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The authors acknowledge funding provided by the Institute of Physics Belgrade, through a grant from the Ministry of Education, Science and Technological Development of the Republic of Serbia, Project F-134 of the Serbian Academy of Sciences and Arts, and the Science Fund of the Republic of Serbia, PROMIS, 6062656, StrainedFeSC. DFT calculations were performed using computational resources at Johannes Kepler University (Linz, Austria). Materials synthesis was supported by the U.S. DOE-BES, Division of Materials Science and Engineering, under Contract DE-SC0012704 (BNL). This research used beamline 28-ID-1 of National Synchrotron Light Source II, a U.S. DOE Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory under Contract DE-S.

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Short-Range Order in VI3

Publicado en:INORGANIC CHEMISTRY. 59 (22): 16265-16271 - 2020-11-16 59(22), DOI: 10.1021/acs.inorgchem.0c02060

Autores: Mijin, Sanja Djurdjic; Abeykoon, A. M. Milinda; Solajic, Andrijana; Milosavljevic, Ana; Pesic, Jelena; Liu, Yu; Petrovic, Cedomir; Popovic, Zoran, V; Lazarevic, Nenad;

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Resumen

We present a detailed investigation of the crystal structure of VI3, a two-dimensional van der Waals material of interest for studies of low-dimensional magnetism. As opposed to the average crystal structure that features R (3) over bar symmetry of the unit cell, our Raman scattering and X-ray atomic pair distribution function analysis supported by density functional theory calculations point to the coexistence of short-range ordered P (3) over bar 1c and long-range ordered R (3) over bar phases. The highest-intensity peak, A(1g)(3), exhibits a moderate asymmetry that might be traced back to the spin-phonon interactions, as in the case of CrI3.

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