Behavior of clustered state above the curie temperature in La 0.78Ca0.22MnO3 single crystal. Ryzhov, V., Lazuta, A., Smirnov, O., Khavronin, V., Molkanov, P., Mukovskii, Y., & Chichkov, V. Solid State Phenomena, 168-169:485-488, Trans Tech Publications Ltd, 2011. cited By 1![Behavior of clustered state above the curie temperature in La 0.78Ca0.22MnO3 single crystal [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The results of structural neutron diffraction study and the data on the transport and magnetic properties (the linear and nonlinear (second and third order) susceptibilities) are presented for the La0.88Ca 0.22MnO3 single crystal. This compound has the orthorhombic Pbnm space group, showing no structural transformations between 90 K and 300 K. It exhibits the paramagnetferromagnet (P-F) (TC ≈ 186 K) and insulator - metal (I-M) (TIM ≈ 201 K > TC) phase transitions. The measurements of the second harmonic of the magnetization in the parallel ac and dc H magnetic fields, M2(H,T), showed that below T* ≈ 252 K, the FM clusters appear in the PI matrix undergoing the second-order transition. The concentration of the FM clusters increases with cooling so that it is above the percolative threshold value below T IM, and the sample exhibits metallic behavior. The M2(H) hysteresis loops possess a high sensitivity to the I-M transition. Their usual central symmetry is broken in the vicinity of TIM and the loops become asymmetric. This effect is attributed to cluster link nucleation-and-growth process.
@ARTICLE{Ryzhov2011485,
author={Ryzhov, V.A. and Lazuta, A.V. and Smirnov, O.P. and Khavronin, V.P. and Molkanov, P.L. and Mukovskii, Ya.M. and Chichkov, V.I.},
title={Behavior of clustered state above the curie temperature in La 0.78Ca0.22MnO3 single crystal},
journal={Solid State Phenomena},
year={2011},
volume={168-169},
pages={485-488},
doi={10.4028/www.scientific.net/SSP.168-169.485},
note={cited By 1},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-79951915871&doi=10.4028%2fwww.scientific.net%2fSSP.168-169.485&partnerID=40&md5=daafd42ad9c95d35cf2d50723271d25e},
affiliation={Petersburg Nuclear Physics Institute, RAS, Gatchina, St.Petersburg, 188300, Russian Federation; State Technological University, Moscow Steel and Alloys Institute (MISIS), Moscow, 119049, Russian Federation},
abstract={The results of structural neutron diffraction study and the data on the transport and magnetic properties (the linear and nonlinear (second and third order) susceptibilities) are presented for the La0.88Ca 0.22MnO3 single crystal. This compound has the orthorhombic Pbnm space group, showing no structural transformations between 90 K and 300 K. It exhibits the paramagnetferromagnet (P-F) (TC ≈ 186 K) and insulator - metal (I-M) (TIM ≈ 201 K > TC) phase transitions. The measurements of the second harmonic of the magnetization in the parallel ac and dc H magnetic fields, M2(H,T), showed that below T* ≈ 252 K, the FM clusters appear in the PI matrix undergoing the second-order transition. The concentration of the FM clusters increases with cooling so that it is above the percolative threshold value below T IM, and the sample exhibits metallic behavior. The M2(H) hysteresis loops possess a high sensitivity to the I-M transition. Their usual central symmetry is broken in the vicinity of TIM and the loops become asymmetric. This effect is attributed to cluster link nucleation-and-growth process.},
author_keywords={Magnetization dynamics; Magnetization reversal mechanisms; Phase transitions},
correspondence_address1={Ryzhov, V. A.; Petersburg Nuclear Physics Institute, RAS, Gatchina, St.Petersburg, 188300, Russian Federation; email: ryzhov@omrb.pnpi.spb.ru},
publisher={Trans Tech Publications Ltd},
issn={10120394},
isbn={9783037850213},
coden={DDBPE},
language={English},
abbrev_source_title={Diffus Def Data Pt B},
document_type={Conference Paper},
source={Scopus},
}
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