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Materials science

Enlargement shows weak points in a thin polycrystalline graphene sheet

Graphene is strong, but is it tough?

02/09/16 Berkeley Lab — Berkeley Lab scientists led by Robert Ritchie, professor of materials science and mechanical engineering, have determined that superstrong polycrystalline graphene is not very resistant to fracture, which could limit its usefulness.
Microscopic images of conventional and bidirectional freeze-casting

The artificial materials that came in from the cold

12/15/15 Berkeley Lab — Researchers led by Robert Ritchie, professor of mechanical engineering and materials science and engineering, have developed a freeze-casting technique that enables them to design and create strong, tough and lightweight materials comparable to bones, teeth, shells and wood.
Schematic of a laser beam energizing a monolayer semiconductor

Coming to a monitor near you: a defect-free, molecule-thick film

11/30/15 — A team of research engineers at UC Berkeley and Berkeley Lab, led by EECS professor Ali Javey, has discovered a simple way to fix defects in atomically thin monolayer semiconductors using an organic superacid, opening the door to transparent LED displays, nanoscale transistors and more.
Bioengineering professor Kevin Healy

Microscopic models of the human heart

11/01/15 — Bioengineering professor Kevin Healy and his team have developed a “heart on a chip” and “heart on a dot,” potentially opening more accurate and efficient drug screening methods.
Robert Birgeneau

Birgeneau honored for public service

10/19/15 IGS — Chancellor emeritus Robert Birgeneau, professor of physics and materials science and engineering, has been named the 2015 winner of the Darius and Sarah Anderson Distinguished Service Award by the Institute of Governmental Studies for "advancing the spirit of good government and improving the quality of public affairs."
Peidong Yang in his lab

Peidong Yang receives MacArthur ‘genius award’

09/29/15 — Peidong Yang, a UC Berkeley chemist and materials scientist who is trying to capture carbon dioxide from the air and turn it into a sustainable transportation fuel, has been named a MacArthur Fellow.
Thermoelectric PowerCard from Alphabet Energy

Why not convert waste heat into power?

08/26/15 NPR — What if there were a way to take the waste heat that spews from car tailpipes or power plant chimneys and turn it into electricity? Matt Scullin (M.S.'07, Ph.D.'09 MSE) thinks there is, and he founded Alphabet Energy to turn that idea into a reality.
Collagen in its twisted, curly form

The skinny on skin

05/04/15 Inside Science — A study co-authored by materials science and engineering professor Robert Ritchie has shown, for the first time, that collagen explains the great durability of skin. The finding could help scientists develop better synthetic skin and improve the strength of man-made materials.

The graphene switch

05/01/15 — New research holds promise for controlling graphene's properties, potentially opening new applications for its use.
Ivy clinging to wall

Synthetic coatings: Super surfaces

03/26/15 Nature — Characteristics adapted from lizards, ivy and other natural materials could help to engineer everyday objects with remarkable properties. Professor Phillip Messersmith, a Berkeley materials scientist and bioengineer, is studying mussel adhesive, which is ideal for securing objects underwater.
Paul Alivisatos

Paul Alivisatos to step down as lab director

03/24/15 Berkeley Lab — Berkeley Lab Director Paul Alivisatos, who is also a professor of materials science and engineering and chemistry, on Tuesday announced his intention to leave his position once a successor can be recruited to lead the lab.
Stress defects in titanium cross-section

Study reveals how oxygen is like kryptonite to titanium

02/05/15 — Materials scientists at Berkeley Engineering have discovered how titanium, prized for its strength and corrosion resistance, becomes brittle with just a few extra atoms of oxygen. The discovery could open the door to expanded use of the lightweight metal.
Stripes showing differences in electron density in graphene

Graphene advances as viable silicon substitute

01/27/15 — A new study demonstrating a way to control the movement and placement of electrons in graphene moves the wonder material a major step closer to knocking silicon off as the dominant workhorse of the electronics industry. Among the study's lead authors is Berkeley Engineering's Lane Martin, associate professor of materials science and engineering.

Retirement of Professor Ronald Gronsky

12/11/14 — Professor Ronald Gronsky will be stepping down from his position as Director of the Global Engagement Office (GEO) at the end of December.
Fiona Doyle

Engineering’s Fiona Doyle named new dean of the Graduate Division

11/21/14 — Fiona Doyle, Berkeley Engineering's executive associate dean, has been named dean of the Graduate Division for UC Berkeley, a position she will take over Jan. 1. Doyle, the Donald H. McLaughlin Professor of Mineral Engineering, has been at Berkeley since 1983, serving in many leadership capacities.
Illustration of mechanical body parts

Body mechanics

11/01/14 — Berkeley engineers are building better bodies, one part at a time.