February 2025 - Sees_users - millenia.cars.aps.anl.gov

APS Proposal Deadline 2025-2, March 5, 2025, 2pm
by Nancy Lazarz 28 Feb '25

28 Feb '25

[cid:image002.png@01DB89E9.50349450] Deadline for APS Proposals and Experiment Time Requests Run Cycle 2025-2 Wednesday, March 5, 2025, 2 PM (Chicago time) Universal Proposal System https://urldefense.us/v3/__https://ups.servicenowservices.com/ups__;!!G_uCf… * New General User Proposals. * Proposals submitted for previous run cycles that are still active can request beamtime by submitting an experiment time request (ETR) for cycle 2025-2. * All SEES beamlines at the APS (Sector 13, 3-ID, 6-BM-B) will be accepting general user proposals. Helpful Tips to Submit a Proposal Using the Universal Proposal System<https://www.aps.anl.gov/Users-Information/About-Proposals/using-the-UPS> Universal Proposal System Video Tutorial<https://urldefense.us/v3/__https://www.youtube.com/watch?v=MiRB3it9CYI__;!!… > Register as an APS User<https://beam.aps.anl.gov/pls/apsweb/ufr_main_pkg.usr_start_page>

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This Friday: FORCE Seminar 2/28: Bob Liebermann “Ultrasonic Measurements of Sound Velocities at High Pressures and Temperatures”
by Kara Brugman 25 Feb '25

25 Feb '25

Join us for the first FORCE Seminar of the semester, this Friday, Feb. 28 at noon AZ/MST (11 am PT, 2 pm ET) on Zoom. Bob Liebermann from Stony Brook University will give a talk titled, “Ultrasonic Measurements of Sound Velocities at High Pressures and Temperatures”. Check out the attached flyer for the talk abstract and Dr. Liebermann's bio. See the past recording links below. If you would like to suggest someone (including yourself) to give a future FORCE seminar, please fill out this form. FORCE Seminar Schedule Fridays at noon AZ/11 am PT • February 28: Bob Liebermann, Stony Brook University Zoom • March 28: Rebecca Fischer, Harvard University • April 18: Asmaa Boujibar, Western Washington University • May 2: Damanveer Grewal, Arizona State University Seminar recordings from past semesters can be found on YouTube. Join the FORCE mailing list here. Follow us on LinkedIn, Bluesky, and Instagram. Kyusei Tsuno & Kara Brugman

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Rheology Seminar: GCCM Virtual Seminar February 27 - Professor Valery Levitas
by Yanyao Zhang 24 Feb '25

