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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.
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High-pressure/high-temperature crystallography and spectroscopy using the diamond anvil cell
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High-pressure/high-temperature crystallography and imaging using the large-volume press
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Powder, single crystal and interface diffraction
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Inelastic x-ray scattering
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X-ray absorption fine structure spectroscopy
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X-ray fluorescence microprobe analysis
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Microtomography
On September 1, 2023 the National Science Foundation announced a $35 million award to the University of Chicago to operate SEES: Synchrotron Earth and Environmental Science. This includes funding for the GSECARS beamlines, the beamlines formerly funded by COMPRES, and new support for beamlines highlighting applications in environmental science, low temperature geochemistry, and rock deformation studies. More information can be found here:
https://new.nsf.gov/news/nsf-announces-new-award-synchrotron-earth
Quick Links
- Apply for Beamtime
- APS User Portal
- GSECARS Health Guidelines
- Register as a General User
- Register as a Visitor to APS
- Experiment Safety Approval Form (ESAF)
- End of Experiment Form (EEF)
- APS Storage Ring Schedule
- GSECARS Beamtime Schedule
- Argonne Guest House (AGH)
- Safety Training – Remote Access
- APS Publication Database
- APS Phone Application for Users
- APS Upgrade
- High Pressure Tools
- BMC Users Informational Flyer
Recent Publications
Amorphous Mn2SiO4: A potential manganese phase in the stagnant slab
Zhilin Ye, Jingui Xu, Dawei Fan, Dongzhou Zhang, Wenge Zhou, Hongsen Xie, “Amorphous Mn2SiO4: A potential manganese phase in the stagnant slab”, American Mineralogist, Vol 108, Number 11, 2023
Experimental and analytical assessment of fracture criteria for non-spherical sand grains
Seo, D., Tengattini, A., Viggiani, G. et al. Experimental and analytical assessment of fracture criteria for non-spherical sand grains. Granular Matter 26, 1 (2024).
Structure of the Bastnäsite (001) Surface by Crystal Truncation Rod X-ray Diffraction and Ab Initio Molecular Dynamics
Anna K. Wanhala, Luke D. Gibson, Joanne E. Stubbs, Radu Custelcean, Cole Hexel, Peter J. Eng, Vyacheslav S. Bryantsev, and Andrew G. Stack, Structure of the Bastnäsite (001) Surface by Crystal Truncation Rod X-ray Diffraction and Ab Initio Molecular Dynamics: Implications for Separations of a Rare Earth Ore Mineral, The Journal of Physical Chemistry C Article ASAP
GSECARS is organizing two synchrotron relevant sessions at the 2023 AGU Conference, Dec 11-15. Please consider attending.
Click for information
Science Highlights
Photophysical Behavior of Triethylmethylammonium Tetrabromoferrate(III) under High Pressure
Takeshi Nakagawa, Yang Ding, Kejun Bu, Xujie Lü, Haozhe Liu, Anna Moliterni, Jasminka Popović, Marian Mihalik, Zvonko Jagličić, Matúš Mihalik, and Martina Vrankić, Inorganic Chemistry Article ASAPDOI: 10.1021/acs.inorgchem.3c02607
The crystal structure of feitknechtite (β-MnOOH) and a new MnOOH polymorph ” Amerian Mineralogist, Vol 108, Number 11, 2023
Jeffrey E. Pos, Peter J. Heaney, Eugene S. Ilton, Evert J. Elzinga, ”
The crystal structure of feitknechtite (β-MnOOH) and a new MnOOH polymorph ” Amerian Mineralogist, Vol 108, Number 11, 2023
Temperature-induced densification in compressed basaltic glass revealed by in-situ ultrasonic measurements
Man Xu, Zhicheng Jing, Young Jay Ryu, Julien Chantel, James A. Van Orman, Tony Yu, Yanbin Wang, ”
Temperature-induced densification in compressed basaltic glass revealed by in-situ ultrasonic measurements”, American Mineralogist, Vol 108, Number 11, 2023, 2075–2085
Amorphous Mn2SiO4: A potential manganese phase in the stagnant slab
Zhilin Ye, Jingui Xu, Dawei Fan, Dongzhou Zhang, Wenge Zhou, Hongsen Xie, “Amorphous Mn2SiO4: A potential manganese phase in the stagnant slab”, American Mineralogist, Vol 108, Number 11, 2023
Experimental and analytical assessment of fracture criteria for non-spherical sand grains
Seo, D., Tengattini, A., Viggiani, G. et al. Experimental and analytical assessment of fracture criteria for non-spherical sand grains. Granular Matter 26, 1 (2024).
Structure of the Bastnäsite (001) Surface by Crystal Truncation Rod X-ray Diffraction and Ab Initio Molecular Dynamics
Anna K. Wanhala, Luke D. Gibson, Joanne E. Stubbs, Radu Custelcean, Cole Hexel, Peter J. Eng, Vyacheslav S. Bryantsev, and Andrew G. Stack, Structure of the Bastnäsite (001) Surface by Crystal Truncation Rod X-ray Diffraction and Ab Initio Molecular Dynamics: Implications for Separations of a Rare Earth Ore Mineral, The Journal of Physical Chemistry C Article ASAP
Pressure-Modulated Anomalous Organic–Inorganic Interactions Enhance Structural Distortion and Second-Harmonic Generation in MHyPbBr3 Perovskite
Yuhong Mao, Songhao Guo, Xu Huang, Kejun Bu, Zhongyang Li, Phuong Q. H. Nguyen, Gang Liu, Qingyang Hu, Dongzhou Zhang, Yongping Fu, Wenge Yang, and Xujie Lü, Pressure-Modulated Anomalous Organic–Inorganic Interactions Enhance Structural Distortion and Second-Harmonic Generation in MHyPbBr3 Perovskite, Journal of the American Chemical Society 2023 145 (43), 23842-23848DOI: 10.1021/jacs.3c09375
Latest Happenings at GSECARS

2023 NXS School
GSECARS beamline scientist Stella Chariton presented, “High Pressure Measurement with X-rays” at the 2023 NXS School.

GSECARS welcomes Maksim Yakovlev
Maksim Yakovlev is our new Postdoctoral Scholar and will be working with Mark Rivers in the GSE Tomography Program.

Rising “snow” deep in the Earth
By recreating HP/HT 1800 mi below the Earth’s surface, scientists at GSECARS have discovered an intriguing phenomenon.

Intern Jeremy Zhao
Intern Jeremy Zhao worked on Transformational Faulting for Deep-focus Earthquakes with GSE staff Yanbin Wang and Tim Officer. Jeremy will attend U Chicago this fall.

GSECARS welcomes summer student
GSECARS summer student Brian Nicolellis, an upcoming senior at IL State majoring in computer science, will be working with the CARS IT Group under Charlie Smith and Chris Skordas.