Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K
Structural features of new mixed bismuth-containing samarium iron–aluminium borate single crystals Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3&l...
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2023-07-01
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| author | Ekaterina S. Smirnova Olga A. Alekseeva Vladimir V. Artemov Timofei A. Sorokin Dmitry N. Khmelenin Ekaterina V. Sidorova Kirill V. Frolov Irina A. Gudim |
| author_facet | Ekaterina S. Smirnova Olga A. Alekseeva Vladimir V. Artemov Timofei A. Sorokin Dmitry N. Khmelenin Ekaterina V. Sidorova Kirill V. Frolov Irina A. Gudim |
| author_sort | Ekaterina S. Smirnova |
| collection | DOAJ |
| description | Structural features of new mixed bismuth-containing samarium iron–aluminium borate single crystals Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) were studied using X-ray diffraction analysis based on aluminium content and temperature in the range 25–500 K. The crystals were grown using the solution-in-melt technique with Bi<sub>2</sub>Mo<sub>3</sub>O<sub>12</sub> in a flux. The composition of the single crystals was analyzed using energy-dispersive X-ray fluorescence and energy-dispersive X-ray elemental analysis. Temperature dependencies of Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> unit-cell parameters were studied. Negative thermal expansion was identified below 100 K and represented by characteristic surfaces of the thermal expansion tensor. (Sm,Bi)–O, (Sm,Bi)–(Fe,Al), (Fe,Al)–(Fe,Al), and (Fe,Al)–O interatomic distances decreased with the addition of aluminium atoms. An increase in the (Fe,Al)–(Fe,Al) intrachain bond length at low temperatures in the magnetically ordered state weakened this bond, whereas a decrease in the (Fe,Al)–(Fe,Al) interchain distance strengthened super-exchange paths between different chains. It was found that the addition of aluminium atoms influenced interatomic distances in Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> much more than lowering the temperature from 293 K to 25 K. The effect of aluminium doping on magnetoelectric properties and structural symmetry of rare-earth iron borates is also discussed. |
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| spelling | doaj.art-341a7c99eb5f467bb4551b66e2b78b492023-11-18T18:54:53ZengMDPI AGCrystals2073-43522023-07-01137112810.3390/cryst13071128Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 KEkaterina S. Smirnova0Olga A. Alekseeva1Vladimir V. Artemov2Timofei A. Sorokin3Dmitry N. Khmelenin4Ekaterina V. Sidorova5Kirill V. Frolov6Irina A. Gudim7Shubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, Moscow 119333, RussiaKirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, RussiaStructural features of new mixed bismuth-containing samarium iron–aluminium borate single crystals Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) were studied using X-ray diffraction analysis based on aluminium content and temperature in the range 25–500 K. The crystals were grown using the solution-in-melt technique with Bi<sub>2</sub>Mo<sub>3</sub>O<sub>12</sub> in a flux. The composition of the single crystals was analyzed using energy-dispersive X-ray fluorescence and energy-dispersive X-ray elemental analysis. Temperature dependencies of Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> unit-cell parameters were studied. Negative thermal expansion was identified below 100 K and represented by characteristic surfaces of the thermal expansion tensor. (Sm,Bi)–O, (Sm,Bi)–(Fe,Al), (Fe,Al)–(Fe,Al), and (Fe,Al)–O interatomic distances decreased with the addition of aluminium atoms. An increase in the (Fe,Al)–(Fe,Al) intrachain bond length at low temperatures in the magnetically ordered state weakened this bond, whereas a decrease in the (Fe,Al)–(Fe,Al) interchain distance strengthened super-exchange paths between different chains. It was found that the addition of aluminium atoms influenced interatomic distances in Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> much more than lowering the temperature from 293 K to 25 K. The effect of aluminium doping on magnetoelectric properties and structural symmetry of rare-earth iron borates is also discussed.https://www.mdpi.com/2073-4352/13/7/1128rare-earth iron–aluminium boratessolid solutionslow-temperature X-ray diffractionsingle crystalstemperature structural dynamicsnegative thermal expansion |
| spellingShingle | Ekaterina S. Smirnova Olga A. Alekseeva Vladimir V. Artemov Timofei A. Sorokin Dmitry N. Khmelenin Ekaterina V. Sidorova Kirill V. Frolov Irina A. Gudim Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K Crystals rare-earth iron–aluminium borates solid solutions low-temperature X-ray diffraction single crystals temperature structural dynamics negative thermal expansion |
| title | Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K |
| title_full | Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K |
| title_fullStr | Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K |
| title_full_unstemmed | Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K |
| title_short | Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K |
| title_sort | crystal structure of bismuth containing samarium iron aluminium borates sm sub 1 i x i sub bi i sub x sub i fe sub 3 i y i sub al i sub y sub i bo sub 3 sub sub 4 sub i x i 0 05 0 07 i y i 0 0 28 in the temperature range of 25 500 k |
| topic | rare-earth iron–aluminium borates solid solutions low-temperature X-ray diffraction single crystals temperature structural dynamics negative thermal expansion |
| url | https://www.mdpi.com/2073-4352/13/7/1128 |
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