24 Feb '25

Dear Colleagues, Please register for the following rheology seminar if you are interested. Also, please feel free to spread it to other groups. Thank you! Cheers, Yanyao Zhang Subject: GCCM Virtual Seminar February 27 - Professor Valery Levitas [https://urldefense.us/v3/__https://info.aps.org/l/640833/2022-10-27/27md6z/… ] [https://urldefense.us/v3/__https://info.aps.org/l/640833/2023-09-20/2q6ypd/… ] Dear Colleagues, Please join us for a APS Topical Group on Compression of Condensed Matter (GCCM) virtual seminar. Information on the seminar and how to join are below. We would also like to solicit nominations for future seminars and anticipate having a mix of a single speaker or two speakers during an hour time slot. Please email your nominations to Tracy Vogler (tjvogle(a)sandia.gov<mailto:tjvogle@sandia.gov>). GCCM Virtual Seminar Series Organizing Committee Kaleb Burrage, Harrison Horn, Pat Kalita, Tom Lockard, Afreen Syeda, Nenad Velisavljevic, Tracy Vogler, and Yanyao Zhang New Rules of Coupled Severe Plastic Deformations, Phase Transformations, and Microstructure Evolution under High Pressure Professor Valery I. Levitas Departments of Aerospace and Mechanical Engineering Iowa State University Date: Thursday, February 27, 2025 at 12 p.m. ET / 9 a.m. PT Preregister and Receive Zoom<https://urldefense.com/v3/__https://info.aps.org/e/640833/egister-AeQboO1aR…> Abstract Plastic strain-induced phase transformations (PTs) during compression in diamond anvil cell (DAC) and torsion in rotational DAC (RDAC) require entirely different thermodynamic and kinetic treatments and experimental characterization [1,2] than pressure-induced PTs. The four-scale theory for plastic strain-induced PTs is developed [1], including molecular dynamics and first-principle simulations, developed nanoscale and scale-free phase-field approaches, and the behavior of the sample in DAC/RDAC at the macroscale. Various experimental effects are reproduced and predicted. It became clear [2-4] that their description strongly depends on the microstructure and its evolution, and microstructure evolves during strain-induced PTs. Four topics will be covered. 1. It was found [3,4] for severely predeformed Zr that (a) crystallite size and dislocation density in both phases in a single-phase state, the minimum pressure for the strain-induced α-ω PT in Zr, and the pressure-dependent yield strength of ω-Zr are getting steady and independent of plastic strain tensor and strain path ; (b) crystallite size and dislocation density in ω-Zr and (with some outliners) α-Zr during PT are independent of pressure, plastic strain tensor, and its path, and depend on the volume fraction of the high-pressure phase only. Obtained results can be used to find economic ways of grain refinement during PT and obtain nanocomposite with optimal properties. 2. Coupled experimental-analytical-computational approaches, utilizing synchrotron X-ray diffraction, are developed [5,6] to solve an inverse problem and find fields of all components of stress and plastic strain tensors and friction rules before, during, and after α-ω PT in strongly plastically predeformed Zr. In addition, the kinetics of strain-induced PT is described in the whole sample. 3. We revealed in situ various unexpected plastic strain-induced PT phenomena in Si [7]. Thus, for 100 nm Si, strain-induced PT Si-I→Si-II initiates at 0.3 GPa versus 16.2 GPa under hydrostatic conditions; for 30 nm Si, it is 6.1 GPa versus ∞ since it does not occur. For 100 nm Si-I→Si-III, it is 0.6 GPa vs. ∞. The predicted theoretical correlation between the direct and inverse Hall-Petch effect of the grain size on the yield strength and the minimum pressure for strain-induced PT is confirmed. Retaining Si-II at ambient pressure and obtaining reverse Si-II→Si-I PT are achieved for the first time. Retaining single-phase Si III is achieved at much more economic conditions than the currently known. 4. A new theory is developed for the plastic strain-induced olivine-spinel PT in a shear band, which resolves multiple existing puzzles in the mechanism of deep-focus earthquakes [8]. Conceptual experimental confirmation is obtained [9]. The obtained results offer a new fundamental understanding of strain-induced PTs under high pressure in DAC/RDAC. They create new opportunities in material design, synthesis, and processing of nanostructured materials by severe plastic deformations at low pressure, methods of controlling PTs and nanostructures, and searching for new high-pressure phases and phenomena. 1. Levitas V.I. Material Transactions, 60, 1294-1301 (2019). 2. Levitas V.I. Material Transactions, 64, 1866-1878 (2023). 3. Lin F., Levitas V.I., Pandey K.K., Yesudhas S., Park C. Materials Research Letters, 2023, 11, 757-763. 4. Lin F., Levitas V.I., Pandey K., Yesudhas S., Park C. (2023) https://urldefense.us/v3/__https://info.aps.org/e/640833/10-48550-arXiv-230… <https://urldefense.com/v3/__https://info.aps.org/e/640833/10-48550-arXiv-23…> 5. Levitas V.I., Dhar A., and Pandey K.K. Nature Communication, 14, 5955 (2023). 6. Dhar A., Levitas V.I., Pandey K. K., Park C., Somayazulu M., Velisavljevic N. Nature NPJ Computational Materials, 10, 290 (2024). 7. Yesudhas S., Levitas V.I., Lin F., Pandey K. K., Smith J. Nature Communications, 15, 7054 (2024). 8. Levitas V.I. Nature Communications, 13, 6291 (2022). 9. Lin F., Levitas V.I., Yesudhas S., and J. Smith. (2023) https://urldefense.us/v3/__https://info.aps.org/e/640833/10-48550-arXiv-230… <https://urldefense.com/v3/__https://info.aps.org/e/640833/10-48550-arXiv-23…> Geophysical Research Letters, 2025, DOI: 10. 1029/2024GL111281. Biography Professor Valery Levitas, Iowa State University Valery I. Levitas is an Anson Marston Distinguished Professor in Engineering and Murray Harpole Chair in Engineering at Iowa State University, Departments of Aerospace and Mechanical Engineering, Ames, IA, USA. He received his PhD and then worked as a group leader and Leading Researcher at the Institute for Superhard Materials of the Ukrainian Academy of Sciences, Kyiv. Later, he worked at the University of Hannover, Germany, Texas Tech University, and Iowa State University. He brought a unique device, the rotational diamond anvil cell (RDAC) to the USA from his former group in Kyiv. Valery initiated (a) in situ experimental studies of coupled severe plastic deformations, plastic strain-induced phase transformations, and microstructure evolution under high pressure with RDAC, (b) corresponding four-scale theory (from atomistic to macroscale), and (c) coupled experimental-computational methods to extract information about all heterogeneous fields in the sample, mechanical and transformational properties, as well as governing rules and new phenomena. He published 485 scientific papers, including 302 refereed journal papers, 3 monographs, 11 book chapters, as well as 11 patents; he has >14,000 citations and an h-factor of 70. Valery presented numerous plenary, keynote, and invited lectures for high pressure, nanomaterials by severe plastic deformations, mechanochemistry, phase transformations, material science, and mechanics of materials communities. He received various national and international honors and awards, including membership in the EU Academy of Sciences and the European Academy of Sciences and Arts. Join the conversation! Visit your unit's website<https://urldefense.com/v3/__https://info.aps.org/e/640833/membership-commun…> and log in to your unit's APS Engage discussion community. Ask for career advice, support or mentor members, learn about or share opportunities (e.g. meetings and funding opportunities), and more. 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FORCE Seminar 2/28: Bob Liebermann “Ultrasonic Measurements of Sound Velocities at High Pressures and Temperatures”
by Kara Brugman 13 Feb '25

