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Materials Science

Stable, faster computer memory storage
Silicon wafer reflecting different colors

Stable, faster computer memory storage

Researchers in the School of Arts & Sciences offer a new explanation for how certain materials can be grown on silicon and offer stable information storage at the nanometer scale for smaller, faster, more multifunctional processors.
New discoveries in kagome metals
Liang Wu working on kagome materials in a lab.

New discoveries in kagome metals

A collaborative study reveals insights into the properties of a recently discovered family of superconductors, with implications for future applications in quantum computing and other technologies.

Penn Today Staff

Algorithm for 2D-to-3D engineering integrates art, nature, and science
Rendering of layers of a helmet illustrating the shift from 2D to 3D materials.

The algorithm does not allow the cuts in each two-dimensional layer to overlap with one another. The resulting helmet is both lightweight and durable. (Image: Penn Engineering Today)

Algorithm for 2D-to-3D engineering integrates art, nature, and science

Penn Engineering’s Shu Yang and researchers have developed a universal algorithm that allows 2D materials to remain lightweight and durable when converted to 3D structures.

From Penn Engineering Today

The new math of wrinkling
Quanta Magazine

The new math of wrinkling

Eleni Katifori of the School of Arts & Sciences is credited for her work simulating wrinkle patterns, which were crucial to an overall theory of geometric wrinkle prediction.

Engineering a solution for microplastic pollution
Shoshana Weintraub, Sarah Beth Gleeson, and Julia Yan.

Engineering a solution for microplastic pollution

May graduates Sarah Beth Gleeson, Shoshana Weintraub, and Julia Yan will use their President’s Sustainability Prize to create a device for trapping microfibers in laundry machines to reduce ocean microplastic pollution.
Penn Electric Racing unveils new REV7 race car despite pandemic setbacks
Members of the Penn Electric Racing team showing the new racecar, REV7, on College Green to a crowd of students.

Penn Electric Racing introduced their new race car, REV7, at the official unveiling on March 18.

Penn Electric Racing unveils new REV7 race car despite pandemic setbacks

During the pandemic, Penn Electric Racing virtually designed the REV7, an almost entirely new design from REV6. The team is slated to bring the REV7 to this year’s FSAE Michigan competition in May.

From Penn Engineering Today

Decoding a material’s ‘memory’
particles shown as gray dots with arrows and colored lines indicating their direction of movement

A suspension of particles of different sizes during shearing experiments conducted in the lab of Paulo Arratia, with arrows indicating particle “flow” and trajectories. In a new study published in Nature Physics, researchers detail the relationship between a disordered material’s individual particle arrangement and how it reacts to external stressors. The study also found that these materials have “memory” that can be used to predict how and when they will flow. (Image: Arratia lab)

Decoding a material’s ‘memory’

A new study details the relationship between particle structure and flow in disordered materials, insights that can be used to understand systems ranging from mudslides to biofilms.

Erica K. Brockmeier

How to design a sail that won’t tear or melt on an interstellar voyage
Artist rendering of the Starshot Lightsail spacecraft during acceleration by a ground-based laser array.

Artist rendering of the Starshot Lightsail spacecraft during acceleration by a ground-based laser array. Previous conceptions of lightsails have imagined them being passively pushed by light from the sun, but Starshot’s laser-based approach requires rethinking the sail’s shape and composition so it won’t melt or tear during acceleration. (Image: Masumi Shibata, courtesy of Breakthrough Initiatives)

How to design a sail that won’t tear or melt on an interstellar voyage

The Breakthrough Starshot Initiative’s laser-based approach requires rethinking a sail’s shape and composition so it won’t melt or tear during acceleration and pushed by wind, not light.

Evan Lerner

A new makerspace for materials passion projects
(Left to right) Michelle Paolicelli, David Nemeth, Michael Adjedj, Bryce Gunderman and Sebastian Miralles (left to right) break a composite material on the MSE Departmental Laboratory’s mechanical tester.

(Left to right) Michelle Paolicelli, David Nemeth, Michael Adjedj, Bryce Gunderman, and Sebastian Miralles break a composite material on the MSE Departmental Laboratory’s mechanical tester. (Image: Penn Engineering Today)

A new makerspace for materials passion projects

MatSci Makerspace is a space for students to work with the synthesis, processing, structure, properties and application of materials, with open hours for materials-centric passion projects.

From Penn Engineering Today

New atomically-thin material could improve efficiency of light-based tech
Rendering of layers of anatomically-thin material.

So-called “two-dimensional” materials have unique electrical and photonic properties, but their ultrathin form factors present practical challenges when incorporated into devices. Penn Engineering researchers have now demonstrated a method for making large-area “superlattices”—layered structures containing 2D lattices of sulfur and tungsten—that can achieve light-matter coupling. (Image: Penn Engineering Today)

New atomically-thin material could improve efficiency of light-based tech

A new photodetector design from Penn Engineering is not only extremely thin, making it lightweight and cost effective, it can also emit light, not just detect it.

From Penn Engineering Today