Rheology of Earth Materials :
Closing the gap between timescales in the laboratory and in the mantle

Previous speakers

Colin OPHUS

(Lawrence Berkeley National Laboratory, California, United States)

Analyzing atomic-scale structure and deformation using 4D-STEM (Video)

Monday 23 May 2022

To learn more: Ophus (2019) Microscopy and Microanalysis

Abstract

Moderator: H. Idrissi

Ian W CHESSER

(George Mason University, Fairfax, VA 22030)

An atomistic perspective on interface diffusion and migration mechanisms

Thursday 28 April 2022

To learn more: Chesser et al. (2021) Acta Materialia 210 & 222

Abstract

Moderator: P. Carrez

Julien GUÉNOLÉ

(LEM3 – Université de Lorraine – CNRS – Arts et Métiers ParisTech, Metz, France)

Atomistic Aspects of the Plasticity in Complex Intermetallics

To learn more: Guénolé et al. (2019) Scripta Materialia, Guénolé et al. (2021) Mater. & Design, Xie et al. (2021) J. Mater. Res., Guénolé et al. (2022) Scripta Materialia

Abstract

Thursday 24 March 2022

Moderator: P. Hirel

Satoshi HATA

Department of Advanced Materials Science, Kyushu University, Fukuoka 816-8580, Japan

The Ultramicroscopy Research Center, Kyushu University, Fukuoka 819-0395, Japan

Toward 3D visualization of dislocation dynamics under deformation using transmission electron microscopy

To learn more: Zhao et al. (2021) Scientific Reports, Petersen et al. (2022) Ultramicroscopy

Abstract

Thursday 24 February 2022

Moderator: A. Mussi

Oliver TSCHAUNER

(University of Nevada in Las Vegas)

High-pressure minerals as inclusions in diamonds

To learn more: Tschauner et al. (2021) Science

Abstract

3 February 2022

Moderator: S. Demouchy

Jie DENG

(University of California, Los Angeles)

Machine learning silicate systems at extreme conditions

To learn more: Deng & Stixrude (2021) Geophysical Research Letters

Abstract

20 January 2022

Moderator: P. Carrez

Haofei ZHOU

(Center for X-mechanics, Department of Engineering mechanics, Zhejiang University)

Nanotwin-mediated deformation in metals

To learn more:  Zhu et al. (2021) Science Advances; Zhu et al. (2020) Nature Communications; Cheng et al. (2018) Science; Pan et al. (2017) Nature ; Zhou et al. (2014) Nano Letters

Abstract

Thursday 6 January 2022

Moderator: P. Cordier

Yuichi IKUHARA

(The University of Tokyo & Nanostructures Res. Lab., Japan Fine Ceramics Center, Nagoya & Tohoku University, Sendai, Japan)

Atomistic Dynamics of Deformation, Fracture and GB Migration in Oxides

To learn more: Wei et al. (2021) Nature Materials

Abstract

Thursday 16 December 2021

Moderator: H. Idrissi

Gregory S. ROHRER

(Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, USA)

New Perspectives on Grain Boundary Migration in Polycrystals

Abstract

Tuesday 16 November 2021

Moderator: A. Kashiwar

Timothy J. RUPERT

(Department of Materials Science and Engineering, University of California, Irvine, USA)

Using a typically brittle structure to toughen nanocrystalline metals

Abstract

Thursday 28 October 2021

Moderator: P. Cordier

Jonathan AMODEO

(MATEIS laboratory, Villeurbanne, France & IM2NP laboratory, Aix-Marseille University, France)

On the influence of shape and nanostructure on the mechanics of nanoparticles

To learn more: Amodeo & Pizzagalli (2021) Comptes Rendus Physique

Abstract

Thursday 14 October 2021

Moderator: P. Carrez

Roger A. DE SOUZA

Institute of Physical Chemistry, RWTH Aachen University, Aachen, Germany

Unusual aspects of ion migration in perovskites

To learn more: Heelweg & De Souza (2021) Phys. Rev. Materials; Parras et al. (2021) J. Am. Ceram. Soc.Parras & De Souza (2020) Acta Mat.; De Souza (2017) J. Mater. Chem.; Waldow & De Souza (2016); Ramadan et al; (2016) Acta Mat.; Metlenko et al. (2014) Nanoscale;