13 Feb '25

Join us for the first FORCE Seminar of the semester, Friday, Feb. 28 at noon AZ/MST (11 am PT, 2 pm ET) on Zoom. Bob Liebermann from Stony Brook University will give a talk titled, “Ultrasonic Measurements of Sound Velocities at High Pressures and Temperatures”. Check out the attached flyer for the talk abstract and Dr. Liebermann's bio. See the past recording links below. If you would like to suggest someone (including yourself) to give a future FORCE seminar, please fill out this form. FORCE Seminar Schedule Fridays at noon AZ/11 am PT 1. February 28: Bob Liebermann, Stony Brook University Zoom • March 28: Rebecca Fischer, Harvard University • April 18: Asmaa Boujibar, Western Washington University • May 2: Damanveer Grewal, Arizona State University Seminar recordings from past semesters can be found on YouTube. Join the FORCE mailing list here. Follow us on LinkedIn, Bluesky, and Instagram. Kyusei Tsuno & Kara Brugman

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Beamtime for SEES beamlines at the APS
by Mark Rivers 12 Feb '25

12 Feb '25

Dear SEES Users, The Advanced Photon Source (APS) has opened the General User Proposal (GUP) call for the 2025-2 run cycle with a deadline of March 5. APS has also opened a Rapid Access Proposal (RAP) call for 2025-1. All SEES beamlines at the APS (3-ID, 6-BM, and all Sector 13 beamlines) will participate in both the 2025-2 GUP and 2025-1 RAP calls. The NSF SEES beamlines and techniques will come online for user experiments at different times as they become ready over the coming months. We're excited to welcome users back to conduct early experiments in 2025-1 and 2025-2. These represent critical steps in commissioning the capabilities of the new facility and beamlines. This time period will likely entail a higher probability of lost user beamtime due to issues encountered with the storage ring or the beamline components when compared with mature general user operations. More details about the beamline commissioning process, return to user experiments, and status of individual SEES beamlines at the APS can be found at https://urldefense.us/v3/__https://seescience.org/beamlines-and-facilities/… . If you would like to submit either a Rapid Access Proposal for 2025-1 or a General User Proposal for 2025-2, please visit https://urldefense.us/v3/__https://ups.servicenowservices.com/ups__;!!G_uCf… <https://urldefense.us/v3/__https:/ups.servicenowservices.com/ups__;!!G_uCfs…>. We encourage you to first contact the appropriate beamline scientist to discuss feasibility of your proposed research. Whether beamtime will be allocated for a particular proposal in 2025-1 or 2025-2 will depend on readiness of the instruments and optics required, in addition to numerical score. Users for whom we are able to allocate beamtime for the 2025-1 run (either through the prior GUP or the current RAP call) will be contacted about scheduling if and when the beamline/technique is ready. Beamtime for the 2025-2 run will be scheduled similarly for beamlines that are still commissioning at that time and via the APS scheduling system for beamlines that have transitioned to general user operations by then. Best regards, Mark Rivers, NSF SEES Chief Technology Officer

