@ARTICLE{Luzyanin2001,
author={Luzyanin, I.D. and Ryzhov, V.A. and Chernyshov, D.Y. and Kurbakov, A.I. and Trounov, V.A. and Lazuta, A.V. and Khavronin, V.P. and Larionov, I. and Dunaevsky, S.M.},
title={Crystal structure and magnetic properties of the unique Jahn-Teller system (formula presented)},
journal={Physical Review B - Condensed Matter and Materials Physics},
year={2001},
volume={64},
number={9},
page_count={11},
doi={10.1103/PhysRevB.64.094432},
note={cited By 0},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85038298474&doi=10.1103%2fPhysRevB.64.094432&partnerID=40&md5=9409b1e4034d450e2df89ea2f238fbba},
affiliation={Petersburg Nuclear Physics Institute, Gatchina 188350, St. Petersburg, Russian Federation},
abstract={Structural neutron diffraction investigations as well as data on resistance, linear susceptibility, and second harmonic of magnetization are presented for (formula presented) manganite. The structural studies reveal the unique Jahn-Teller (JT) character of this compound which is established to exhibit a (formula presented) space group. Unusual large coherent JT distortions are found to develop below (formula presented) and remain even in a metallic ferromagnetic phase below the Curie point (formula presented). In the paramagnetic region the resistance is consistent with polaron hopping. A field hysteresis of the second harmonic is observed above (formula presented) This evidences the existence of the macroscopic ferromagnetic regions in the paramagnetic matrix. In contrast, temperature dependence of the linear susceptibility reveals a plateau at (formula presented) These conflicting peculiarities of the magnetic properties can be explained by assuming the ferromagnetic behavior to be associated with the antiferromagnetic regions possessing a weak ferromagnetism. The ordered regions appear as a result of first order transition at (formula presented) destroy at (formula presented) and reveal a characteristic three-critical behavior for (formula presented). Change in a balance between the ferromagnetic double exchange hopping of (formula presented) electrons and the antiferromagnetic interactions of (formula presented) spins, which caused by the cooperative JT effect, and the charge ordering correlations are supposed to account for the anomalous magnetic behavior above (formula presented)© 2001 The American Physical Society.},
issn={10980121},
language={English},
abbrev_source_title={Phys. Rev. B Condens. Matter Mater. Phys.},
document_type={Article},
source={Scopus},
}

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The structural studies reveal the unique Jahn-Teller (JT) character of this compound which is established to exhibit a (formula presented) space group. Unusual large coherent JT distortions are found to develop below (formula presented) and remain even in a metallic ferromagnetic phase below the Curie point (formula presented). In the paramagnetic region the resistance is consistent with polaron hopping. A field hysteresis of the second harmonic is observed above (formula presented) This evidences the existence of the macroscopic ferromagnetic regions in the paramagnetic matrix. In contrast, temperature dependence of the linear susceptibility reveals a plateau at (formula presented) These conflicting peculiarities of the magnetic properties can be explained by assuming the ferromagnetic behavior to be associated with the antiferromagnetic regions possessing a weak ferromagnetism. The ordered regions appear as a result of first order transition at (formula presented) destroy at (formula presented) and reveal a characteristic three-critical behavior for (formula presented). Change in a balance between the ferromagnetic double exchange hopping of (formula presented) electrons and the antiferromagnetic interactions of (formula presented) spins, which caused by the cooperative JT effect, and the charge ordering correlations are supposed to account for the anomalous magnetic behavior above (formula presented)© 2001 The American Physical Society.","issn":"10980121","language":"English","abbrev_source_title":"Phys. Rev. B Condens. Matter Mater. Phys.","document_type":"Article","source":"Scopus","bibtex":"@ARTICLE{Luzyanin2001,\r\nauthor={Luzyanin, I.D. and Ryzhov, V.A. and Chernyshov, D.Y. and Kurbakov, A.I. and Trounov, V.A. and Lazuta, A.V. and Khavronin, V.P. and Larionov, I. and Dunaevsky, S.M.},\r\ntitle={Crystal structure and magnetic properties of the unique Jahn-Teller system (formula presented)},\r\njournal={Physical Review B - Condensed Matter and Materials Physics},\r\nyear={2001},\r\nvolume={64},\r\nnumber={9},\r\npage_count={11},\r\ndoi={10.1103/PhysRevB.64.094432},\r\nnote={cited By 0},\r\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85038298474&doi=10.1103%2fPhysRevB.64.094432&partnerID=40&md5=9409b1e4034d450e2df89ea2f238fbba},\r\naffiliation={Petersburg Nuclear Physics Institute, Gatchina 188350, St. Petersburg, Russian Federation},\r\nabstract={Structural neutron diffraction investigations as well as data on resistance, linear susceptibility, and second harmonic of magnetization are presented for (formula presented) manganite. The structural studies reveal the unique Jahn-Teller (JT) character of this compound which is established to exhibit a (formula presented) space group. Unusual large coherent JT distortions are found to develop below (formula presented) and remain even in a metallic ferromagnetic phase below the Curie point (formula presented). In the paramagnetic region the resistance is consistent with polaron hopping. A field hysteresis of the second harmonic is observed above (formula presented) This evidences the existence of the macroscopic ferromagnetic regions in the paramagnetic matrix. In contrast, temperature dependence of the linear susceptibility reveals a plateau at (formula presented) These conflicting peculiarities of the magnetic properties can be explained by assuming the ferromagnetic behavior to be associated with the antiferromagnetic regions possessing a weak ferromagnetism. The ordered regions appear as a result of first order transition at (formula presented) destroy at (formula presented) and reveal a characteristic three-critical behavior for (formula presented). Change in a balance between the ferromagnetic double exchange hopping of (formula presented) electrons and the antiferromagnetic interactions of (formula presented) spins, which caused by the cooperative JT effect, and the charge ordering correlations are supposed to account for the anomalous magnetic behavior above (formula presented)© 2001 The American Physical Society.},\r\nissn={10980121},\r\nlanguage={English},\r\nabbrev_source_title={Phys. Rev. B Condens. Matter Mater. 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