Spin interactions in Cd1-xMnxS bulk crystals
Abstract
Electron paramagnetic resonance (EPR) linewidth in the Cd1-xMnxS bulk crystals with manganese concentrations x = 0.25, 0.33, 0.35 and 0.42 has been studied in the high-temperature region. An analysis of the infinite-temperature EPR linewidth perfonned within the exchange narrowing model shows that the contributions of the anisotropic superexchange and magnetic dipolar interaction to the linewidth are nearly the same due to weak anion spin-orbit coupling. The single-ion anisotropy originating from the crystal field of axial symmetry with the parameter D-single= 0.0295 cm(-1), as observed in some CdS:Mn crystals, gives a contribution to the linewidth comparable with the influence of the anisotropic superexchange and magnetic dipolar interaction. The calculated infinite-temperature linewidths, including all anisotropic spin interactions examined in this work, are close to the experimental infinite-temperature linewidths estimated from the existing high-temperature data.
Keywords:
Cd1-xMnxS / diluted magnetic semiconductors / EPRSource:
Materials Science Forum, 2005, 494, 271-275Note:
- Current Research in Advanced Materials and Processes, 6th Conference of the Yugoslav-Materials-Research-Society, Sep 13-17, 2004, Herceg Novi, Montenegro
DOI: 10.4028/www.scientific.net/MSF.494.271
ISSN: 0255-5476
WoS: 000230985800045
Scopus: 2-s2.0-35248881990
Institution/Community
VinčaTY - JOUR AU - Milivojević, Dušan AU - Babić-Stojić, Branka S. PY - 2005 UR - https://vinar.vin.bg.ac.rs/handle/123456789/6530 AB - Electron paramagnetic resonance (EPR) linewidth in the Cd1-xMnxS bulk crystals with manganese concentrations x = 0.25, 0.33, 0.35 and 0.42 has been studied in the high-temperature region. An analysis of the infinite-temperature EPR linewidth perfonned within the exchange narrowing model shows that the contributions of the anisotropic superexchange and magnetic dipolar interaction to the linewidth are nearly the same due to weak anion spin-orbit coupling. The single-ion anisotropy originating from the crystal field of axial symmetry with the parameter D-single= 0.0295 cm(-1), as observed in some CdS:Mn crystals, gives a contribution to the linewidth comparable with the influence of the anisotropic superexchange and magnetic dipolar interaction. The calculated infinite-temperature linewidths, including all anisotropic spin interactions examined in this work, are close to the experimental infinite-temperature linewidths estimated from the existing high-temperature data. T2 - Materials Science Forum T1 - Spin interactions in Cd1-xMnxS bulk crystals VL - 494 SP - 271 EP - 275 DO - 10.4028/www.scientific.net/MSF.494.271 ER -
@article{ author = "Milivojević, Dušan and Babić-Stojić, Branka S.", year = "2005", abstract = "Electron paramagnetic resonance (EPR) linewidth in the Cd1-xMnxS bulk crystals with manganese concentrations x = 0.25, 0.33, 0.35 and 0.42 has been studied in the high-temperature region. An analysis of the infinite-temperature EPR linewidth perfonned within the exchange narrowing model shows that the contributions of the anisotropic superexchange and magnetic dipolar interaction to the linewidth are nearly the same due to weak anion spin-orbit coupling. The single-ion anisotropy originating from the crystal field of axial symmetry with the parameter D-single= 0.0295 cm(-1), as observed in some CdS:Mn crystals, gives a contribution to the linewidth comparable with the influence of the anisotropic superexchange and magnetic dipolar interaction. The calculated infinite-temperature linewidths, including all anisotropic spin interactions examined in this work, are close to the experimental infinite-temperature linewidths estimated from the existing high-temperature data.", journal = "Materials Science Forum", title = "Spin interactions in Cd1-xMnxS bulk crystals", volume = "494", pages = "271-275", doi = "10.4028/www.scientific.net/MSF.494.271" }
Milivojević, D.,& Babić-Stojić, B. S.. (2005). Spin interactions in Cd1-xMnxS bulk crystals. in Materials Science Forum, 494, 271-275. https://doi.org/10.4028/www.scientific.net/MSF.494.271
Milivojević D, Babić-Stojić BS. Spin interactions in Cd1-xMnxS bulk crystals. in Materials Science Forum. 2005;494:271-275. doi:10.4028/www.scientific.net/MSF.494.271 .
Milivojević, Dušan, Babić-Stojić, Branka S., "Spin interactions in Cd1-xMnxS bulk crystals" in Materials Science Forum, 494 (2005):271-275, https://doi.org/10.4028/www.scientific.net/MSF.494.271 . .