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Soft and tender STXM and nanoprobe workshop/ Goldschmidt 2025
by Kyounglim Kang 12 Feb '25

12 Feb '25

Dear Colleagues, We are pleased to invite you to our upcoming 1-day workshop at Goldschmidt. This one-day workshop will highlight soft and tender X-ray STXM and nanoprobe beamlines supported by SEES at ALS and SSRL: ALS 5.3.2.2: Soft x-ray scanning transmission x-ray microscopy ALS 7.0.1.2: Coherent Scattering and Microscopy (COSMIC)imaging ALS 11.0.2.2: Molecular Environmental Science Scanning Transmission SSRL 14-3b: Tender X-ray microprobe What you will learn - Detection capabilities and applications of STXM, ptychography and nanoprobe techniques for Earth and environmental sample - Practical workflow for beamline experiments (proposal preparation, sample preparation, data acquisition and analysis strategies) - Case studies demonstrating multi-modal analysis This workshop will provide practical guidance for new users interested in X-ray microscopic and spectroscopic instruments as well as suggest various pathways and advanced methodologies for experienced users. The details are as follows: *Title of workshop:* Soft and tender X-ray imaging and spectroscopic analysis of Earth and environmental samples | 1-DAY WORKSHOP *Registration Deadline: May 21, 2025* *Description of workshop:* Synchrotron-based X-ray spectroscopic and microscopic techniques offer capabilities to investigate micro- and nano-scale geochemical processes in Earth surface systems. Up to now, the low temperature geochemical community has largely accessed hard X-ray instruments to study the reactivity and transport of geogenic and anthropogenic contaminants such as arsenic, uranium, and mercury. Understanding how these contaminants link to light elements (e.g., carbon, nitrogen, and sulfur) and other key environmental reactions (e.g., biogeochemical nutrient cycling, carbon sequestration, and (bio)mineralization) requires the use of soft and tender X-ray techniques. In this workshop, we will introduce an exciting new suite of programs that participants can increase their access to soft and tender X-ray techniques for geochemical research. The “Synergy of Soft and Tender X-rays for Earth Research” (SYSTER) program at the Advanced Light Source (ALS; Berkeley, CA, USA) and the Stanford Synchrotron Radiation Lightsource (SSRL; Menlo Park, CA, USA), subcomponents of the US National Science Foundation-awarded “Synchrotron Earth and Environmental Science” (SEES) program, aims to provide Earth and Environmental Science (EES) synchrotron users with access to soft and tender X-ray beamline, while also developing new end-stations to promote EES research. This workshop is for new and current synchrotron users interested in increasing their skill sets. In this one-day workshop, we will focus on X-ray micro- and nano-probe beamlines with SEES support at ALS and SSRL: (1) ALS 5.3.2.2 (soft X-ray optimized STXM), (2) ALS COSMIC 7.0.1.2 (soft to tender X-rays with high spatial resolution by ptychography), (3) ALS 11.0.2.2 (soft to tender X-ray STXM with capability of characterizing magnetic properties), and (4) SSRL Beamline 14-3b (tender X-ray microprobe). The soft X-ray beamlines offer a energy range of 0.2 – 0.8 keV which enables the study of elemental composition and speciation of relatively light elements such as carbon, nitrogen, oxygen, and potassium which are essential elements for life. The tender X-ray beamlines provide an energy range of up to 5 keV, enabling the analysis of a wide range of major elements, trace metal nutrients and heavy metal contaminants. We will discuss the feasible elements to detect and the applications of image analysis and ptychography for Earth and environmental samples. We will also deliver a practical work-flow for beamline experiments, including proposal preparation, sample preparation (e.g., controlling thickness and concentration), general operation, and data analysis strategies. We will highlight examples of imaging and spectroscopic analysis of natural samples using multiple detection modes (multimodal analysis) and multiple instruments (correlative analysis). For example, we will share how to characterize metal-organic species from soils and marine environments using ALS nanoprobes. We will also include a tutorial on how to prepare multimodal samples and process the data to enhance compatibility between different beamlines. Combining different radiation sources and techniques at different beamlines is crucial for investigating geochemical processes involving interactions between organic compounds and transition metals, such as organo-mineral interaction, and biomineralization. This workshop will provide key information for new users on the use of X-ray microscopic and spectroscopic instruments, and suggest various pathways for sample characterization to experienced users in the field of environmental geochemistry. We look forward to your participation! Best regards, Kyounglim

