Application of complex studies of test samples for the implementation of combined SR methods for the study of micro-objects

13 Jul 2020, 21:11
Poster X-ray spectroscopy Poster Session


Dr Vladimir Kriventsov


This work shows the results of the study of trial test samples of technological and natural origin, and using a complex composition for the development of combined methods based on synchrotron radiation (SR), such as μ-XANES/EXAFS, μ-XRF, and others. Main goal of the study is to adapt the developed integrated approach for the study of micro-inclusions and microparticles by SR methods in the near future. All the spectra of the studied samples were recorded using standard methods, both at the experimental module of x-ray confocal microscopy located at NRC “Kurchatov Institute” (Moscow) and at XRF-, EXAFS- stations of Siberian Synchrotron Terahertz Radiation Center (SSTRC, Novosibirsk).
The studied test samples with a complex composition (such as low-percentage metal oxide nanocomposites, nanoalloys, and samples of natural origin) were synthesized and/or selected from existing collections. Test samples and benchmarks necessary for testing and developing SR techniques were studied by a set of methods (μ-XANES/EXAFS, μ-XRF, XAFS, XRF, HRTEM, XPS, SEM, EDX, etc.). New information about phase and element compositions, atomic structure, morphology, and structural parameters was obtained for the test systems under study. The data obtained by all the methods are in a good agreement. The possibilities of the proposed approach for the study of microparticles and micro-inclusions of complex composition by methods implemented using synchrotron radiation are demonstrated.
The work was carried out in the framework of the RFBR projects no. 19-05-50046, 18-03-01251. The work was done at the shared research center SSTRC on the basis of the Novosibirsk FEL/VEPP-4-VEPP-2000 complex at BINP SB RAS, using equipment supported by project RFMEFI62119X0022.

Primary authors

Dr Vladimir Kriventsov Fedor Darin (Budker Institute of Nuclear Physics SB RAS) Mr Dmitry Sorokoletov Dr Iakov Rakshun Andrey Darin (Sobolev Institute of Geology and Mineralogy SB RAS)

Presentation Materials