Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 539.21:537.86 Doi: 10.31772/2712-8970-2021-22-3-506-516
Incommensurate magnetic structure in an antiferromagnet with a strong exchange interaction between delocalized and localized electrons
Aplesnin S. S., Zelenov F. V., Bandurina O. N., Mashkov P. P.
Reshetnev Siberian State University of Science and Technology, 31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037, Russian Federation
The formation of an incommensurate three-dimensional magnetic order in an antiferromagnet as a re-sult of a strong correlation between holes and localized spins is studied. The spectrum of spin polarons, the spin density wave, and the wave vector of the structure are calculated in the Kondo lattice model. The magnetic system is considered in the adiabatic approximation, the sublattice magnetization and spin-spin correlation functions are presented in the mean-field approximation. The Fermi energy and s – d interac-tion energy are calculated. The heat capacity and heat capacity anomalies due to spin polarons are deter-mined. Anomalies in the temperature dependence of conductivity and in optical conductivity in the low-energy region are found.
Keywords: incommensurate magnetic structure, Kondo lattice, conductivity.
References

1.Maruyama S., Tanaka H., Narumi Y. Susceptibility, Magnetization Process and ESR Studies on the Helical Spin System RbCuCl3. J. Phys. Soc. Jpn. 2001, Vol. 70, P. 859–865.

2.Horvatic M. et al. NMR Imaging of the Soliton Lattice Profile in the Spin-Peierls Compound CuGeO3. Phys. Rev. Lett. 1999, No. 83, P. 420.

3.Aplesnin S. S. Quantum spin liquid in the 2D anisotropic Heisenberg model with frustrated next nearest neighbor exchange. Low Temperature Physics. 1998, Vol. 24 (8), P. 572–577.

4.Aplesnin S. S., Ryabinkina L. I., Romanova O. B., Har'kov A. M., Gorev M. V., Balaev A. D., Eremin E. V., Bovina A. F. The magnetoelastic effect in CoxMn1-xS solid solutions. Solid State Communications. 2010, Vol. 150 (13–14), P. 564–567.

5.Magnetoresistive effect in the cobalt-doped bismuth ferrite films / Romanova O. B., Aplesnin S. S., Sitnikov M. N. et al. J. Mater. Sci.: Mater. Electron. 2020, Vol. 31, Is. 10, P. 7946–7952.

6.Roessli B., Schefer J., Petrakovskii G. A., Ouladdiaf B. et al. Formation of a Magnetic Soliton Lattice in Copper Metaborate. Phys. Rev. Lett. 2001, Vol. 86, P. 1885.

7.Martinez-Ripoll M., Martínez-Carrera S., García-Blanco S. The crystal structure of zinc diborate ZnB4O7. Acta Cryst. 1971, Vol. 27, P. 672–677

8.Aplesnin S. S. Existence of massive singlet excitations in an antiferromagnetic alternating chain with S=1/2. Physical Review B – Condensed Matter and Materials Physics. 2000, Vol. 61 (10), P. 6780–6784.

9.Aplesnin S. S. Influence of spin-phonon coupling on the magnetic moment in 2D spin-1/2 antiferromagnet. Physics Letters, Section A: General, Atomic and Solid State Physics. 2003, Vol. 313 (1–2), P. 122–125.

10.Aplesnin S. S. Two-particle spin-singlet excitations in coupled spin-1/2 antiferromagnetic alternating chains. Journal of Physics Condensed Matter, 2001. Vol. 13 (14), pp. 3403-3410.

11.Aplesnin S.S. Nonadiabatic interaction of acoustic phonons with spins S = 1/2 in the two-dimensional heisenberg model. Journal of Experimental and Theoretical Physics. 2003, Vol. 97 (5), P. 969–977.

12. Aplesnin S. S. Two-dimensional quantum spin liquid with S = 1/2 spins interacting with acoustic phonons. Physics Letters, Section A: General, Atomic and Solid State Physics. 2004, Vol. 333 (5–6), P. 446–449.

13.Aplesnin S. S., Moskvin A. I. Magnetic structures upon ordering of eg orbitals in a square lattice. Journal of Physics Condensed Matter. 2008, Vol. 20 (32), P. 325202.

14.Aplesnin S. S., Piskunova N. I. Influence of the four-spin exchange interaction on the magnetic properties of manganites. Journal of Physics Condensed Matter. 2005, Vol. 17 (37), P. 5881–5888.

15.Aplesnin S. S. Quantum spin liquid in an antiferromagnet with four-spin interactions. Physics of the Solid State. 1997, Vol. 39 (8), P. 1246–1250.

16.Aleksandrov K. S et al. Electromechanical properties and anisotropy of acoustic wave propagation in CuB2O4 copper metaborate. Physics of the Solid State. 2003, Vol. 45, P. 41–45.

17.Bergmann D., Hinze J. Electronegativity and Molecular Properties. Angew. Chem. Int. Edn Engl. 1996, Vol. 35, P. 150–163.

18.Barabanov A. F., Maksimov L. A., Miheenkov A. V. [Spin polaron approach to superconductivity]. Journal of Experimental and Theoretical Physics Letters. 2001, Vol. 74, No. 6, P. 328–331 (In Russ.).

19.Petrakovskii G. A., Popov M. A., Roessli B. [Incommensurable magnetic structure in copper metaborate]. JETP. 2001, Vol. 92, P. 809 (In Russ.).

20.Izyumov Ya. A., Skryabin Yu. N. [Double exchange model and the unique properties of the manganites] Phys. Usp. 2001, Vol. 44, 121–148 (In Russ.).

21.       Ando T., Fowler A. B., Stern F. Electronic properties of two-dimensional systems. Rev. Mod. Phys. 1982, Vol. 54, P. 437.


Aplesnin Sergey Stepanovich is a Dr. Sc., Professor of the Department of physics; Reshetnev Siberian State University of Science and Technology. E-mail: aplesnin@sibsau.ru, apl@iph.krasn.ru.

Zelenov Fyodor Vladimirivich is a graduate student of the Department of physics; Reshetnev Siberian State University of Science and Technology. E-mail: fyodor.zelenov@yandex.ru.

Bandurina Olga Nikolaevna is a Cand. Sc., Associate Professor, Department of Physics; Reshetnev Siberian State University of Science and Technology. E-mail: bandurinaon@mail.ru.

Mashkov Pavel Pavlovich is a Cand. Sc., Associate Professor, Department of Physics; Reshetnev Siberian State University of Science and Technology. E-mail: mpp113@yandex.ru.


  Incommensurate magnetic structure in an antiferromagnet with a strong exchange interaction between delocalized and localized electrons