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SCCM 2025 conference
by Andrew J. Campbell 11 Feb '25

11 Feb '25

Dear all, Please consider joining others in the static, dynamic, and shock high-pressure communities this year at the SCCM 2025<https://urldefense.us/v3/__https://engage.aps.org/gccm/meetings/biennial-20…>: 24th International Conference on the Science of Compression in Condensed Matter<https://urldefense.us/v3/__https://engage.aps.org/gccm/meetings/biennial-20…> (Washington DC, June 22-27). The abstract deadline for this meeting has been extended to February 14. Early career researchers: Please note also the SCCM Early Career and Student Symposium<https://urldefense.us/v3/__https://engage.aps.org/gccm/meetings/biennial-20… > on June 22 (flyer attached). SEES users might be interested especially in the following SCCM sessions and masterclasses organized by SEES staff: * 1b - Advances in static and dynamic high-pressure techniques and diagnostics (AETB) (Vitali Prakapenka & Jesse Smith) * 6b - Planetary and Exoplanetary Materials under Static Compression Conditions (GEOB) (Stella Chariton & Will Evans) * Masterclass - Introduction to Diamond Anvil Cells – theoretical and practical aspects (DAC) (Stas Sinogeikin, Stella Chariton & Vitali Prakapenka) * Masterclass - Recent developments in advanced synchrotron and optical probes (XRD) (Stella Chariton, Dongzhou Zhang & Vitali Prakapenka) Many more exciting sessions and classes can be found on the conference's website: https://urldefense.us/v3/__https://engage.aps.org/gccm/meetings/biennial-20… <https://urldefense.us/v3/__https://engage.aps.org/gccm/meetings/biennial-20…> SCCM is offering a limited number of Participation Grants<https://urldefense.us/v3/__https://engage.aps.org/gccm/meetings/biennial-20… > to help students and postdocs attend this year's meeting. The application deadline for these is March 7. Best wishes, Andy ---------------------------------- Andrew Campbell SEES Director University of Chicago ----------------------------------- [ECSS poster.png]

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call for abstract for session 9f / Goldschmidt 2025
by Kyounglim Kang 11 Feb '25

