Magnetic properties of the bond and crystal field dilution spin-3/2 Blume-Capel model in an external magnetic field

被引:10
作者
Xing, L. Y. [1 ,2 ]
Yan, S. L. [1 ,2 ,3 ]
机构
[1] Soochow Univ, Dept Phys, Suzhou 215006, Peoples R China
[2] Soochow Univ, Jiangsu Key Lab Film Mat, Suzhou 215006, Peoples R China
[3] CCAST, World Lab, Beijing 100080, Peoples R China
关键词
Spin-3/2 Blume-Capel model; Bond and crystal field dilution; Magnetic property; EMERY-GRIFFITHS MODEL; ANTIFERROMAGNETIC SPIN-3/2; ISING-MODEL; HONEYCOMB LATTICE; RECURSION METHOD; BEHAVIOR; PLATEAUS; SYSTEMS;
D O I
10.1016/j.jmmm.2012.04.038
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Magnetic properties of the bond and crystal field dilution spin-3/2 Blume-Capel model in an external magnetic field (h) on simple cubic lattice are studied by using the effective field theory. In the m-T plane, the degeneracy of the magnetization (m) is affected by the concentration of bond or crystal field dilution at low temperature (T). The magnetization curves can appear to fluctuate in certain regions of negative crystal field. In the m-h plane, the initial magnetization curve has an irregular behavior due to the introduction of bond dilution. The crystal field dilution has the influence on the process of magnetic domain displacement. In the chi-h plane, there exists one susceptibility (chi) shoulder and one step for different negative crystal field. The susceptibility curve takes on the feature of multi-peaks distribution under bond and crystal field dilution conditions. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:3641 / 3645
页数:5
相关论文
共 28 条
[1]   The spin-3/2 Blume-Capel model on the Bethe lattice using the recursion method [J].
Albayrak, E ;
Keskin, M .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2000, 218 (01) :121-127
[2]   Random crystal field effects for spin-3/2 Blume-Capel model [J].
Albayrak, Erhan .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2011, 323 (22) :2846-2850
[3]  
Ayache L., 2010, MOR J CONDENS MATTER, V12, P34
[4]   Magnetization and quadrupolar plateaus in the one-dimensional antiferromagnetic spin-3/2 and spin-2 Blume-Capel model [J].
Aydiner, Ekrem ;
Akyuz, Cenk ;
Gonulol, Meltem ;
Polat, Hamza .
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 2006, 243 (12) :2901-2912
[5]   Random crystal-field effect on the spin-3/2 Blume-Capel model [J].
Bahmad, L. ;
Benyoussef, A. ;
El Kenz, A. .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2008, 320 (3-4) :397-402
[6]   Multicritical behavior of the antiferromagnetic spin-3/2 Blume-Capel model: Finite-size-scaling and Monte Carlo studies [J].
Bekhechi, S ;
Benyoussef, A .
PHYSICAL REVIEW B, 1997, 56 (21) :13954-13959
[7]   THEORY OF FIRST-ORDER MAGNETIC PHASE CHANGE IN UO2 [J].
BLUME, M .
PHYSICAL REVIEW, 1966, 141 (02) :517-&
[8]  
Boughrara M, 2011, CHINESE J PHYS, V49, P672
[9]   Real-space renormalization-group study of the two-dimensional Blume-Capel model with a random crystal field [J].
Branco, NS ;
Boechat, BM .
PHYSICAL REVIEW B, 1997, 56 (18) :11673-11677
[10]   ON POSSIBILITY OF FIRST-ORDER PHASE TRANSITIONS IN ISING SYSTEMS OF TRIPLET IONS WITH ZERO-FIELD SPLITTING [J].
CAPEL, HW .
PHYSICA, 1966, 32 (05) :966-&