GSE engineer Mike Proskey puts the final touches on the new KB Mirror System for the 13 IDD Diamond Anvil Cell Program.

Beautiful aurora borealis seen in Chicagoland on November 12, 2025.

The Origin of Earth's Water. Horn, H.W., Vazan, A., Chariton, S. Prakapenka, V., Shim, S-H., Building wet planets through high-pressure magma–hydrogen reactions. www.nature.com/articles/s41... news.asu.edu/20251029-sci... www.nature.com/articles/d41... www.sciencenews.org/article/plan...

Travis Hager, Wenlu Zhu and Megan Ryan (University of Maryland) conduct an experimental investigation of fault propagation and frictional instability, 13 BMD, Nov 2025.

Sang Soo Lee, Ana Suzana (Argonne National Lab) look to visualize structural evolution of the electrical double layer using time-resolved resonant anomalous X-ray reflectivity, 13 IDC, Nov 2025.

Biao Wang (Michigan State University) prepares his DAC for upcoming beamtime where he will investigate the bridgmanite to post-perovskite phase transition, 13 IDD, Nov 2025.

An exhausted, yet happy, user at GSECARS 13 BMD

Malgorzata Korbas (ANL) investigates the chemical characterization of the cortex layer in two lichen species: Polycauliona candelaria and Xanthomendoza, 13 IDE, Oct 2025.

Aaron Ashley and Thomas Bonnefond (Laboratoire Magmas et Volcans) investigate high pressure viscosities of aluminosilicate melts, 13 IDD, Oct. 2025.

Qi Chen (University of Chicago) investigates the viscosity of Fe-bearing andesitic melts at upper mantle conditions, 13 IDD, Oct 2025.

Students from Yonsei University and Gwangju Institute of Science and Technology study high-temperature and high-pressure reactions of microplastics and Mn oxide mineral to foresee the metamorphic signature of the Anthropocene, 13 BMD, Oct 2025.

GSECARS hosted a talk by Li-Wei Kuo, National Central University, Taiwan entitled "Footprints of recent catastrophic earthquake faults: The cases of TCDP and WFSD", Oct 17, 2025.

James Hall, Leena Cycil, Baylee Colburn, and Eduardo Martinez (University of Nevada, Las Vegas) examine the potential elemental and structural biosignatures in clay minerals in preparation for sample return from Mars, 13 IDE, Oct 2025.

Jiasen Hu (Texas A&M University) studies the pressure-induced spin transition of iron and effect on the equation of state in Fe-bearing CaSiO3, 13 BMC, Oct 2025.

Trevor Tyson (New Jersey Institute of Technology) studies the pressure dependent properties of the Fe3-xGeTe2 2D magnet system, 13 BMD, Oct 2025.

Wenhao Su (Texas A&M University) study the high pressure-temperature (P-T) equation of state and stability fields of cubic and tetragonal Ti, Al, Fe, Mg-bearing Ca-pv under lower mantle conditions,13 BMC, Oct 2025.

Ruiqi Yang, Kaden Wheeler and Shomeek Mukhopadhyay (Yale University) conduct an X-ray diffraction study of superconducting H3S in a graphene-confined composite system under high pressure, 13 IDD, Oct 2025.

Bryce Watkins, Jerome Specht and Liliana Lefticariu (Southern Illinois University) research phyllosilicate transformation via open-system acid alteration with implications for secondary Martian deposits, 13 IDE, Oct 2025.

Amanda Chen (Stanford University) conducts research into the valence state of iron in the Kondo insulator candidate FeSb2 at extreme conditions and implications for their unconventional quantum oscillations, 13 IDE, Oct 2025.

Qiao Yan, Yinghao Wen and Hang Xu (Georgia Institute of Technology) initiate a comprehensive understanding of gallium speciation in bauxite and red mud for optimized recovery, 13 IDE, Oct 2025.

Bin Zhao (U Hawaii) researches the structure of hydrous diopside melt under high pressure using X-ray diffraction, 13 IDC, Oct 2025.

Peng Ni, Sarina Ortiz-Stock (UCLA) and Steven Shirey (Carnegie Inst of Washington) with GSE beamline scientist Dongzhou Zhang (UofC) conduct synchrotron X-ray diffraction analysis of mineral inclusions in sublithospheric diamonds, 13 BMC, Oct 2025.

Sean Shien and Mauritz van Zyl (U Western Ontario) conduct a high-pressure brillouin spectroscopy study of reidite, 13 BMD, Oct 2025.

GSECARS beamline scientists Stella Chariton and Dongzhou Zhang hosted students from the National X-ray School, July 27, 2025. www.anl.gov/education/na...

GSE staff members inspired future scientists at the South Side Science Fest. southsidescience.event.uchicago.edu

GSECARS congratulates ChemMatCARS, Sector 15, APS for achieving first light after their upgrade. Opening the photon shutter are Mark Schlossman (UIC), Binhau Lin and Wei Bu (UofC).

