Study of A-site ordered PrBaMn2O6-δ manganite properties depending on the treatment conditions. Trukhanov, S., Lobanovski, L., Bushinsky, M., Fedotova, V., Troyanchuk, I., Trukhanov, A., Ryzhov, V., Szymczak, H., Szymczak, R., & Baran, M. Journal of Physics Condensed Matter, 17(41):6495-6506, 2005. cited By 49
Paper doi abstract bibtex The effect of treatment conditions on the magnetic and magnetotransport properties of A-site ordered PrBaMn2O6-δ manganites is examined. The parent oxygen-stoichiometric A-site ordered PrBaMn 2O6 samples were prepared from oxygen-stoichiometric A-site disordered Pr0.50Ba0.50MnO3 ones by using a 'two-step' synthesis method. The most significant structural feature of the A-site ordered manganites is that the MnO2 sublattice is sandwiched by two kinds of rock-salt layers, PrOx and BaO. The oxygen-stoichiometric A-site ordered PrBaMn2O6 demonstrates a ferromagnetic metal to paramagnetic insulator transition with the Curie point at about 320 K. These compounds are stable in air up to 1300 °C. The A-site ordered PrBaMn2O6 samples were next reduced in flowing argon as well as being treated under high pressure conditions. The reduction of the A-site ordered PrBaMn2O6 samples leads to the appearance of an antiferromagnetic state with a Néel point of about 140 K, while the A-site order remains. Upon high pressure treatment the degree of A-site order decreases, which reduces TC to 180 K. The magnetotransport properties of A-site ordered manganites treated under different conditions are discussed in terms of the manganese valence, oxygen content and degree of A-site order. © 2005 IOP Publishing Ltd.
@ARTICLE{Trukhanov20056495,
author={Trukhanov, S.V. and Lobanovski, L.S. and Bushinsky, M.V. and Fedotova, V.V. and Troyanchuk, I.O. and Trukhanov, A.V. and Ryzhov, V.A. and Szymczak, H. and Szymczak, R. and Baran, M.},
title={Study of A-site ordered PrBaMn2O6-δ manganite properties depending on the treatment conditions},
journal={Journal of Physics Condensed Matter},
year={2005},
volume={17},
number={41},
pages={6495-6506},
doi={10.1088/0953-8984/17/41/019},
note={cited By 49},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-26444470912&doi=10.1088%2f0953-8984%2f17%2f41%2f019&partnerID=40&md5=4f380f1bb37172ef8aa934ea28dd317e},
affiliation={Institute of Solids and Semiconductor Physics of NASB, P Brovka Street 17, 220072 Minsk, Belarus; Chemistry Department, Vitebsk State University, Moscow Avenue 33, 210036 Vitebsk, Belarus; Petersburg Nuclear Physics Institute RAS, Gatchina, St Petersburg 188300, Russian Federation; Institute of Physics, PAS, Lotnikov street 32/46, 02-668 Warsaw, Poland},
abstract={The effect of treatment conditions on the magnetic and magnetotransport properties of A-site ordered PrBaMn2O6-δ manganites is examined. The parent oxygen-stoichiometric A-site ordered PrBaMn 2O6 samples were prepared from oxygen-stoichiometric A-site disordered Pr0.50Ba0.50MnO3 ones by using a 'two-step' synthesis method. The most significant structural feature of the A-site ordered manganites is that the MnO2 sublattice is sandwiched by two kinds of rock-salt layers, PrOx and BaO. The oxygen-stoichiometric A-site ordered PrBaMn2O6 demonstrates a ferromagnetic metal to paramagnetic insulator transition with the Curie point at about 320 K. These compounds are stable in air up to 1300 °C. The A-site ordered PrBaMn2O6 samples were next reduced in flowing argon as well as being treated under high pressure conditions. The reduction of the A-site ordered PrBaMn2O6 samples leads to the appearance of an antiferromagnetic state with a Néel point of about 140 K, while the A-site order remains. Upon high pressure treatment the degree of A-site order decreases, which reduces TC to 180 K. The magnetotransport properties of A-site ordered manganites treated under different conditions are discussed in terms of the manganese valence, oxygen content and degree of A-site order. © 2005 IOP Publishing Ltd.},
correspondence_address1={Trukhanov, S.V.; Institute of Solids and Semiconductor Physics of NASB, P Brovka Street 17, 220072 Minsk, Belarus},
issn={09538984},
coden={JCOME},
language={English},
abbrev_source_title={J Phys Condens Matter},
document_type={Review},
source={Scopus},
}
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