Magnetic and transport properties of the mixed 3d–5d–4f double perovskite Sm2CoIrO6
| العنوان: | Magnetic and transport properties of the mixed 3d–5d–4f double perovskite Sm2CoIrO6 |
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| المؤلفون: | Subham Majumdar, Rafikul Ali Saha, Suman Pradhan, Biswajit Dalal, Raktim Datta, Subodh Kumar De |
| المصدر: | Journal of Physics: Condensed Matter. 33:335801 |
| بيانات النشر: | IOP Publishing, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Phase transition, Materials science, Condensed matter physics, 02 engineering and technology, Dielectric, Crystal structure, 021001 nanoscience & nanotechnology, Condensed Matter Physics, 01 natural sciences, Condensed Matter::Materials Science, Magnetization, Ferrimagnetism, 0103 physical sciences, Condensed Matter::Strongly Correlated Electrons, General Materials Science, Crystallite, Isostructural, 010306 general physics, 0210 nano-technology, Monoclinic crystal system |
| الوصف: | Iridium-based double perovskites having mixed 3d-5d-4f magnetic sub-lattices are expected to exhibit exotic magnetic phenomenon. In this paper, we report a study of structural, magnetic and transport properties of the mixed 3d-5d-4f double perovskite Sm2CoIrO6, which crystallizes in monoclinic structure with space group P21/n and the crystal symmetry remains same throughout the measured temperature down to 15 K. High resolution synchrotron X-ray diffraction revels an isostructural phase transition around 104 K. Magnetization measurements on polycrystalline samples indicate that Sm2CoIrO6 orders ferrimagnetically at TFiM = 104 K; while, a second transition is observed below 10 K due to the rare earth (Sm3+) ordering. The ferrimagnetic transition is well-understood by Neel's two-sublattice model, which is primarily ascribed to antiferromagnetic coupling between Co2+ and Ir4+ sub-lattices. Electronic transport measurement shows the insulting behaviour of Sm2CoIrO6, which follows Mott variable-range hopping conduction mechanism. However, dielectric measurements w.r.t temperature rules out the presence of magneto dielectric coupling in this compound. |
| تدمد: | 1361-648X 0953-8984 |
| DOI: | 10.1088/1361-648x/ac066a |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::d31459004235f19b084feb768869872f https://doi.org/10.1088/1361-648x/ac066a |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi...........d31459004235f19b084feb768869872f |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 1361648X 09538984 |
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| DOI: | 10.1088/1361-648x/ac066a |