Local inspection of magnetic properties in GdMnIn by measuring hyperfine interactions
| Autor: | Rafael S. Freitas, J. F. Magno, B. Bosch-Santos, R. N. Saxena, Gabriel A. Cabrera-Pasca, A. C. Campos, L.F.D. Pereira, A. Burimova, W. L. Ferreira, Artur W. Carbonari, T. S. N. Sales |
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| Rok vydání: | 2021 |
| Předmět: |
010302 applied physics
Materials science Field (physics) Condensed matter physics media_common.quotation_subject General Physics and Astronomy Frustration 02 engineering and technology Thermomagnetic convection 021001 nanoscience & nanotechnology 01 natural sciences lcsh:QC1-999 Magnetization 0103 physical sciences Antiferromagnetism 0210 nano-technology Spin (physics) Anisotropy Hyperfine structure lcsh:Physics media_common |
| Zdroj: | AIP Advances, Vol 11, Iss 1, Pp 015322-015322-6 (2021) |
| ISSN: | 2158-3226 |
| DOI: | 10.1063/9.0000037 |
| Popis: | GdMnIn is reported to crystallize in the hexagonal MgNi2-type structure presenting a spin-glass behavior with no magnetic order attributed to the triangular spin frustration of magnetic ions. In the present work, FC-ZFC magnetization, specific heat and AC susceptibility measurements along with the local magnetic exchange measured by hyperfine interactions at In sites are used to investigate the magnetic behavior in GdMnIn compound. The ZFC-FC magnetization curves exhibit an inflection which was ascribed to the antiferromagnetic transition at TN= 145 K. These curves also give an indication of thermomagnetic irreversibility at 118 K, which along with the absence of inflection in specific heat results might be associated to spin-glass behavior. Results of AC susceptibility and magnetic hyperfine field measured using 111In(111Cd) probe nuclei carried out by perturbed angular correlations (PAC) technique did not show evidence of spin-glass behavior. The thermomagnetic irreversibility in FC-ZFC curves along with results of hyerfine interactions suggest the presence of magneto-crystalline anisotropy effects and a weak long-range coupling in GdMnIn. |
| Databáze: | OpenAIRE |
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