|
|||||
|
|
Spin solitons in molecular magnetic materials with the chiral structure |
|
| Authors: | R B Morgunov V L Berdinskiĭ M V Kirman K Inoue J Kishine Y Yoshida Y Tanimoto |
| Institution: | (1) Orenburg State University, Orenburg, 460018, Russia;(2) Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia;(3) Graduated School of Science, Hiroshima University, 739-8526 Higashi Hiroshima, Japan;(4) Department of Physics, Faculty of Engineering, Kyushu Institute of Technology, 804-8550 Kitakyushu, Japan |
| Abstract: | Quasiperiodic sequences of the maxima of microwave absorption with decreasing amplitudes have been observed in a temperature range of 4–50 K in the electron spin resonance spectra of ferrimagnetic chiral single crystals Mn{(R/S)-pn}]2Mn{(R/S)-pn}2(H2O)]Cr(CN)6]2, as well as Cr(CN)6]Mn(S)-pnH-(H2O)]H2O. Theoretical estimates and previous experimental data indicate that the Dzyaloshinskii-Moriya interaction is the main factor determining the chirality of the spin density and the existence of soliton solutions for the spin dynamics in these crystals. The experimental dependences obtained for the distances between the microwave power absorption maxima on the constant component of the magnetic field of the spectrometer correspond to the theoretical predictions for spin solitons in three-dimensional magnetic materials and exhibit another behavior in crystals with quasi-two-dimensional magnetic ordering. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |