Beam On!

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

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

Celebrating the 50^th 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.

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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

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What Diamond Impurities Tell Us About Earth's Mantle

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

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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.

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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.

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13 IDE new mirrors

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

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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

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Recent Publications

Pressure-temperature stability and equation of state of staurolite: Implications for the water transport during cold slab subduction

Shijie Huang, Jingui Xu, Dongzhou Zhang, Shanrong Zhang, Yufeng Liu, Yikui Liang, Zimo Li, Wenge Zhou, Dawei Fan, "Pressure-temperature stability...

Invisible water in subducted crust: Lawsonite velocity anomalies under mantle conditions

Chen, Sibo, Siheng Wang, Xintong Qi, Man Xu, Tony Yu, Yanbin Wang, and Baosheng Li. "Invisible water in subducted crust: Lawsonite velocity...

Viscosity of Dry and Hydrous Diopside Melts at High Pressures: Implications for Upper Mantle Magma Dynamics

Chen, Q., Zhao, B., Yu, T., Ashley, A. W., & Wang, Y. (2025). Viscosity of dry and hydrous diopside melts at high pressures: Implications for...

Polymorphism and Phase Control in Dion–Jacobson 2D 3-(Aminomethyl)piperidinium-Based Metal Iodide Perovskites

Jared D. Fletcher, Marios Zacharias, Shoshanna Peifer, Jin Hou, Anastasia D. Pournara, Aditya D. Mohite, Richard D. Schaller, Jacky Even, Claudine...

Strong anharmonicity with large mode-Grüneisen parameter in Na-doped PbTe

Lan Yu, Hao Yu, Liu-Cheng Chen, Hong-Jie Pang, Qian Zhang, Zhifeng Ren, Xiao-Jia Chen, "Strong anharmonicity with large mode-Grüneisen parameter in...

Elasticity of davemaoite as a primary contributor to lower-mantle heterogeneities

Zhou, Wen-Yi, Ming Hao, Wenhao Su, Taehyun Kim, Sibo Chen, Sang-Heon Shim, Dongzhou Zhang, Phuong QH Nguyen, Katherine Armstrong, and Jin S. Zhang....

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Science Highlights

Building wet planets through high-pressure magma–hydrogen reactions

Oct 29, 2025

Horn, H.W., Vazan, A., Chariton, S. Prakapenka, V., Shim, S-H., Building wet planets through high-pressure magma–hydrogen reactions. Nature 646,...

High-pressure Cr3+ luminescence and Raman of a natural MgAl2O4 spinel to ∼60 GPa

Oct 28, 2025

Pease, A., D. Sneed, C. Vennari, and E. F. O’Bannon III. "High-pressure Cr3+ luminescence and Raman of a natural MgAl2O4 spinel to∼ 60 GPa." Journal...

Redox and magma recharge controls on excess sulfur build-up at Mount Samalas, 1257 CE

Oct 20, 2025

Ding, S., Longpré, MA., Economos, R. et al. Redox and magma recharge controls on excess sulfur build-up at Mount Samalas, 1257 CE. Nat Commun 16,...

Crystal Structure Evolution of Nanohematite during Dissolution: Evidence for Partitioning of Iron Vacancies in Nanoparticle Shells

Oct 15, 2025

Chung, Dong Youn, Peter J. Heaney, Jeffrey E. Post, Joanne E. Stubbs, and Peter J. Eng. "Crystal Structure Evolution of Nanohematite during...

Fluid/Fluid Interfacial Areas Measured for Different Non-Wetting/Wetting Fluid Pairs in Natural Porous Media

Oct 15, 2025

Brusseau, Mark L., Matthew E. Narter, Greg Schnaar, Juliana Araujo, and Justin Marble. "Fluid/Fluid Interfacial Areas Measured for Different...

Close-packed atomic bromine up to 230 GPa

Oct 14, 2025

Edmund, E., M. H. Dalsaniya, R. T. Howie, E. Greenberg, V. B. Prakapenka, M. Peña-Àlvarez, M. Hanfland, P. Dalladay-Simpson, D. Kurzydłowski, and A....

Thermodynamic origin of the pressure-induced Invar effect: General criterion and experimental study of Fe68⁢Pd32

Oct 10, 2025

Priesen Reis, E. R., P. Guzman, S. H. Lohaus, A. Lin, C. M. Bernal-Choban, B. Fultz, J. Y. Zhao et al. "Thermodynamic origin of the pressure-induced...

Characterizing the pore-scale impacts of enhanched-solubization solutions on organic-liquid morhology and fluid-fluid interfacial area with microtomography

Oct 8, 2025

Narter, Matt, and Mark L. Brusseau. "CHARACTERIZING THE PORE-SCALE IMPACTS OF ENHANCED-SOLUBILIZATION SOLUTIONS ON ORGANIC-LIQUID MORPHOLOGY AND...

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Latest Happenings at GSECARS

A new, high precision pedestal for the 250-ton hydraulic press has been installed at SEES Beamline 6BM. Click here to read more

Next Entries »

Beam On!

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

Diffraction at 13 BMC

What Diamond Impurities Tell Us About Earth's Mantle

GSECARS Outreach

X-ray Diffraction Patterns from a Diamond Anvil Cell.

Paris-Edinburg Press

13 IDE new mirrors

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

Research Techniques

Quick Links

Upcoming Events

Recent Publications

Pressure-temperature stability and equation of state of staurolite: Implications for the water transport during cold slab subduction

Invisible water in subducted crust: Lawsonite velocity anomalies under mantle conditions

Viscosity of Dry and Hydrous Diopside Melts at High Pressures: Implications for Upper Mantle Magma Dynamics

Polymorphism and Phase Control in Dion–Jacobson 2D 3-(Aminomethyl)piperidinium-Based Metal Iodide Perovskites

Strong anharmonicity with large mode-Grüneisen parameter in Na-doped PbTe

Elasticity of davemaoite as a primary contributor to lower-mantle heterogeneities

Science Highlights

Building wet planets through high-pressure magma–hydrogen reactions

High-pressure Cr3+ luminescence and Raman of a natural MgAl2O4 spinel to ∼60 GPa

Redox and magma recharge controls on excess sulfur build-up at Mount Samalas, 1257 CE

Crystal Structure Evolution of Nanohematite during Dissolution: Evidence for Partitioning of Iron Vacancies in Nanoparticle Shells

Fluid/Fluid Interfacial Areas Measured for Different Non-Wetting/Wetting Fluid Pairs in Natural Porous Media

Close-packed atomic bromine up to 230 GPa

Thermodynamic origin of the pressure-induced Invar effect: General criterion and experimental study of Fe68⁢Pd32

Characterizing the pore-scale impacts of enhanched-solubization solutions on organic-liquid morhology and fluid-fluid interfacial area with microtomography

Pressure-induced phase transitions in rhodonite and related chain silicates

Influence of gradation on shear behavior and pore water response of sand

Influence of gradation on failure mode of saturated sand at particle scale

Latest Happenings at GSECARS

Stella Chariton, Tim Strobel, Shubham Sinha and Wencheng Lu at 13IDD

William Palfey and Alex Goncharov at 13IDD

Yong Park and Seongmin Ha at 13BMD

Isabelle Rein at 13IDE

Julia Neumann and Ahmet Uysal at 13BMC

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

Research Techniques

Quick Links

Upcoming Events

Recent Publications

Science Highlights

Latest Happenings at GSECARS

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