Effect of Fe doping on structure, magnetic and electrical properties La0.7Ca0.3Mn0.5Fe0.5O3 manganite

被引：30
|
作者：
Dang, N. T. [1 ]
Zakhvalinskii, V. S. [2 ]
Kozlenko, D. P. [3 ]
The-Long Phan [4 ,5 ]
Kichanov, S. E. [3 ]
Trukhanov, S., V [6 ,7 ,8 ]
Trukhanov, A., V [6 ,7 ,8 ]
Nekrasova, Yu S. [2 ]
Taran, S., V [2 ]
Ovsyannikov, S., V [9 ]
Jabarov, S. H. [3 ,10 ]
Trukhanova, E. L. [6 ,7 ,8 ]
机构：
[1] Duy Tan Univ, Inst Res & Dev, R-809,K7-25 Quang Trung, Da Nang 550000, Vietnam
[2] Belgorod State Natl Res Univ, Pobedy St 85, Belgorod 308015, Russia
[3] Joint Inst Nucl Res, Frank Lab Neutron Phys, Joliot Curie Str 6, Dubna 141980, Russia
[4] Hankuk Univ Foreign Studies, Dept Phys, Yongin 449791, South Korea
[5] Hankuk Univ Foreign Studies, Oxide Res Ctr, Yongin 449791, South Korea
[6] NAS Belarus, Sci Pract Mat Res Ctr, P Brovki Str 19, Minsk 220072, BELARUS
[7] Natl Univ Sci & Technol MISiS, Leninsky Prospekt 4, Moscow 119049, Russia
[8] South Ural State Univ, Lenin Prospect 76, Chelyabinsk 454080, Russia
[9] Univ Bayreuth, Bayer Geoinst, D-95447 Bayreuth, Germany
[10] ANAS, Inst Phys, AZ-1143 Baku, Azerbaijan
来源：
CERAMICS INTERNATIONAL | 2018年 / 44卷 / 13期
基金：
俄罗斯基础研究基金会;
关键词：
Substituted manganites; Neutron powder diffraction; Crystal structure; Magnetic properties; Conduction mechanism; ANION-DEFICIENT MANGANITE; DENSITY-OF-STATES; PHASE-SEPARATION; MAGNETOTRANSPORT PROPERTIES; COLOSSAL MAGNETORESISTANCE; HOPPING CONDUCTIVITY; TRANSPORT-PROPERTIES; NEUTRON-DIFFRACTION; CRYSTAL-STRUCTURE; PRESSURE;
D O I：
10.1016/j.ceramint.2018.05.124
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The crystal and magnetic structures of La0.7Ca0.3Mn0.5Fe0.5O3 compound have been studied by neutron powder diffraction in the temperature range of 10-300 K. The magnetization and electrical resistivity measurements have been also performed in the temperature range of 5-300 K in magnetic fields up to 1 T. These experimental results indicate a formation of a complex magnetic state in which the long-range antiferromagnetic G-type phase coexists with the short-range ferromagnetic clusters. The electrical conductivity of La0.7Ca0.3Mn0.5Fe0.5O3 demonstrates an anomalous temperature behavior suggesting a switching between different states. The origin of the unconventional magnetic state, the mechanisms of the electrical conductivity, and correlation between magnetic and transport properties in this manganite have been discussed.
引用
收藏
页码：14974 / 14979
页数：6
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