bottom is easier if it is dented initially on the side. Predicting the force needed to crush a dented can, however, which is of critical importance for structural reliance of materials engineering is quite challenging.

(2018)

NanoThermoMechanical Thermal Computing

Research

Limited performance and reliability of electronic devices at extreme temperatures, intensive radiation found in space exploration missions and earth-based applications requires the development of alternative computing technologies. Nebraska MRSEC researchers have designed and prototyped the world’s first high-temperature thermal diode.

(2018)

Nebraska MRSEC Puts a “Spark” in Summer Learning

Education

In Summer 2017, Nebraska MRSEC partnered with the Foundation for Lincoln Public Schools to offer a new, STEAM-based summer learning program. Spark Summer Learning provides opportunities for students in grades K-5 to explore science, technology, engineering, art, and math in an immersive setting, engaging students in problem-based learning through hands-on “maker” projects.

(2018)

Optical Control of Polarization in Hybrid 2D-Ferroelectric Structures

Research

Switchable electric polarization of ferroelectric materials can serve as a state variable in advanced electronic systems, such as non-volatile memories and logic. Control of ferroelectric polarization by external stimuli is the key component for these systems.

(2018)

Direct Observation of Ferrimagnetism in a Multiferroic Hexagonal Ferrite

Research

Multiferroics is a class of materials that exhibits a coexistence of electric and magnetic polarizations.  Coupling of these polarizations is potentially useful for energy-efficient information storage and processing. Hexagonal rare-earth ferrites (h-RFeO3, where R is rare-earth element and Fe is iron) are new family of multiferroic materials.

(2018)

Nebraska MRSEC Facility: Synthesis and Characterization of Graphene-Like Boron-Carbon-Nitrogen Monolayers

Facilities

The emergence of two-dimensional (2D) materials, which are only one atom or one structural unit cell thick, has stimulated an enormous range of research effort. The well-known example is graphene – a zero band gap semiconductor, which exhibits outstanding charge carrier mobility. However, the absence of a band gap is a major hindrance in implementing graphene in 2D electronics.

(2018)

Threading Atom-Wide Wires Into 2D Materials

Cornell University researchers and collaborators have discovered – somewhat accidentally – a method for inserting a one-dimensional (1D) semiconductor channel into the “fabric” of a material that is only a few atoms thick.

(2018)

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