Antiferromagnetism and Spin Reorientation ...
Document type :
Article dans une revue scientifique: Article original
DOI :
PMID :
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Title :
Antiferromagnetism and Spin Reorientation in \"PbCrO3\"
Author(s) :
Arevalo Lopez, Angel [Auteur]
Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] [UCM]
Dos Santos-Garcia, Antonio J. [Auteur]
Universidad de Castilla-La Mancha = University of Castilla-La Mancha [UCLM]
Alario-Franco, Miguel A. [Auteur]
Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] [UCM]

Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] [UCM]
Dos Santos-Garcia, Antonio J. [Auteur]
Universidad de Castilla-La Mancha = University of Castilla-La Mancha [UCLM]
Alario-Franco, Miguel A. [Auteur]
Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] [UCM]
Journal title :
Inorganic Chemistry
Abbreviated title :
Inorg. Chem.
Volume number :
48
Pages :
5434-5438
Publication date :
2009-05-07
ISSN :
0020-1669
HAL domain(s) :
Chimie
English abstract : [en]
The perovskite “PbCrO3” was synthesized at high pressure and high temperature. Its magnetic properties have been investigated by means of magnetization, specific heat, and resistivity measurements. Earlier workers had ...
Show more >The perovskite “PbCrO3” was synthesized at high pressure and high temperature. Its magnetic properties have been investigated by means of magnetization, specific heat, and resistivity measurements. Earlier workers had concluded it to have a G-type antiferromagnetic structure. However, our measurements suggest a rather more complex situation: first, a weak ferromagnetic transition of the Cr(IV) spins occurs at 245 K; this is followed by a temperature-driven spin reorientation starting at 185 K and ending at 62 K. Since zero-magnetic-field spin reorientation in the “PbCrO3” perovskite should not be expected, an intrinsic “magnetoelectric effect”, associated with the lone-pair Pb electrons, seems to be responsible for the observed smooth rotation of the Cr-spins.Show less >
Show more >The perovskite “PbCrO3” was synthesized at high pressure and high temperature. Its magnetic properties have been investigated by means of magnetization, specific heat, and resistivity measurements. Earlier workers had concluded it to have a G-type antiferromagnetic structure. However, our measurements suggest a rather more complex situation: first, a weak ferromagnetic transition of the Cr(IV) spins occurs at 245 K; this is followed by a temperature-driven spin reorientation starting at 185 K and ending at 62 K. Since zero-magnetic-field spin reorientation in the “PbCrO3” perovskite should not be expected, an intrinsic “magnetoelectric effect”, associated with the lone-pair Pb electrons, seems to be responsible for the observed smooth rotation of the Cr-spins.Show less >
Language :
Anglais
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
Université de Lille
CNRS
Centrale Lille
ENSCL
Univ. Artois
CNRS
Centrale Lille
ENSCL
Univ. Artois
Collections :
Research team(s) :
Matériaux inorganiques, structures, systèmes et propriétés (MISSP)
Submission date :
2023-05-30T18:05:34Z
2024-04-26T11:12:33Z
2024-04-26T11:12:33Z