Anomalous Temperature and Field Behaviors of Magnetization in Cubic Lattice Frustrated Ferromagnets

A.N. Ignatenko; Andrey A. Katanin; Valentin Yu. Irkhin

doi:10.4028/www.scientific.net/SSP.233-234.3

Paper Titles

Foreword, Committees and Contributors

Anomalous Temperature and Field Behaviors of Magnetization in Cubic Lattice Frustrated Ferromagnets
p.3

Coarsening in Critical Dynamics of 2D XY-Model
p.8

Green’s Function of Magnetoelastic Waves
p.12

Spin Excitations in Chiral Model of Graphene
p.16

Low-Temperature Spin Fluctuations beyond Spin Waves
p.20

Spin Fluctuations in Disordered Metallic Ferrimagnetic Alloys
p.25

The Investigation of Critical Properties of the Transition from Modulated Phase into Paramagnetic Phase
p.30

Adsorption and Magnetic Properties of Ultrathin Fe and Ni Alloy Films with an Inhomogeneous Magnetization Distribution
p.34

HomeSolid State PhenomenaSolid State Phenomena Vols. 233-234Anomalous Temperature and Field Behaviors of...

Anomalous Temperature and Field Behaviors of Magnetization in Cubic Lattice Frustrated Ferromagnets

Abstract:

Thermodynamic properties of cubic Heisenberg ferromagnets with competing exchange interactions are considered near the frustration point where the coefficient D in the spin-wave spectrum E_k~ Dk² vanishes. Within the Dyson-Maleev formalism it is found that at low temperatures thermal fluctuations stabilize ferromagnetism by increasing the value of D. For not too strong frustration this leads to an unusual "concave" shape of the temperature dependence of magnetization, which is in agreement with experimental data on the europium chalcogenides. Anomalous temperature behavior of magnetization is confirmed by Monte Carlo simulation. Strong field dependence of magnetization (paraprocess) at finite temperature is found near the frustration point.

You might also be interested in these eBooks

View Preview

Info:

Periodical:

Solid State Phenomena (Volumes 233-234)

Pages:

3-7

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.233-234.3

Citation:

Cite this paper

Online since:

July 2015

Authors:

A.N. Ignatenko*, Andrey A. Katanin, Valentin Yu. Irkhin

Keywords:

Frustration, Heisenberg Model, Spin Liquid

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

* - Corresponding Author

References

[1] N. Shannon, T. Momoi and P. Sindzingre: Phys. Rev. Lett. Vol. 96 (2006) p.027213.

Google Scholar

[2] M.E. Zhitomirsky and H. Tsunetsugu: Europhys. Lett. Vol. 92 (2010) p.37001.

Google Scholar

[3] A.N. Ignatenko, A.A. Katanin, V. Yu. Irkhin: JETP Letters Vol. 87 (2008) p.555.

Google Scholar

[4] A.N. Ignatenko, A.A. Katanin, V. Yu. Irkhin: JETP Letters Vol. 97 (2013) p.209.

Google Scholar

[5] T. Mairoser, A. Schmehl, A. Melville et al.: Phys. Rev. Lett. Vol. 105 (2010) p.257206.

Google Scholar

[6] E.L. Nagaev: Magnetics with Complicated Exchange Interactions [in Russian] (Nauka, Moscow 1988).

Google Scholar

[7] J. Villain, R. Bidaux, J.P. Carton and R. Conte: J. Phys. (Paris) Vol. 41 (1980) p.1263.

Google Scholar

[8] V. Yu. Irkhin, A.A. Katanin, M.I. Katsnelson: Fiz. Met. Metalloved. Vol. 79(1) (1995) p.65.

Google Scholar

[9] V. Yu. Irkhin, A.A. Katanin and M.I. Katsnelson: J. Phys.: Cond. Mat. Vol. 4 (1992) p.5227.

Google Scholar

[10] V. Yu. Irkhin, A.A. Katanin and M.I. Katsnelson: Phys. Rev. B Vol. 60 (1999) p.1082.

Google Scholar

[11] A.A. Katanin, V. Yu. Irkhin: Physics-Uspekhi Vol. 50 (2007) p.613.

Google Scholar

[12] V.G. Baryakhtar, V.N. Krivoruchko and D.A. Yablonskii: JETP Letters Vol. 58 (1983) p.351.

Google Scholar

[13] B. Bauer, L.D. Carr, H.G. Evertz et al.: J. Stat. Mech.: Theor. Exp. Vol. 2011 (2011) p. P05001.

Google Scholar

[14] R.M. Hornreich, M. Luban and S. Shtrikman: Phys. Rev. Lett. Vol. 35 (1975) p.1678.

Google Scholar