11 Feb '25

Dear Colleagues, We are pleased to invite you to submit an abstract to our session (*09f*) at Goldschmidt 2025. In this session we will explore the application of micro- and nanoscale imaging and spectroscopic techniques such as confocal Raman microscopy, scanning probe microscopy, and synchrotron-based methods to study complex biogeochemical processes, microbial interactions and mineral weathering. The submission deadline is 26 February 2025. Detailed information is provided below. Theme: Theme 09: Biogeochemical Cycles in Earth Systems Session Title: *09f Imaging and spectroscopic techniques for biogeochemistry, environmental and planetary sciences: from conventional to synchrotron-based microscopy techniques* Session Description: Micro and nanoscale imaging and spectroscopic analysis are critical for studying complex biogeochemical processes in fields of aquatic, terrestrial, and planetary sciences. Spatiotemporally sensitive measurements of microbial community dynamics, organo/microbe -mineral interfaces, and nanoscale mineral weathering processes in heterogeneous systems enable the decoupling of distinct biogeochemical reactions, allowing the investigation of relevant mechanisms. This session aims to advance our knowledge of using innovative imaging and spectroscopic techniques including confocal Raman microscopy, scanning probe microscopy, light-sheet fluorescence microscopy and synchrotron-based techniques (e.g., Scanning Transmission X-ray Microscopy (STXM), X-ray Fluorescence Microprobe (XFM), ptychography, X-ray Absorption Near Edge Structure (XANES)) to investigate biogeochemical reactions. We welcome contributions that: (1) utilize one or multiple imaging and spectroscopic techniques to study biogeochemical reactions; (2) employ novel experimental tools (e.g., microfluidics, correlative microscopy, in situ 3D imaging under cryo- or hydrated conditions, and bioreporters) to investigate microbial interactions; and (3) apply conventional and customized data analysis tools to interpret imaging results from across various analytical techniques. This session is supported by the “Synchrotron Earth and Environmental Science” (SEES) program funded by the National Science Foundation in the U.S., which aims to advance research and techniques that utilize synchrotron radiation facilities to Earth and Environmental studies. Best regards, Kyounglim

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scientist position at I07 beamline
by Joanne Stubbs 05 Feb '25

05 Feb '25

Please see job announcement forwarded below: From: Carla, Francesco (DLSLtd,RAL,SCI) <francesco.carla(a)diamond.ac.uk> Sent: Tuesday, February 4, 2025 9:57 AM To: Carla, Francesco (DLSLtd,RAL,SCI) <francesco.carla(a)diamond.ac.uk> Subject: scientist position at I07 beamline Hi, I'm writing to ask if you could kindly help us advertising a scientist position that we have recently opened at the I07 surface and interface diffraction beamline of Diamond Light Source (Oxford, UK). We are offering a permanent contract and we are looking for a motivated scientist with good experimental skills and the ability to conduct high quality original research. A background in surface x-ray diffraction/scattering techniques and surface/interface science (this could be UHV, electrochemistry, catalysis, material science, soft matter) is required. The selected candidate will have the opportunity of taking advantage of the unique capabilities of the I07 beamline to develop their own research activities and participate, being part of the upgrade plans related to the Diamond-II upgrade project and participate to the in-house research programme (mostly focused on the characterization surfaces/interfaces in-situ and in operando conditions using x-ray diffraction/scattering techniques and XAS). More information can be also found here: https://urldefense.us/v3/__https://vacancies.diamond.ac.uk/vacancy/beamline… Thank you for your help. With my best wishes, Francesco ------------------------------------------------------------------------- Francesco Carla', PhD Principal Beamline Scientist I07 - Surface and Interface Diffraction Beamline Diamond Light Source Ltd Diamond House Harwell Science & Innovation Campus Didcot Oxfordshire OX11 0DE Tel: +44 (0) 1235 778023 Email: francesco.carla(a)diamond.ac.uk<mailto:francesco.carla@diamond.ac.uk> This e-mail and any attachments may contain confidential, copyright and or privileged material, and are for the use of the intended addressee only. If you are not the intended addressee or an authorised recipient of the addressee please notify us of receipt by returning the e-mail and do not use, copy, retain, distribute or disclose the information in or attached to the e-mail. Any opinions expressed within this e-mail are those of the individual and not necessarily of Diamond Light Source Ltd. Diamond Light Source Ltd. cannot guarantee that this e-mail or any attachments are free from viruses and we cannot accept liability for any damage which you may sustain as a result of software viruses which may be transmitted in or with the message. Diamond Light Source Limited (company no. 4375679). Registered in England and Wales with its registered office at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom.

