Pair Distribution Function from Liquid Jet Nanoparticle Suspension using Femtosecond X‐ray Pulses

Author:

Støckler Lise Joost1,Christensen Rasmus Stubkjær1ORCID,Kløve Magnus1ORCID,Bertelsen Andreas Dueholm1ORCID,Borup Anders Bæk1ORCID,Krause Lennard1ORCID,Takahashi Seiya2,Fujita Tomoki12ORCID,Kasai Hidetaka2ORCID,Inoue Ichiro3,Nishibori Eiji2ORCID,Iversen Bo Brummerstedt1ORCID

Affiliation:

1. Center for Integrated Materials Research Department of Chemistry and iNANO Aarhus University Langelandsgade 140 Aarhus 8000 Denmark

2. Department of Physics Faculty of Pure and Applied Sciences and TREMS University of Tsukuba 1-1-1, Tennodai Tsukuba Ibaraki 305-8571 Japan

3. RIKEN SPring-8 Center 1-1-1, Kouto Sayo-cho, Sayo-gun Hyogo 679-5148 Japan

Abstract

AbstractX‐ray scattering data measured on femtosecond timescales at the SACLA X‐ray Free Electron Laser (XFEL) facility on a suspension of HfO2 nanoparticles in a liquid jet were used for pair distribution function (PDF) analysis. Despite a non‐optimal experimental setup resulting in a modest Qmax of ~8 Å−1, a promising PDF was obtained. The main features were reproduced when comparing the XFEL PDF to a PDF obtained from data measured at the PETRA III synchrotron light source. Refining structural parameters such as unit cell dimension and particle size from the XFEL PDF provided reliable values. Although the reachable Qmax limited the obtainable information, the present results indicate that good quality PDFs can be obtained on femtosecond timescales if the experimental conditions are further optimized. The study therefore encourages a new direction in ultrafast structural science where structural features of amorphous and disordered systems can be studied.

Funder

Villum Fonden

Publisher

Wiley

Subject

Physical and Theoretical Chemistry,Atomic and Molecular Physics, and Optics

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