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Best Poster Award at the Large Scientific Facility User Meeting 2024

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In August 2024, we attended the 2024 Joint User Meeting of the Hefei Synchrotron and China Spallation Neutron Source in Lanzhou, Gansu Province. This is the first time a joint domestic user meeting between large scientific facilities has been held, aimed at discussing and sharing the latest research progress in large scientific facilities.

Beamtime at the SPring-8 Synchrotron in Japan

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In July 2024, our group members performed the synchrotron x-ray experiments at the Spring-8 in Japan. It has the highest beam energy (8 GeV). In addition, we visited the SACLA facility in the campus, which was opened in 2012 and became the second x-ray free-electron laser facility in the world. It generates an x-ray laser beam boasting the shortest wavelength in the world.

Undergraduate Group Member Graduation

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In June 2024, our group member Jie Dong finished his undergraduate thesis defense about Material Structure Prediction Model Based on Evolutionary Algorithms, and was elected as one of the best theses in his department.

Beamtime at the CSNS Neutron Source

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In June 2024, we carried out neutron PDF experiments at the China Spallation Neutron Source (CSNS). CSNS is one of the latest built spallation neutron sources over the world. Neutron diffraction experiments can provide unique structural information of advanced materials, which is highly complementary to the x-ray technique.

2024 Shanghai XFEL Forum

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On June 7, 2024, we attended the 2024 SHINE Forum in ShanghaiTech University. The SHINE (Shanghai HIgh repetitioN rate XFEL and Extreme light facility) is a high rep-rate XFEL large scientific facility including an 8 GeV CW superconducting RF Linac, 3 undulator lines, 3 X-ray beamlines and 10 experimental stations, together with a 100 PW super-intense laser. Once built, it will be one of the most advanced user facilities that can deliver femtosecond X-ray pulses from 0.4 to 25 keV with up to a million pulses per second.

The National Gold Medal in the 2024 Youth Innovation Competition

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On May 29, 2024, the National Finals of the 2024 Youth Innovation Competition, initiated by DuPont China and co-hosted by the Shanghai Association for Science and Technology, were held at the Shanghai Science Hall. The project team “Material Pathways - Semiconductor Material Structure Prediction Scheme Based on High-Throughput Computing,” consisting of our group members Qiao Hai, Zhou Jie, and Xiao Zuke, won the gold medal (the first place) in the national finals of the 2024 Youth Innovation Competition.

The Croucher Summer Course on Neutron Scattering 2023

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In August 2023, Prof. Long Yang and Ph.D. student Changyuan Li attended the Croucher Summer Course on Neutron Scattering 2023 at the City University of Hong Kong, and Professor Yang Long attended as a tutor.

Beamtime at the SPring-8 Synchrotron in Japan

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In July 2023, Prof. Long Yang and Ph.D. student Changyuan Li conducted high-energy x-ray PDF experiments at synchrotron radiation facility Spring-8 in Japan. SPring-8 is located in Harima Science Garden City, Hyogo Prefecture, the center of the Japanese archipelago. The output power of the facility is 8 GeV, which is the largest third-generation synchrotron with the highest beam energy over the world.

Beamtime at the SSRF Synchrotron

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In April 2023, our group members carried out x-ray PDF experiments at the Shanghai Synchrotron Radiation Facility (SSRF) in China. SSRF is located in Shanghai, which is the first third-generation synchrotron in China.

Beamtime at the CSNS Neutron Source

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In March 2023, we carried out neutron total scattering experiments at the spallation neutron source facility CSNS (China Spallation Neutron Source) in China. CSNS is located in Dongguan, Guangdong. It is the one of four spallation neutron sources over the world, which can provide intense neutron sources for physical, chemical, and material experiments.

portfolio

publications

Scalable Synthesis of Ultrathin Mntextsubscript3Ntextsubscript2 Exhibiting Room-Temperature Antiferromagnetism

Published in Advanced Functional Materials, 2019

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Recommended citation: Xu Xiao, Patrick Urbankowski, Kanit Hantanasirisakul, Yao Yang, Stephen Sasaki, Long Yang, Chi Chen, Hao Wang, Ling Miao, Sarah Tolbert, Simon Billinge, H{\'e}ctor Abru{\~n}a, Steven May, Yury Gogotsi, "Scalable Synthesis of Ultrathin Mntextsubscript3Ntextsubscript2 Exhibiting Room-Temperature Antiferromagnetism." Advanced Functional Materials, 2019.

