Room-Temperature Ferromagnetism in Zn-Mn-O, X-Ray Photoemission Surface Study
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Room temperature ferromagnetic properties of Zn-Mn-O show evident dependence on manganese concentration and preparation conditions. We systematically studied series of samples with manganese concentration ranging from 0 to 10 at.%, prepared in air at thermal treatment temperatures ranging from 400 to 900 degrees tau C. The samples were investigated by X-ray diffraction, TEM, magnetization measurements and XPS spectroscopy. XPS analyses of surface composition, chemical bonding and XPS depth profiling were successfully employed on powder revealing the chemical composition at the surface of the grains and underneath. The study emphasizes important role of the grain surface in observed room temperature ferromagnetism. It seems that the ferromagnetic phase is correlated with oxygen build up at the surface.
Извор:
Acta Physica Polonica A, 2011, 120, 2, 311-315Финансирање / пројекти:
- Хемијско и структурно дизајнирање наноматеријала за примену у медицини и инжењерству ткива (RS-MESTD-Basic Research (BR or ON)-172026)
Напомена:
- 12th Annual YUCOMAT Conference, Sep 06-10, 2010, Herceg Novi, Montenegro
DOI: 10.12693/APhysPolA.120.311
ISSN: 0587-4246
WoS: 000291836900023
Scopus: 2-s2.0-79960127419
Институција/група
VinčaTY - JOUR AU - Milivojević, Dušan AU - Babić-Stojić, Branka S. AU - Blanuša, Jovan AU - Kovač, Janez PY - 2011 UR - https://vinar.vin.bg.ac.rs/handle/123456789/6923 AB - Room temperature ferromagnetic properties of Zn-Mn-O show evident dependence on manganese concentration and preparation conditions. We systematically studied series of samples with manganese concentration ranging from 0 to 10 at.%, prepared in air at thermal treatment temperatures ranging from 400 to 900 degrees tau C. The samples were investigated by X-ray diffraction, TEM, magnetization measurements and XPS spectroscopy. XPS analyses of surface composition, chemical bonding and XPS depth profiling were successfully employed on powder revealing the chemical composition at the surface of the grains and underneath. The study emphasizes important role of the grain surface in observed room temperature ferromagnetism. It seems that the ferromagnetic phase is correlated with oxygen build up at the surface. T2 - Acta Physica Polonica A T1 - Room-Temperature Ferromagnetism in Zn-Mn-O, X-Ray Photoemission Surface Study VL - 120 IS - 2 SP - 311 EP - 315 DO - 10.12693/APhysPolA.120.311 ER -
@article{ author = "Milivojević, Dušan and Babić-Stojić, Branka S. and Blanuša, Jovan and Kovač, Janez", year = "2011", abstract = "Room temperature ferromagnetic properties of Zn-Mn-O show evident dependence on manganese concentration and preparation conditions. We systematically studied series of samples with manganese concentration ranging from 0 to 10 at.%, prepared in air at thermal treatment temperatures ranging from 400 to 900 degrees tau C. The samples were investigated by X-ray diffraction, TEM, magnetization measurements and XPS spectroscopy. XPS analyses of surface composition, chemical bonding and XPS depth profiling were successfully employed on powder revealing the chemical composition at the surface of the grains and underneath. The study emphasizes important role of the grain surface in observed room temperature ferromagnetism. It seems that the ferromagnetic phase is correlated with oxygen build up at the surface.", journal = "Acta Physica Polonica A", title = "Room-Temperature Ferromagnetism in Zn-Mn-O, X-Ray Photoemission Surface Study", volume = "120", number = "2", pages = "311-315", doi = "10.12693/APhysPolA.120.311" }
Milivojević, D., Babić-Stojić, B. S., Blanuša, J.,& Kovač, J.. (2011). Room-Temperature Ferromagnetism in Zn-Mn-O, X-Ray Photoemission Surface Study. in Acta Physica Polonica A, 120(2), 311-315. https://doi.org/10.12693/APhysPolA.120.311
Milivojević D, Babić-Stojić BS, Blanuša J, Kovač J. Room-Temperature Ferromagnetism in Zn-Mn-O, X-Ray Photoemission Surface Study. in Acta Physica Polonica A. 2011;120(2):311-315. doi:10.12693/APhysPolA.120.311 .
Milivojević, Dušan, Babić-Stojić, Branka S., Blanuša, Jovan, Kovač, Janez, "Room-Temperature Ferromagnetism in Zn-Mn-O, X-Ray Photoemission Surface Study" in Acta Physica Polonica A, 120, no. 2 (2011):311-315, https://doi.org/10.12693/APhysPolA.120.311 . .