Abstract

Thursday 30 September 2021

Moderator: P. Carrez

Andrew M. MINOR

(University of California, Berkeley)

Elimination of oxygen sensitivity in α-titanium

To learn more: O in Titanium:  Zhang et al. (2019) Science Advances; Chong et al. (2020) Science Advances; Chong et al. (2021) Nature Communications;

Electroplastic effect: Zhao et al. (2021) Nature Communications;

Nanotwinned Ti: Zhao et al. (2021) Science

4D-STEM: Zeltmann et al. (2020) Ultramicroscopy;

Abstract

Thursday 9 September 2021

Moderator: Hosni Idrissi

Izabela SZLUFARSKA

(Department of Materials Science & Engineering, University of Wisconsin – Madison, USA)

Fracture behavior of metal-ceramic and metal-metal nanolaminates

To learn more: Luo et al. (2019) Nature Comm. - Luo et al. (2020) Materials Sci. & Eng. - Wei et al. (2021) - Shi & Szlufarska (2020) - Shi & Szlufarska (2021)

Abstract

Thursday 24 June 2021

Moderator: P. Cordier

Jon MOLINA-ALDAREGUIA

(IMDEA Materiales Institute, Madrid, Spain)

Fracture behavior of metal-ceramic and metal-metal nanolaminates

Abstract

Thursday 10 June 2021

Moderator: A. Pip

Chris J. MARONE

(La Sapienza Università di Roma & Pennsylvania State University)

Friction laws for slow earthquakes and the spectrum of fault slip behaviors

To learn more: Im et al. (2020) Nature Geoscience 13, 705–710. https://doi.org/10.1038/s41561-020-0627-9

Abstract

Thursday 20 May 2021

Moderator: H. Rattez

Federica COPPARI

(Lawrence Livermore National Laboratory, Livermore, CA)

Terapascal laser-compression and X-ray diffraction experiments to understand material behavior deep inside planets

To learn more: Coppari et al. (2013) Nature Geoscience 6, 926. https://doi.org/10.1038/ngeo1948

Coppari et al. (2021) Nature Geoscience 14, 121. https://doi.org/10.1038/s41561-020-00684-y

Abstract

Tuesday 11 May 2021

Moderator: P. Cordier

Jiangwei WANG

(Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, PR. China)

Grain boundary dominated plasticity in metallic nanomaterials

To learn more: Zhu et al. (2019) Nat. Commun. 10, 156. https://doi.org/10.1038/s41467-018-08031-x

Zhu et al. (2020) Nat. Commun. 11, 3100 https://doi.org/10.1038/s41467-020-16869-3

Zhu et al. (2020) Acta Mater. 199, 42-52 https://doi.org/10.1016/j.actamat.2020.08.021

Abstract

Thursday 15 April 2021

Moderator: H. Idrissi

Xavier MAEDER

(Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Thun, Switzerland)

In-situ and 3D HR-EBSD techniques to assess deformation mechanism of materials at small scale

To learn more: Della Ventura et al. (2021) Materials & Design 197, 109206. https://doi.org/10.1016/j.matdes.2020.109206

Kalácska et al. (2020) Acta Materialia 200, 211-222 https://doi.org/10.1016/j.actamat.2020.09.009

Abstract

Thursday 1st April 2021

Moderator: P. Baral

Jin-Yu ZHANG

清华大学材料学院

(School of Materials Science and Engineering, Tsinghua University Beijing 100084, P.R.CHINA)

A simple method for constructing a reliable initial atomic configuration of a general interface and dislocations

Abstract

Thursday 18 March 2021

Moderator: P. Carrez

David RICHARD

(Institute for Theoretical Physics, University of Amsterdam)

