Dilution Effect on Nanographene Magnetic Properties

被引：37

作者：

Masrour, R. ^{[1
,2
]}

Bahmad, L. ^{[2
]}

Hamedoun, M. ^{[3
]}

Benyoussef, A. ^{[2
,3
]}

Hlil, E. K. ^{[4
,5
]}

机构：

[1] Cady Ayyad Univ, Natl Sch Appl Sci, Lab Mat Proc Environm & Qual, Safi 6346000, Morocco

[2] Univ Mohammed V Agdal, Fac Sci, Lab Magnetisme & Phys Hautes Energies LMPHE URAC, Rabat, Morocco

[3] MascIR Rabat, Inst Nanomat & Nanotechnol, Rabat, Morocco

[4] CNRS, Inst Neel, F-38042 Grenoble 9, France

[5] Univ Grenoble 1, F-38042 Grenoble 9, France

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2014年 / 27卷 / 02期

关键词：

Nanographene; Bond dilution; Monte Carlo simulations; Magnetization; CARBON; GRAPHENE; FERROMAGNETISM;

D O I：

10.1007/s10948-013-2301-6

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The magnetic properties of a diluted ferromagnetic-antiferromagnetic Ising model on a nanographene lattice, constituted of pure ferromagnetic layer with spin S=5/2 and diluted antiferromagnetic layer with a spin sigma=3/2, have been studied using Monte Carlo simulations. The considered Hamiltonian takes into account nearest-neighbor interactions, crystal field, and external magnetic field. The calculated magnetizations versus the dilution of the bonds in block A depend on the temperature, crystal field Delta, and external magnetic field h. The saturation magnetization and the magnetic remanent are also obtained for the two blocks.

引用

页码：535 / 541

页数：7

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