Structural and magnetic properties of La2Ni1-x Zn x MnO6 compounds

被引：1
|
作者：
Pramanik, Debabrata [1 ]
Mukherjee, S. [1 ]
Dan, Shovan [1 ]
Poddar, Asok [2 ]
Dasgupta, Papri [3 ]
Jayavel, R. [4 ]
机构：
[1] Univ Burdwan, Dept Phys, Burdwan 713104, W Bengal, India
[2] Saha Inst Nucl Phys, 1-AF Bidhannagar, Kolkata 700064, India
[3] Jadavpur Univ, Dept Phys, Kolkata 700032, India
[4] Anna Univ, Ctr Nanosci & Technol, Chennai 600025, Tamil Nadu, India
来源：
PHYSICA SCRIPTA | 2021年 / 96卷 / 12期
关键词：
double perovskite; magnetic properties; critical exponent; BEHAVIOR;
D O I：
10.1088/1402-4896/ac2fc1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Compounds of a randomly diluted ferromagnetic system La2Ni1-x Zn x MnO6 (LNZ( x )MO) (x = 0.2, 0.4, 0.6, 0.8) have been synthesized by Sol-gel technique. These compounds possess monoclinic structure (P2(1)/n, space group number 14) at room temperature. Below the Curie temperature (T (C)), LNZ( x )MO are soft ferromagnets with low values of remanent magnetization (M ( r )) and coercivity (H ( c )) for x less than equal to 0.6. The exchange interaction is of short range nature. Freezing of clusters is observed in LNZ(0.8)MO below T = 10 K. Although, LNZ( x )MO is a randomly diluted ferromagnetic system, no signature of Griffiths phase (GP) is found.
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页数：8
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