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Ground-state magnetism of chromium-substituted LiMn2O4 spinel

Authorized Users Only
2008
Authors
Kusigerski, Vladan
Marković, Dragana
Spasojević, Vojislav
Cvjetićanin, Nikola
Mitrić, Miodrag
Jugović, Dragana
Uskoković, Dragan
Article (Published version)
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Abstract
Comparative crystal structure and magnetic properties studies have been conducted on quaternary powder spinel samples LiMn1.82Cr0.18O4 obtained by two different synthesis methods, glycine-nitrate (GN) and ultrasonic spray-pyrolysis (SP). Although both samples possess the same spinel structure of the cubic space group Fd (3) over barm, their low-temperature magnetic properties display significant differences. While the SP sample undergoes only spin-glass transition at the freezing temperature T-f 20 K, the GN sample possesses more complicated low-temperature magnetic behavior of the reentrant spin-glass type with the Neel temperature TN 42K and freezing temperature Tf 22 K. High-temperature magnetic susceptibility of both samples is of the Curie-Weiss type with the effective magnetic moments in agreement with the nominal compositions. This fact together with the results of the chemical analysis discards the existence of the diversity in chemical compositions as a possible cause for the ...observed differences in the low-temperature magnetism. On the other hand, the crystal structure analysis done by the Rietveld refinement of the X-ray powder diffraction data points to the strong influence of the cation distribution on the ground-state magnetism of these systems. An explanation of this influence is proposed within the framework of a collective Jahn-Teller effect. (C) 2007 Elsevier B.V. All rights reserved.

Keywords:
magnetic measurement / powder diffraction / crystal structure / phase transition / LiMn2-xCrxO4
Source:
Journal of Magnetism and Magnetic Materials, 2008, 320, 6, 943-949
Funding / projects:
  • Sinteza funkcionalnih materijala sa kontrolisanom strukturom na molekularnom i nano nivou (RS-142006)

DOI: 10.1016/j.jmmm.2007.09.011

ISSN: 0304-8853 (print); 1873-4766 (electronic)

WoS: 000254416300029

Scopus: 2-s2.0-39049084838
[ Google Scholar ]
2
2
Handle
https://hdl.handle.net/21.15107/rcub_dais_2737
URI
https://dais.sanu.ac.rs/123456789/2737
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Kusigerski, Vladan
AU  - Marković, Dragana
AU  - Spasojević, Vojislav
AU  - Cvjetićanin, Nikola
AU  - Mitrić, Miodrag
AU  - Jugović, Dragana
AU  - Uskoković, Dragan
PY  - 2008
UR  - https://dais.sanu.ac.rs/123456789/2737
AB  - Comparative crystal structure and magnetic properties studies have been conducted on quaternary powder spinel samples LiMn1.82Cr0.18O4 obtained by two different synthesis methods, glycine-nitrate (GN) and ultrasonic spray-pyrolysis (SP). Although both samples possess the same spinel structure of the cubic space group Fd (3) over barm, their low-temperature magnetic properties display significant differences. While the SP sample undergoes only spin-glass transition at the freezing temperature T-f 20 K, the GN sample possesses more complicated low-temperature magnetic behavior of the reentrant spin-glass type with the Neel temperature TN 42K and freezing temperature Tf 22 K. High-temperature magnetic susceptibility of both samples is of the Curie-Weiss type with the effective magnetic moments in agreement with the nominal compositions. This fact together with the results of the chemical analysis discards the existence of the diversity in chemical compositions as a possible cause for the observed differences in the low-temperature magnetism. On the other hand, the crystal structure analysis done by the Rietveld refinement of the X-ray powder diffraction data points to the strong influence of the cation distribution on the ground-state magnetism of these systems. An explanation of this influence is proposed within the framework of a collective Jahn-Teller effect. (C) 2007 Elsevier B.V. All rights reserved.
T2  - Journal of Magnetism and Magnetic Materials
T1  - Ground-state magnetism of chromium-substituted LiMn2O4 spinel
SP  - 943
EP  - 949
VL  - 320
IS  - 6
DO  - 10.1016/j.jmmm.2007.09.011
UR  - https://hdl.handle.net/21.15107/rcub_dais_2737
ER  - 
@article{
author = "Kusigerski, Vladan and Marković, Dragana and Spasojević, Vojislav and Cvjetićanin, Nikola and Mitrić, Miodrag and Jugović, Dragana and Uskoković, Dragan",
year = "2008",
abstract = "Comparative crystal structure and magnetic properties studies have been conducted on quaternary powder spinel samples LiMn1.82Cr0.18O4 obtained by two different synthesis methods, glycine-nitrate (GN) and ultrasonic spray-pyrolysis (SP). Although both samples possess the same spinel structure of the cubic space group Fd (3) over barm, their low-temperature magnetic properties display significant differences. While the SP sample undergoes only spin-glass transition at the freezing temperature T-f 20 K, the GN sample possesses more complicated low-temperature magnetic behavior of the reentrant spin-glass type with the Neel temperature TN 42K and freezing temperature Tf 22 K. High-temperature magnetic susceptibility of both samples is of the Curie-Weiss type with the effective magnetic moments in agreement with the nominal compositions. This fact together with the results of the chemical analysis discards the existence of the diversity in chemical compositions as a possible cause for the observed differences in the low-temperature magnetism. On the other hand, the crystal structure analysis done by the Rietveld refinement of the X-ray powder diffraction data points to the strong influence of the cation distribution on the ground-state magnetism of these systems. An explanation of this influence is proposed within the framework of a collective Jahn-Teller effect. (C) 2007 Elsevier B.V. All rights reserved.",
journal = "Journal of Magnetism and Magnetic Materials",
title = "Ground-state magnetism of chromium-substituted LiMn2O4 spinel",
pages = "943-949",
volume = "320",
number = "6",
doi = "10.1016/j.jmmm.2007.09.011",
url = "https://hdl.handle.net/21.15107/rcub_dais_2737"
}
Kusigerski, V., Marković, D., Spasojević, V., Cvjetićanin, N., Mitrić, M., Jugović, D.,& Uskoković, D.. (2008). Ground-state magnetism of chromium-substituted LiMn2O4 spinel. in Journal of Magnetism and Magnetic Materials, 320(6), 943-949.
https://doi.org/10.1016/j.jmmm.2007.09.011
https://hdl.handle.net/21.15107/rcub_dais_2737
Kusigerski V, Marković D, Spasojević V, Cvjetićanin N, Mitrić M, Jugović D, Uskoković D. Ground-state magnetism of chromium-substituted LiMn2O4 spinel. in Journal of Magnetism and Magnetic Materials. 2008;320(6):943-949.
doi:10.1016/j.jmmm.2007.09.011
https://hdl.handle.net/21.15107/rcub_dais_2737 .
Kusigerski, Vladan, Marković, Dragana, Spasojević, Vojislav, Cvjetićanin, Nikola, Mitrić, Miodrag, Jugović, Dragana, Uskoković, Dragan, "Ground-state magnetism of chromium-substituted LiMn2O4 spinel" in Journal of Magnetism and Magnetic Materials, 320, no. 6 (2008):943-949,
https://doi.org/10.1016/j.jmmm.2007.09.011 .,
https://hdl.handle.net/21.15107/rcub_dais_2737 .

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