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X-ray spectroscopy

Premiere study of iron Sikhote-Alin meteorite by XAFS


  • Mr. Fedor DARIN

Primary authors



This work is devoted to present of premiere results of the study of microparticles of the Sikhote-Alin iron meteorite by XAFS spectroscopy method. All XAFS (Ni-, Fe- K edges) spectra, using µ- and standard modes, of the microparticles and reference samples were recorded both on experimental module X-ray Confocal Microscopy situated on NRC “Kurchatov Institute” (Moscow) and at XRF-, EXAFS- stations of Siberian Synchrotron Terahertz Radiation Center (SSTRC, Novosibirsk). Some changes of the phase compositions and local structure arrangements of the studied microparticle samples were characterized in detail. The interatomic distances and corresponded coordination numbers were revealed. All possible structural models were discussed. Additionally, morphology and composition of the microparticlesamples were studied by the SEM, EDX and XRF methods. This work was conducted within the framework of SB RAS program II.1 (project 0303-2018-0010, АААА-А17-117112840087-0)