Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Please note that all times are shown in the time zone of the conference. The current conference time is: 6th Dec 2022, 02:57:04am CET

Session Overview
MS-71a: Disordered materials: spectroscopic and scattering techniques I
Thursday, 19/Aug/2021:
2:45pm - 5:10pm

Session Chair: Simon Billinge
Session Chair: Angela Trapananti
Location: Terrace 2A

130 2nd floor

Invited: Takeshi Egami (USA), Shinya Hosokawa (Japan)

Session Abstract

Three important classes of disordered materials are liquids, glasses and nanomaterials. Liquids have no long range order, but display localcorrelations and order between molecules. Similarly glasses are not crystalline materials, i.e. they are solids without long range order, but still with local order between atoms. Nanomaterials have short range order on the nanoscale. The short range sensitivity of XAS makes it ideal to study such materials and in total scattering analysis the weak diffuse features are related to the short and medium range order. This MS aims at highlighting strengths and limitations as well as the complementarity of spectroscopic and scattering techniques to understand the structural correlations on the atomic and molecular scale underpinning the macroscopic properties of disordered and nanostructured materials.

For all abstracts of the session as prepared for Acta Crystallographica see PDF in Introduction, or individual abstracts below.

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2:45pm - 2:50pm

Introduction to session

Simon Billinge, Angela Trapananti

2:50pm - 3:20pm

What does the structure of liquid mean?

Takeshi Egami1,2

1University of Tennessee, Knoxville, United States of America; 2Oak Ridge National Laboratory, Oak Ridge, United States of America

3:20pm - 3:50pm

Hyper-ordered structures and glass-forming abilities of Pd-based metallic glasses

Shinya Hosokawa

Kumamoto University, Kumamoto, Japan

3:50pm - 4:10pm

Introducing the Pair-Angle Distribution Function: many-atom statistics of crystals and disordered materials

Andrew V. Martin1, Jack Binns1, Patrick Adams1, Tamar L. Greaves1, Connie Darmanin2

1RMIT University, Melbourne, Australia; 2ARC Centre of Excellence for Advanced Molecular Imaging, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, 3086, Australia.

4:10pm - 4:30pm

Group 13 precursor structures and their effect on oxide nanocrystal formation

Ida Gjerlevsen Nielsen, Sanna Sommer, Bo Brummerstedt Iversen

Center for Materials Crystallography, Department of Chemistry and iNano, Aarhus University, Aarhus C, Denmark

4:30pm - 4:50pm

Extracting local symmetry of liquid metals from extended x-ray absorption fine structure using deep neural network

Fabio Iesari1, Hiroyuki Setoyama2, Toshihiro Okajima1

1Aichi Synchrotron Radiation Center (Seto, Aichi, Japan); 2Kyushu Synchrotron Light Research Center (Tosu, Saga, Japan)

4:50pm - 5:10pm

Disorder and dynamics of free and caged molecules in crystals

Guanqun Cai1, Franz Demmel2, Richard Dixey1, Bernet E. Meijer1, Shurong Yuan1, Helen C. Walker2, Anthony E. Phillips1

1Queen Mary University of London, London, United Kingdom; 2ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Harwell Oxford OX11 0QX, United Kingdom

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