Book ChapterDOI
Magnetic Intercalation Compounds of Graphite
Gene Dresselhaus,J. T. Nicholls,Mildred S. Dresselhaus +2 more
- pp 247-345
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TLDR
In this article, the structure and magnetic properties of magnetic acceptor and donor graphite intercalation compounds (GICs) are reviewed and compared with recent evidence for 2D magnetism in acceptor GICs.Abstract:
Magnetic graphite intercalation compounds are layered magnetic materials in which the ratio of the intraplanar to interplanar exchange coupling can be varied by several orders of magnitude through intercalation and staging. In this chapter, the structure and magnetic properties of magnetic acceptor and donor graphite intercalation compounds (GICs) are reviewed. The relation between the GIC and the pristine intercalate makes it possible to measure the effect of staging in the GIC, including the crossover to lower dimensionality. The theory of two-dimensional (2D) magnetism is reviewed and compared with recent evidence for 2D magnetism in acceptor graphite intercalation compounds. The transition-metal dichloride acceptor compounds show larger magnetic anisotropies than the donor GICs and provide instructive examples of quasi-2D magnetic systems. The prototype 2D-XY system is the CoCl2 GIC, for which a large body of experimental data is presented to infer the 2D behavior. Experimental results for the commensurate stage-1 donor compound C6Eu are presented as an example of an anisotropic RKKY magnetic interaction. In addition, progress in the study of many magnetic acceptor GICs is reviewed.read more
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Journal ArticleDOI
Multiple ferromagnetic transitions and structural distortion in the van der Waals ferromagnet VI3 at ambient and finite pressures
Elena Gati,Elena Gati,Yuji Inagaki,Yuji Inagaki,Yuji Inagaki,Tai Kong,Robert J. Cava,Yuji Furukawa,Yuji Furukawa,Paul C. Canfield,Paul C. Canfield,Sergey L. Bud'ko,Sergey L. Bud'ko +12 more
TL;DR: In this article, the authors performed a microscopic and thermodynamic study under hydrostatic pressure on bulk single crystals and found that VI${}_{3}$ undergoes two ferromagnetic transitions for ambient and low pressures, implying a complex magnetic structure.
Journal Article
Two Dimensional XY Model with Multiple Symmetry Breaking Fields
Kwok Yip Szeto,Gene Dresselhaus +1 more
Journal ArticleDOI
Carbonization behavior of polyimide film containing iron complex in relation to magnetic properties
TL;DR: In this article, a polyimide film containing iron complex at temperatures up to 1000 °C was prepared by heating polyimides with carbon matrix and fine iron particles, and the particles were α-Fe, γ-Fe and Fe3C with fractions of about 7:2:1.
Journal Article
Multiple ferromagnetic transitions and structural distortion in the van der Waals ferromagnet VI 3 at ambient and finite pressures
Elena Gati,Yuji Inagaki,Tai Kong,Robert J. Cava,Yuji Furukawa,Sergey L. Bud'ko,Paul C. Canfield +6 more
Journal ArticleDOI
Magnetic Properties of Random-Mixture Graphite Intercalation Compounds
TL;DR: In this paper, the spin frustration effects of random-mixture GICs have been studied and the magnetic properties of these compounds have been investigated by dc and ac magnetic susceptibility, and low field SQUID magnetization measurements.
References
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