Magnetic, dielectric and optical properties of Al-, Mg-, Co- and Zn-ion–doped CuCrO2
| Autor: | Angel T. Apostolov, Julia M. Wesselinowa, Iliana N. Apostolova |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Materials science
multiferroics Band gap Doping Analytical chemistry General Physics and Astronomy Dielectric Magnetoelectric effects General theory and models of magnetic ordering Ion Magnetic field Condensed Matter::Materials Science Magnetization Dielectric properties of solids and liquids Condensed Matter::Superconductivity ComputingMethodologies_DOCUMENTANDTEXTPROCESSING Condensed Matter::Strongly Correlated Electrons Multiferroics Zn doping |
| Zdroj: | Europhysics Letters. 133:47003 |
| ISSN: | 1286-4854 0295-5075 |
| DOI: | 10.1209/0295-5075/133/47003 |
| Popis: | The effects of Al, Mg, Co and Zn ion doping on different properties of multiferroic CuCrO2 are studied using a microscopic model and the Green's function technique. The temperature dependence of the dielectric constant shows a kink near T N . For Al ion doping decreases, for Co it increases, whereas for Mg it has a maximum for . decreases with increasing magnetic field h ab . The magnetization M is reduced with enhancing the Al and Zn doping concentration, whereas by Mg doping M shows a maximum at . The band gap E g increases weakly for Zn doping. It decreases strongly with increasing Co and slightly with increasing Mg doping, which is in good quantitative agreement with the experimental data. |
| Databáze: | OpenAIRE |
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