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| Polar intermetallics: from the electronic structure aspects to new thermoelectric materials and superconductors | |
| 项目编号 | 20-13-18003 |
| Shevelkov Andrei | |
| 项目主持机构 | Federal State Budgetary Educational Institution of Higher Education Lomonosov Moscow State University, |
| 开始日期 | 2020 |
| 结束日期 | 2021 |
| 英文摘要 | Developing new materials for efficient energy conversion is one of priority tasks for the energy sector. Among the demanded materials there are superconductors, which store and transport large amounts of energy without any losses; thermoelectric materials for the mutual conversion of electrical and thermal energy; and magnetocaloric materials, which accumulate thermal energy under external magnetic field. Polar intermetallics comprise a special class of compounds, which are akin to metals and alloys but possess much greater functionality, giving rise to superconducting, thermoelectric, and magnetocaloric materials of new generations. We consider binary compounds formed between d and p-metals, which may possess interesting magnetic properties if a compound contains the 3d transition metal, or may show superconducting properties in the case of heavier 4d and 5d metals. In the proposed research, we aim at establishing fundamental principles that govern the magnetocaloric behavior of the Fe-Ge and Fe-Ga intermetallics as well as superconducting properties of 4d and 5d-metal-based Ga cluster superconductors. For the proposed compounds, their functional properties such as temperatures of phase transitions can be linked with the parameters of band structure, which allows us to optimize functional properties by chemical methods and thus develop the advanced energy materials. |
| 英文关键词 | polar intermetallics;inorganic synthesis;crystal and electronic structure;electron-phonon coupling;electronic correlations;thermoelectric materials;superconductivity;band structure |
| 学科分类 | 05 - 化学科学 |
| 资助机构 | RU-RSF |
| 国家 | RU |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/191716 |
| 推荐引用方式 GB/T 7714 | Shevelkov Andrei.Polar intermetallics: from the electronic structure aspects to new thermoelectric materials and superconductors.2020. |
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