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CARS mourns the recent loss of Guy Macha. A valued staff member of CARS for 26 years, he will be remembered for his appreciated insight, advice, subtle sense of humor and kindness. Guy will be missed. Our deepest sympathy goes out to his beloved wife Alice, his family and friends.
A memorial service for Guy will be held at 1:30 pm on Saturday, January 29, 2022, at Farkas Funeral Home, 3201 W. Jefferson Street, Joliet IL. Memorial Visitation will be from 10:00 a.m. until time of service. Per Guy’s wishes, cremation rites have been accorded. In lieu of flowers, donations to Lightways Hospice, 250 Waterstone Circle, Joliet, IL 60431 in Guy’s name would be greatly appreciated.
A national user facility for frontier research in the earth sciences using synchrotron radiation at the Advanced Photon Source, Argonne National Laboratory.
High-pressure/high-temperature crystallography and spectroscopy using the diamond anvil cell
High-pressure/high-temperature crystallography and imaging using the large-volume press
Powder, single crystal and interface diffraction
Inelastic x-ray scattering
X-ray absorption fine structure spectroscopy
X-ray fluorescence microprobe analysis
Future of COMPRES, GSECARS, and Synchrotron-Based Earth Science Research
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Saiana Khandarkhaeva, Timofey Fedotenko, Stella Chariton, Elena Bykova, Sergey V. Ovsyannikov, Konstantin Glazyrin, Hanns-Peter Liermann, Vitali Prakapenka, Natalia Dubrovinskaia, and Leonid Dubrovinsky
Inorganic Chemistry Article ASAP
Size-frequency distributions and physical properties of chondrules from x-ray computed microtomography and digital data extraction
Friedrich, J. M., Chen, M. M., Giordano, S. A., Matalka, O. K., Strasser, J. W., Tamucci, K. A., Rivers, M. L., & Ebel, D. S. (2021). Size-frequency distributions and physical properties of chondrules from x-ray computed microtomography and digital data extraction. Microscopy Research and Technique, 1– 11.
* Made it to the cover of the journal *
R. Gajda, D. Zhang, J. Parafiniuk, P. Dera, K. Woźniak, “Tracing electron density changes in langbeinite under pressure,” IUCrJ 9 (1), 146-162 (2022).
Impact of Ion–Ion Correlations on the Adsorption of M(III) (M = Am, Eu, Y) onto Muscovite (001) in the Presence of Sulfate
Julia Neumann, Sang Soo Lee, Hannes Brinkmann, Peter J. Eng, Joanne E. Stubbs, Thorsten Stumpf, and Moritz Schmidt, Impact of Ion–Ion Correlations on the Adsorption of M(III) (M = Am, Eu, Y) onto Muscovite (001) in the Presence of Sulfate, (2022)
The Journal of Physical Chemistry C Article ASAP
A Reentrant Phase Transition and a Novel Polymorph Revealed in High-Pressure Investigations of CF4 up to 46.5 GPa
Dominique Laniel , Timofey Fedotenko , Björn Winkler , Alena Aslandukova , Andrey Aslandukov , Georgios Aprilis , Stella Chariton , Victor Milman , Vitali B. Prakapenka , Leonid S Dubrovinsky , and Natalia Dubrovinskaia , “A Reentrant Phase Transition and a Novel Polymorph Revealed in High-Pressure Investigations of CF4 up to 46.5 GPa”, J. Chem. Phys. (in press) (2021)
High pressure-temperature single-crystal elasticity of ringwoodite: Implications for detecting the 520 discontinuity and metastable ringwoodite at depths greater than 660 km
Wen-Yi Zhou, Jin S. Zhang, Quancheng Huang, Xiaojing Lai, Bin Chen, Przemyslaw Dera, Brandon Schmandt, High pressure-temperature single-crystal elasticity of ringwoodite: Implications for detecting the 520 discontinuity and metastable ringwoodite at depths greater than 660 km, Earth and Planetary Science Letters, Volume 579,
High-Pressure Investigation of 2,4,6-Trinitro-3-bromoanisole (TNBA): Structural Determination and Piezochromism
Christian M. Childs, Brad A. Steele, Paulius Grivickas, Dongzhou Zhang, Jonathan Crowhurst, I-Feng W. Kuo, Sorin Bastea, and Samantha M. Clarke, High-Pressure Investigation of 2,4,6-Trinitro-3-bromoanisole (TNBA): Structural Determination and Piezochromism,
The Journal of Physical Chemistry C Article ASAP
Youjun Zhang, Kai Luo, Mingqiang Hou, Peter Driscoll, Nilesh P. Salke, Ján Minár, Vitali B. Prakapenka, Eran Greenberg, Russell J. Hemley, R. E. Cohen, Jung-Fu Lin, Thermal conductivity of Fe-Si alloys and thermal stratification in Earth’s core,
Proceedings of the National Academy of Sciences Jan 2022, 119 (1) e2119001119
Ningyu Sun, Hui Bian, Youyue Zhang, Jung-Fu Lin, Vitali B. Prakapenka, Zhu Mao; High-pressure experimental study of tetragonal CaSiO3-perovskite to 200 GPa. American Mineralogist 2022;; 107 (1): 110–115.
Wang, Baoyun, Zhang, Yanyao, Fu, Suyu, Yan, Wei, Takahashi, Eiichi, Li, Li, Lin, Jung-Fu and Song, Maoshuang. “Single-crystal elasticity of phase Egg AlSiO3OH and δ-AlOOH by Brillouin spectroscopy” American Mineralogist, vol. 107, no. 1, 2022, pp. 147-152.
Latest Happenings at GSECARS
CarnegieScience.edu showcases the exciting discoveries of our pioneering researchers in astronomy, Earth and planetary science, genetics and developmental biology, global ecology, matter at extremes states, and plant science. It also features our science education programs, and much, much more.
Frustrated Antiferromagnet Jarosite Collapses under Pressure: Researchers using the U.S. Department of Energy’s Advanced Photon Source and National Synchrotron Light Source II investigating the pressure-temperature phase diagram of jarosite at pressures up to 121 GPa found that it’s antiferromagnetic magnetic order di
Using X-ray techniques, scientists will study tiny specks of asteroid 162173 Ryugu, collected by a Japanese space mission. Learning more about how this asteroid formed will further our understanding of the solar system, including Earth’s formation.
Carbonate-induced Melting in the Deep Upper Mantle: This research, carried out at the U.S. Department of Energy’s Advanced Photon Source, will foster a better understanding of the role of carbon in the Earth’s geochemical and geophysical systems.