Beam On!

GSECARS successfully completed beamline upgrades associated with the APS Upgrade. Beamline commissioning started on July 26, 2024

Click Here to Learn More

GSECARS Scientists Continue to Decode Moon's Mysteries 50 Years Later

Celebrating the 50th anniversary of the Apollo 11 moon landing, Argonne explores its early lunar research as it anticipates studies at the Advanced Photon Source of pristine moon rocks from the final lunar landing missions.
Click Here to Learn More

Diffraction at 13 BMC

Jin Zhang, an assistant professor in The University of New Mexico’s Department of Earth and Planetary Sciences, was recently awarded a NSF CAREER grant to pursue new research on the elastic anisotropy of mantle minerals and potential relationships with mantle flows.  Pictured here at 13 BMC.

Dr. Jin Zhang awarded prestigious NSF Career Grant

Learn more about 13 BMC

What Diamond Impurities Tell Us About Earth's Mantle

Pockets of water may lay deep below Earth’s surface.
Find Out More

GSECARS Outreach

GSECARS hosts experiments at 13 IDE for high school students in the Exemplary Student Research Program (ESRP) representing local area high schools.

GSECARS Outreach

X-ray Diffraction Patterns from a Diamond Anvil Cell.

X-ray diffraction is the most powerful technique for crystal structure determination. From left to right, patterns from a single crystal, polychrystalline, nano-cyrstalline and amorphous crystals.

Learn More

Paris-Edinburg Press

The 180 ton Paris-Edinburg press combined with a multi-channel collimator to study structures of liquid silicates up to 12 GPa and 3000 K in 13-ID-C. The intense double focused monochromatic beam allows collection of X-ray scattering patterns with robust statistics in 5 minutes.

Learn More

13 IDE new mirrors

13 IDE new mirrors achieve focused spot sizes in both the vertical and horizontal direction of <500 nm.

Learn More

GSECARS
A national user facility for frontier research in the earth sciences using synchrotron radiation at the Advanced Photon Source, Argonne National Laboratory.

GSECARS provides earth scientists with access to the high-brilliance hard x-rays from this third-generation synchrotron light source. All principal synchrotron-based analytical techniques in demand by earth scientists are being brought to bear on earth science problems.

APS accepting 2026-2 proposals February 2 through March 4 (2pm), 2026.

Research Techniques

Quick Links

Upcoming Events

Feb
11
Wed
all-day eBERlight 101
eBERlight 101
Feb 11 all-day
eBERlight 101
eBERlight 101 2/11-2/13/2026 Argonne National Laboratory  The second eBERlight 101 in-person workshop, organized by the eBERlight group at the Advanced Photon Source (APS), is designed for researchers at all career levels involved in bioenvironmental studies[...]
all-day eBERlight 101: Application of X-...
eBERlight 101: Application of X-...
Feb 11 all-day
eBERlight 101: Application of X-ray methods in biological and environmental research +++++++++++++++++++++++++++++++++++ We are pleased to announce the second workshop, “eBERlight 101: Application of X-ray methods in biological and environmental research”, to be held February[...]
10:00 am PSC All-Hands Meeting
PSC All-Hands Meeting
Feb 11 @ 10:00 am – 11:00 am
PSC All-Hands Meeting The next PSC All-Hands Meeting being held next Wednesday, February 11, 2026, and you won’t want to miss it! We’ll spend about half an hour on recent updates, and then we’ll take[...]
Mar
2
Mon
all-day Rock Deformation Workshop
Rock Deformation Workshop
Mar 2 all-day
ISRD-RCN and SEES will host a hands-on workshop to introduce synchrotron techniques to the rock deformation community on March 2–4, 2026, at the Advanced Photon Source in Lemont, Illinois. The workshop will focus on synchrotron-based high-pressure, high-temperature rock[...]
Mar
5
Thu
6:00 pm ANL OutLoud Public Lecture Series
ANL OutLoud Public Lecture Series
Mar 5 @ 6:00 pm – 7:15 pm
ANL OutLoud Public Lecture Series Beacons of Discovery: Argonne’s User Facilities and Some of Their Greatest Contributions Argonne National Laboratory is where some of the world’s most pressing problems are solved through science, technology and[...]
May
4
Mon
all-day APS 2026 User Meeting
APS 2026 User Meeting
May 4 all-day
APS 2026 User Meeting May 4-8, 2026 Argonne National Laboratory  The APS/CNM Users Meeting is a week-long event that includes user presentations, scientific awards, a poster session, and workshops dedicated to the wide array of[...]
Jun
21
Sun
all-day Coherence 2026 Conference
Coherence 2026 Conference
Jun 21 all-day
Coherence 2026 Conference Coherence 2026 will be held June 21-25, 2026 on the beautiful University of Wisconsin-Madison campus in Madison, WI, USA. The conference  features exciting presentations on the development of optical coherence techniques using[...]
all-day Coherence 2026 Conference
Coherence 2026 Conference
Jun 21 all-day
Coherence 2026 https://conferences.union.wisc.edu/coherence/ Coherence 2026 will be held June 21-25, 2026 on the beautiful University of Wisconsin-Madison campus in Madison, WI, USA. The conference features exciting presentations on the development of optical coherence techniques using[...]

Recent Publications

Science Highlights

Latest Happenings at GSECARS

13 IDE new mirrors achieve focused spot sizes in both the vertical and horizontal direction of <500 nm. Click here to read more

JTEC Mirror Install

Click to Enlarge

100nm

Click to Enlarge

200nm

Click to Enlarge