Relaxation phenomena in super spin glass nanoparticle manganite La0.7Ca0.3MnO3
Апстракт
Investigation of complex, nonequilibrium dynamics of super spin glass nanoparticle La0.7Ca0.3MnO3 sample was conducted through the comprehensive set of magnetization relaxation measurements. It comprised measurements of thermoremanent and zero-field cooled magnetization time decay under various temperature and field conditions, as well as study of the ageing effect for different waiting times. A variety of theoretical models dealing with nonequilibrium dynamics in spin glasses was successfully implemented in the description of experimentally observed relaxation phenomena. Collective behaviour observed at low temperatures and intermediate magnetic fields was found to be the consequence of the random orientation of easy axes and significant dipolar interactions between nanoparticle moments. (c) 2012 Elsevier B.V. All rights reserved.
Кључне речи:
Manganite nanoparticles / Mechanochemistry / Magnetometer / Magnetic relaxation and ageingИзвор:
Materials Chemistry and Physics, 2012, 136, 1, 196-204Финансирање / пројекти:
- Магнетни и радионуклидима обележени наноструктурни материјали за примене у медицини (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45015)
DOI: 10.1016/j.matchemphys.2012.06.052
ISSN: 0254-0584
WoS: 000309334300027
Scopus: 2-s2.0-84865503785
Колекције
Институција/група
VinčaTY - JOUR AU - Perović, Marija M. AU - Mraković, Ana Đ. AU - Kusigerski, Vladan AU - Blanuša, Jovan AU - Spasojević, Vojislav PY - 2012 UR - https://vinar.vin.bg.ac.rs/handle/123456789/5059 AB - Investigation of complex, nonequilibrium dynamics of super spin glass nanoparticle La0.7Ca0.3MnO3 sample was conducted through the comprehensive set of magnetization relaxation measurements. It comprised measurements of thermoremanent and zero-field cooled magnetization time decay under various temperature and field conditions, as well as study of the ageing effect for different waiting times. A variety of theoretical models dealing with nonequilibrium dynamics in spin glasses was successfully implemented in the description of experimentally observed relaxation phenomena. Collective behaviour observed at low temperatures and intermediate magnetic fields was found to be the consequence of the random orientation of easy axes and significant dipolar interactions between nanoparticle moments. (c) 2012 Elsevier B.V. All rights reserved. T2 - Materials Chemistry and Physics T1 - Relaxation phenomena in super spin glass nanoparticle manganite La0.7Ca0.3MnO3 VL - 136 IS - 1 SP - 196 EP - 204 DO - 10.1016/j.matchemphys.2012.06.052 ER -
@article{ author = "Perović, Marija M. and Mraković, Ana Đ. and Kusigerski, Vladan and Blanuša, Jovan and Spasojević, Vojislav", year = "2012", abstract = "Investigation of complex, nonequilibrium dynamics of super spin glass nanoparticle La0.7Ca0.3MnO3 sample was conducted through the comprehensive set of magnetization relaxation measurements. It comprised measurements of thermoremanent and zero-field cooled magnetization time decay under various temperature and field conditions, as well as study of the ageing effect for different waiting times. A variety of theoretical models dealing with nonequilibrium dynamics in spin glasses was successfully implemented in the description of experimentally observed relaxation phenomena. Collective behaviour observed at low temperatures and intermediate magnetic fields was found to be the consequence of the random orientation of easy axes and significant dipolar interactions between nanoparticle moments. (c) 2012 Elsevier B.V. All rights reserved.", journal = "Materials Chemistry and Physics", title = "Relaxation phenomena in super spin glass nanoparticle manganite La0.7Ca0.3MnO3", volume = "136", number = "1", pages = "196-204", doi = "10.1016/j.matchemphys.2012.06.052" }
Perović, M. M., Mraković, A. Đ., Kusigerski, V., Blanuša, J.,& Spasojević, V.. (2012). Relaxation phenomena in super spin glass nanoparticle manganite La0.7Ca0.3MnO3. in Materials Chemistry and Physics, 136(1), 196-204. https://doi.org/10.1016/j.matchemphys.2012.06.052
Perović MM, Mraković AĐ, Kusigerski V, Blanuša J, Spasojević V. Relaxation phenomena in super spin glass nanoparticle manganite La0.7Ca0.3MnO3. in Materials Chemistry and Physics. 2012;136(1):196-204. doi:10.1016/j.matchemphys.2012.06.052 .
Perović, Marija M., Mraković, Ana Đ., Kusigerski, Vladan, Blanuša, Jovan, Spasojević, Vojislav, "Relaxation phenomena in super spin glass nanoparticle manganite La0.7Ca0.3MnO3" in Materials Chemistry and Physics, 136, no. 1 (2012):196-204, https://doi.org/10.1016/j.matchemphys.2012.06.052 . .