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Interior of the Earth - Gordon Research Conference
by Vasilije Dobrosavljevic 03 Feb '25

03 Feb '25

We would like to draw your attention to the Interior of the Earth Gordon Research Conference and Gordon Research Seminar which will take place in June 2025. The 2025 Interior of the Earth Gordon Research Conference (GRC) will be held on June 22-27 at Mount Holyoke College (South Hadley, Massachusetts, US). Our meeting theme is Volatiles, Melt and Viscosity: Consequences for Mantle Evolution and Climate System Interactions. Researchers at all career stages are encouraged to participate. The 2025 GRC will focus on volatiles, mantle melting processes, mantle viscosity and their consequences for the dynamics and evolution of the Earth’s interior and its interactions with the climate system. The meeting will explore the distribution of volatiles inside the Earth; their impacts on the production of partial melt and on mantle rheology; and their roles in the plate tectonic system (including volatile cycling in subduction zones), volcanic processes, metasomatic alteration of the lithosphere, mantle convection, and the evolution of Earth’s interior since its formation. We will also examine the processes that dominate the cycling of volatiles between the Earth’s interior and the atmosphere, both in the recent plate tectonic regime and billions of years ago. Another key topic is the role of mantle viscosity in determining the solid Earth response to the changing mass loads of ice sheets and sea-level. The 2025 Interior of the Earth GRC will explore the latest developments in understanding these fascinating and interwoven processes by integrating wide-ranging perspectives, including geochemistry, petrology, geodynamics, seismology, geodesy, magnetotellurics, rock deformation, mineral physics, paleomagnetism, geology, and more. We have a terrific international line-up of speakers and discussion leaders for morning and evening plenary sessions, which will include ample time for discussion. Everyone will have the chance to present their work in highly interactive poster sessions. Unscheduled afternoon time will provide opportunities for informal discussions that can lead to new collaborations and projects. The small meeting size (typically 130-140 people) will help to create a sense of community and enhance interactions between scientists from all career stages. For the GRC meeting program and how to apply, please visit this page: https://urldefense.us/v3/__https://www.grc.org/interior-of-the-earth-confer… . *Early Career Researchers:* The 2025 Interior of the Earth Gordon Research Seminar (GRS) will be held on June 21-22, also at Mount Holyoke College, and its theme is Coupled Surface-Interior Interactions: The Role of Volatiles in Subduction and Eruption Processes. The GRS is intended primarily for graduate students and post-doctoral researchers, and provides a unique forum for early career researchers to present their work and to build collaborative relationships with their peers. The GRS will include a keynote lecture, talks selected from submitted abstracts, vibrant poster sessions, and a panel on science communication approaches and careers. For the GRS meeting program and how to apply, please visit this page: https://urldefense.us/v3/__https://www.grc.org/interior-of-the-earth-grs-co… . *If you wish to be considered for a talk at the GRS, please submit your GRS abstract by March 16, 2025. * Note that you need to apply to the GRC and GRS meetings separately, and to present your work you need to submit an abstract to each as well. GRC registration fees include housing in a dormitory on campus at Mount Holyoke (single or double rooms) and all meals during the five days of the conference. GRS registration fees cover similar lodging and meals for an additional 1.5 days. Thanks to the NSF Earth Sciences Division, financial support is available to cover registration fees for many of the grad student and post-doctoral attendees who participate in the 2025 GRC and GRS. Grad students and post-docs may apply for financial support using this form: https://urldefense.us/v3/__https://forms.gle/2AE9sbkCZefcjjwJ7__;!!G_uCfscf… . *For full consideration, please apply by March 16.* Financial assistance is also available for eligible participants through the Gordon Research Conference Carl Storm Underrepresented Minority Fellowship Program, which is open to graduate students, postdocs, faculty and scientists who will be attending their first GRC meeting. This program is administered by the Gordon Research Conference organization: https://urldefense.us/v3/__https://www.grc.org/carl-storm-underrepresented-… . Please feel free to forward this message to students and colleagues who may be interested, and to contact us directly with any questions. We hope to see you at Mount Holyoke in June! Best regards, Karen Fischer, Interior of the Earth GRC Chair (Brown University, Karen_Fischer(a)brown.edu) Jennifer Jackson, Interior of the Earth GRC Vice-Chair (Caltech, jacksonj(a)caltech.edu) Vasilije Dobrosavljevic, Interior of the Earth GRS Co-Chair (Carnegie Institution for Science, vasilije(a)carnegiescience.edu) Heidi Krauss, Interior of the Earth GRS Co-Chair (Michigan State University, Heidi.N.Krauss(a)gmail.com)

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