Jacob Fritsky and Huifei Zhai (Arizona State University) study the effect of preferential site ordering on pressure-induced phase transitions in Sm3Ru4Sn13-xGex, 13 BMC, October 2025.

Juyong Bak, Anna Thomas and Athena Nghiem (UW Madison) study arsenic mobilization in peat-influenced aquifers through synchrotron-based speciation, 13 IDE, Oct 2025.

GSE beamline scientist Yanbin Wang presented a talk and chaired two sessions at AIRAPT 2025. "High-pressure deformation in large-volume presses with synchrotron radiation and other in-situ probes". smartconf.jp/content/aira...

GSECARS beamline scientist Mark Rivers served on the ICALEPCS 2025 International Scientific Advisor Committee and Local Organizing Committee. Talk presentation: "EPICS areaDetector Overview and Update". gsecars.uchicago.edu/wp-content/u...

GSECARS beamline scientist Mark Rivers served on the ICALEPCS 2025 International Scientific Advisor Committee and Local Organizing Committee. Talk presentation: "Converting the GSECARS APS Beamlines from VME". gsecars.uchicago.edu/wp-content/u...

Tony Yu (University of Chicago) setting up the Paris Edinburgh cell assembly toward developing resistive heating above 3000 K for in-situ high temperature liquid structure study in a multi anvil press, 13 IDC, Sept 2025.

Maksim Yakovlev, GSE Postdoctoral Scholar, presented a talk at AIRAPT2025, "Reconstruction Correction for Artifact-Prone High Temperature and Pressure Synchrotron Micro-Tomography Datasets in Earth Science", September 2025. smartconf.jp/content/aira...

Wentao Cao and Isabelle Price (SUNY Fredonia) investigate the redox state in Mesoproterozoic orogenic lower crust: perspective from the Grenville Province, 13 IDE, Sept 2025.

Hannah Bartels and Leonard Vincent Majaducon (Stanford) research perovskite heterostructures under high pressures, 13 BMC, Sept 2025.

Mollie Pope (Washington State University) investigates how the Upper Mantle and Lower Crust become oxidized: combined Fe- and S-XANES in apatite and scapolite, 13 IDE, Sept 2025.

Young Jay Ryu (University of Chicago) is working on developing angle-dispersive X-ray techniques with multi-channel collimator and brillouin spectroscopy to analyze silicate melts at extreme conditions, 13 BMD, Sept 2025.

Daniel Coulthard (Colorado State University) and Allan Lerner (USGS) work on the determination of sulfur speciation in dacitic glass from synthetic analogues of hazardous evolved magmas, 13 IDE, Sept 2025.

New X-ray mirrors in 13 IDE achieve <500nm focused spot. gsecars.uchicago.edu/2025/09/23/n...

Successful first test of new laser heating system, 13IDD DAC by GSE scientists Vitali Prakapenka and Stella Chariton. To take full advantage of the APS-U, we initiated the process of technical developments for the DAC beamlines at GSECARS.

GSE Beamline Scientist Vitali Prakapenka was invited to Northern Illinois University to speak at a colloquium series organized by the Department of Earth, Atmosphere & Environment. Hosted by S. Autrey and M. Frank, with the title "Advanced Tools for Mineral Characterization at Extreme Conditions."

GSE scientific staff Tony Yu, Yanbin Wang, and Young Jay Ryu conduct an experiment at Soleil on the high-temperature density experiment on wollastonite and albite. Dr. Eva Pereiro, Soleil Science Director, visited the group to discuss the work and the potential applications of the findings.

Ryan Murphy and Catherine Badding (MIT) conduct offline work for high-pressure multi-anvil press synthesis of RuBi4, 13 IDD

GSE staff Max Yakovlev and Mike Proskey move the new KB Mirror System into its final location on the upgraded IDD DAC Table.

Work progresses as GSE staff Mike Proskey and Peter Eng continue the work on the ID C/D monochromator first crystal.

Brock Medernach and Suzanne Autrey (Northern IL University) work on garnet synthesis to test QuiG geobarometry, 13 IDD LVP offline, Aug 2025.

GSE Beamline Scientist Vitali Prakapenka gave an invited lecture to the The 3rd High-Pressure Single-Crystal X-Ray Diffraction Summer School, Goethe University Frankfurt, Germany. indico.global/event/6723/o...

Work on the new IDD DAC Experimental Table continues with the installation of the new KB Mirror System, fabricated by IDT (Instrument Design Technology). www.idtnet.co.uk/index.html

GSECARS was pleased to host a tour of SEES-funded facilities at the APS for the SEES 2025 Annual Meeting participants, including NSF Program Managers Andy Frassetto and Wendy Panero. gsecars.uchicago.edu/2025-sees-is...

APS Rapid Access Now Open for 2025-3 Proposals. Submit a proposal at ups.servicenowservices.com/ups.