Comparison of computational methodologies for predicting plastic activity in amorphous materials

Abstract

To learn more: Richard et al. (2020) Phys. Rev. Materials 4, 113609 https://doi.org/10.1103/PhysRevMaterials.4.113609

Richard et al. (2021) Phys. Rev. Letters 126, 015501 https://doi.org/10.1103/PhysRevLett.126.015501

Thursday 4 March 2021

Moderator: P. Cordier

Khalid HATTAR

(Sandia National Laboratories)

Exploring Materials Response to Extreme Environments via In-situ TEM

Abstract

Thursday 18 February 2021

Moderator: H. Idrissi

Alexandra M. GORYAEVA

(Groupe de Physique des Matériaux, Université de Rouen, France)

Reinforcing materials modelling by encoding the structures of defects in crystalline solids into distortions cores

Abstract

To learn more:  Goryaeva et al. (2020) Nature Comm. 11: 4691. https://doi.org/10.1038/s41467-020-18282-2

Monday February 1st, 2021

Moderator: P. Carrez

Julien LAM

(CEMES, CNRS, Toulouse, France)

The Φ-LassoLars method to construct Machine-learning interaction potentials

Abstract

Monday January 18, 2021

Moderator: P. Hirel

Kongtao CHEN

(University of Pennsylvania, USA)

Grain Boundary Mobility Tensor and Topological Phase Transitions

Abstract

To learn more: Chen et al. (2020) The grain boundary mobility tensor. PNAS 117 (9) 4533-4538 - Chen et al. (2020) Grain-boundary topological phase transitions. PNAS 117 (52) 33077-33083

Thursday January 7, 2021

Moderator: P. Cordier

Yolita EGGELER

(Laboratory for Electron Microscopy, KIT, Germany)

Exploring Magnetic Phenomena on the Nanoscale of Functional Materials Using Analytical In Situ Transmission Electron Microscopy

Abstract

Thursday December 17 2020

Moderator: H. Idrissi

Hadas STERNLICHT

(Brown University, Providence, Rhode Island, USA)

Disconnections and the Mechanism of Grain Growth

Abstract

To learn more: links to selected papers here

Thursday December 3 2020

Moderator: P. Cordier

Søren SØRENSEN

(Department of Chemistry and Bioscience, Aalborg University, Denmark)

Topological data analysis as a tool to analyze the structure of amorphous materials

Abstract

to learn more: Sørensen et al. (2020) Science Advance 6 : eabc2320

Thursday November 19 2020

Moderator: P. Cordier

Dan MORDEHAI

(Faculty of Mechanical Engineering, Technion, Israel)

Studying Plasticity from the Atomic Scale – Transferring Information between Scales

Abstract

Tuesday November 3, 2020

Moderator: P. Carrez

Gerhard DEHM

(Max-Planck-Institut für Eisenforschung GmbH)

Resolving grain boundary phase transformations in copper by advanced STEM

Abstract

To learn more: Meiners et al. (2020) Nature 579, 375–378

Thursday October 22, 2020

Moderator: H. Idrissi

Sebastian RITTERBEX

(Geodynamics Research Center, Ehime University, Japan)

Does Earth’s inner core oscillate and translate anomalously ?

Abstract

To learn more: Ritterbex & Tsuchiya (2020) Scientific Reports10, 6311

Tuesday October 13 2020

Moderator: P. Carrez

Dipta GHOSH

(Louisiana State University, USA)

Water at the grain boundary interface: Insights from first-principles simulations

Abstract

Monday September 28 2020

Moderator: P. Carrez

Eita TOCHIGI

(Institute of Engineering Innovation, The University of Tokyo, Japan)

TEM investigation of dislocation structures and twinning behavior in oxide crystals

Abstract

Thursday September 10 2020

Moderator: H. Idrissi

Zongqiang FENG

(Chongqing University, China)

Tomographic crystallography of dislocations in metals

Abstract

Work with Rui Fu, Guilin Wu, Xiaoxu Huang

Friday August 28 2020

Moderator: P. Cordier