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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
Future of COMPRES, GSECARS, and Synchrotron-Based Earth Science Research
Quick Links
- Apply for Beamtime
- APS User Portal
- 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
Superconductivity above 200 K discovered in superhydrides of calcium
Li, Z., He, X., Zhang, C. et al. Superconductivity above 200 K discovered in superhydrides of calcium. Nat Commun 13, 2863 (2022).
Recent developments on high-pressure single-crystal X-ray diffraction at the Partnership for eXtreme Xtallography (PX2) program
Zhang, D., Xu, J., Dera, P.K. et al. Recent developments on high-pressure single-crystal X-ray diffraction at the Partnership for eXtreme Xtallography (PX2) program. Phys Chem Minerals 49, 19 (2022).
Materials synthesis at terapascal static pressures
Leonid Dubrovinsky, Saiana Khandarkhaeva, Timofey Fedotenko, Dominique Laniel, Maxim Bykov, Carlotta Giacobbe, Eleanor Lawrence Bright, Pavel Sedmak, Stella Chariton, Vitali Prakapenka, Alena V. Ponomareva, Ekaterina A. Smirnova, Maxim P. Belov, Ferenc Tasnádi, Nina Shulumba, Florian Trybel, Igor A. Abrikosov, Natalia Dubrovinskaia, “Materials synthesis at terapascal static pressures,” Nature 605, 274-278 (2022). DOI: 10.1038/s41586-022-04550-2
Science Highlights
Structural and vibrational behavior of 2H−NbSe2 at high pressures
Chen, Grace P. and Bykova, Elena and Bykov, Maxim and Edmund, Eric and Cao, Zi-Yu and Chen, Xiao-Jia and Smith, Jesse S. and Chariton, Stella and Prakapenka, Vitali B. and Goncharov, Alexander F., Structural and vibrational behavior of 2H−NbSe2 at high pressures, (2022) Phys. Rev. B 105, 224114
Hematite-goethite ratios at pH 2–13 and 25–170 °C: A time-resolved synchrotron X-ray diffraction study
Si Athena Chen, Peter J. Heaney, Jeffrey E. Post, Peter J. Eng, Joanne E. Stubbs, Hematite-goethite ratios at pH 2–13 and 25–170 °C: A time-resolved synchrotron X-ray diffraction study, Chemical Geology, Volume 606, 2022, 120995
Pressure-induced high-spin/low-spin disproportionated state in the Mott insulator FeBO3
Xu, W., Dong, W., Layek, S. et al. Pressure-induced high-spin/low-spin disproportionated state in the Mott insulator FeBO3. Sci Rep 12, 9647 (2022).
Pressure-induced local structural crossover in a high-entropy metallic glass
Zhang, Xin and Lou, Hongbo and Zhang, Fei and Luan, Hengwei and Liang, Tao and Li, Shubin and Chen, Xiehang and Shao, Yang and Yao, Ke-Fu and Zeng, Zhidan and Zeng, Qiaoshi,Pressure-induced local structural crossover in a high-entropy metallic glass, Phys. Rev. B, 105 (22), 2022, doi = 10.1103/PhysRevB.105.224201
Magnetic field screening in hydrogen-rich high-temperature superconductors
Minkov, V.S., Bud’ko, S.L., Balakirev, F.F. et al. Magnetic field screening in hydrogen-rich high-temperature superconductors. Nat Commun 13, 3194 (2022).
Verwey-Type Charge Ordering and Site-Selective Mott Transition inFe4 O5 under Pressure
Samar Layek, Eran Greenberg, Stella Chariton, Maxim Bykov, Elena Bykova, Dmytro M. Trots, Alexander V. Kurnosov, Irina Chuvashova, Sergey V. Ovsyannikov, Ivan Leonov, and Gregory Kh. Rozenberg, Verwey-Type Charge Ordering and Site-Selective Mott Transition in Fe4O5 under Pressure,
Journal of the American Chemical Society Article ASAP
DOI: 10.1021/jacs.2c00895
Synthesis, Structure, and Electric Conductivity of Higher Hydrides ofYtterbium at High Pressure
Tomasz Jaroń, Jianjun Ying, Marek Tkacz, Adam Grzelak, Vitali B. Prakapenka, Viktor V. Struzhkin, and Wojciech Grochala, Synthesis, Structure, and Electric Conductivity of Higher Hydrides of Ytterbium at High Pressure, Inorganic Chemistry Article ASAP
DOI: 10.1021/acs.inorgchem.2c00405
Latest Happenings at GSECARS

A novel crystal structure sheds light on the dynamics of extrasolar planets

Sandhill Crane
Beautiful, graceful Sandhill Crane and baby enjoy a walk near the 434 parking lot and nearby wetlands. Photo : Peter Eng.

Encouraging middle school student in STEM research
GSECARS beamline scientist Stella Chariton explains to middle schooler Grace Nesler about synchrotron research of the earth and planets and the exciting new discovery of Superionic Ice.

GSECARS welcomes new staff member Phuong Nguyen
Phuong Nguyen will be working with Dongzhou Zhang and Jingui Xu hosting DAC users at 13 BMC .