Two-Dimensional Arrays of Transition Metal Nitride Nanocrystals

Published in Advanced Materials, 2019

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Recommended citation: Xu Xiao, Hao Wang, Weizhai Bao, Patrick Urbankowski, Long Yang, Yao Yang, Kathleen Maleski, Linfan Cui, Simon Billinge, Guoxiu Wang, Yury Gogotsi, "Two-Dimensional Arrays of Transition Metal Nitride Nanocrystals." Advanced Materials, 2019.

Structure-Mining: Screening Structure Models by Automated Fitting to the Atomic Pair Distribution Function over Large Numbers of Models

Published in Acta Crystallographica Section A: Foundations and Advances, 2020

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Recommended citation: L. Yang, P. Juh{\'a}s, M. Terban, M. Tucker, S. Billinge, "Structure-Mining: Screening Structure Models by Automated Fitting to the Atomic Pair Distribution Function over Large Numbers of Models." Acta Crystallographica Section A: Foundations and Advances, 2020.

A Cloud Platform for Atomic Pair Distribution Function Analysis: PDFitc

Published in Acta Crystallographica Section A: Foundations and Advances, 2021

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Recommended citation: Long Yang, Elizabeth Culbertson, Nancy Thomas, Hung Vuong, Emil Kj{\ae}r, Kirsten Jensen, Matthew Tucker, Simon Billinge, "A Cloud Platform for Atomic Pair Distribution Function Analysis: PDFitc." Acta Crystallographica Section A: Foundations and Advances, 2021.

Local Structure Determination Using Total Scattering Data

Published in In the proceedings of Reference Module in Chemistry, Molecular Sciences and Chemical Engineering, 2021

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Recommended citation: Simon Billinge, Sandra Skj{\ae}rv{\o}, Maxwell Terban, Songsheng Tao, Long Yang, Yevgeny Rakita, Benjamin Frandsen, "Local Structure Determination Using Total Scattering Data." In the proceedings of Reference Module in Chemistry, Molecular Sciences and Chemical Engineering, 2021.

nmfMapping: A Cloud-Based Web Application for Non-Negative Matrix Factorization of Powder Diffraction and Pair Distribution Function Datasets

Published in Acta Crystallographica Section A: Foundations and Advances, 2022

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Recommended citation: Z. Thatcher, C.-H. Liu, L. Yang, B. McBride, G. Thinh, A. Wustrow, M. Karlsen, J. Neilson, D. Ravnsb{\ae}k, S. Billinge, "nmfMapping: A Cloud-Based Web Application for Non-Negative Matrix Factorization of Powder Diffraction and Pair Distribution Function Datasets." Acta Crystallographica Section A: Foundations and Advances, 2022.

talks

teaching

ADvanced DIffraction Environment

Software

ADvanced DIffraction Environment (ADDIE) is a cloud-based comprehensive platform for hosting tools for neutron powder diffraction experimental planning, automatic Bragg and pair distribution function refinement, etc. It also includes useful tools for both diffraction and total scattering experiments, specifically designed for instruments at the Spallation Neutron Source (SNS) and High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory.

REal Space Iterative Reconstruction

Software

REal Space Iterative Reconstruction (RESIRE) is an advanced algorithm for reconstructing a 3D object from a set of 2D projections, i.e., tomography. It iterates between the update of a reconstructed 3D object and the measured projections using a forward and back projection step, resulting in ultrahigh real-space atomic resolution. The source codes are available in the following link.

PDF In The Cloud

Software

PDF In The Cloud (PDFitc) is a cloud-based platform for pair distribution function (PDF) data analysis. PDF analysis is used to study the local atomic and magnetic structure of materials being developed and used in advanced applications such as high energy density batteries, solar fuel conversion, catalysis, electronics, and many other high tech applications.