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Magnetochemistry
Special Issues
Spectroscopy of Multiferroic Materials
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Spectroscopy of Multiferroic Materials

A special issue of Magnetochemistry (ISSN 2312-7481). This special issue belongs to the section "Magnetic Materials".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 3171

Special Issue Editors

Dr. Alexander S. Krylov

E-Mail Website
Guest Editor
Laboratory of Molecular Spectroscopy, L. V. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Academgorodok 50/38, 660036 Krasnoyarsk, Russia
Interests: phase transitions; high pressure; Raman spectroscopy
Special Issues, Collections and Topics in MDPI journals
Dr. Mikhail Prosnikov

E-Mail Website
Guest Editor
Ferroics Physics Laboratory, Ioffe Institute, 194021 Saint-Petersburg, Russia
Interests: lattice dynamics; Raman spectroscopy; magnetic symmetry

Special Issue Information

Dear Colleagues,

Multiferroic materials demonstrate the coexistence of at least two ferroic orders (ferroelectric, ferromagnetic and ferroelastic). Most have potential applications in various devices. However, before their practical application, the behaviour of interactions between magnetic, electric and elastic orders should be determined. Any ferroic interaction is highly desired. Besides their ability to coexist, the strong coupling between two ferroic orders, resulting in additional functionalities, is of particular interest.

Spectroscopy is now widely applied in the pure and applied sciences and can be used for the characterization of the structure or properties of solids. Thus, spectroscopy can play a significant role in the study of material phase transformations, possibly involving order-disorder phenomena, polymorphs, chemical diffusion and solid–solution shifts. Crystals can be studied in situ in extreme conditions— high pressure, high temperatures or both simultaneously and low temperatures, as well as in electric or magnetic fields — and extract thermodynamic data under varying pressure-temperature-field conditions. The potential of nanocrystals, shocked crystals and many others also merit attention.

We are inviting researchers working in a wide range of disciplines to contribute to this Special Issue. “Spectroscopy of Multiferroic Materials” aims to provide a forum highlighting recent efforts in spectroscopy to analyse multiferroics. Basic and applied investigations and theoretical and experimental work are all welcome. Scientists are encouraged to submit manuscripts discussing the interconnections between structure, magnetic and physical properties with any kind of spectroscopic response. The present Special Issue will focus particularly on modern discoveries, and thus submissions on this subject are encouraged. The volume is open to original manuscripts and feature and short review articles on current hot topics.

Dr. Alexander S. Krylov
Dr. Mikhail Prosnikov
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Magnetochemistry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Raman IR spectroscopy
  • fluorescence luminescence spectroscopy
  • multiferroics
  • ferroics order coupling
  • magnetic interactions
  • terahertz spectroscopy
  • dielectric spectroscopy
  • second-harmonic generation
  • impedance spectroscopy

Published Papers (2 papers)

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Research

15 pages, 3187 KiB  
Article
Nonreciprocity of Optical Absorption in the Magnetoelectric Antiferromagnet CuB2O4
by Kirill N. Boldyrev, Anastasiia D. Molchanova, Alexey R. Nurmukhametov, Mikhail V. Eremin, Roman V. Pisarev and Marina N. Popova
Magnetochemistry 2023, 9(4), 95; https://doi.org/10.3390/magnetochemistry9040095 - 30 Mar 2023
Cited by 2 | Viewed by 1227
Abstract
The change in the absorption spectra due to reversal of the direction of light propagation (nonreciprocity of absorption) is a consequence of a simultaneous violation of both time-reversal and spatial-inversion symmetries. Here, we report on a high-resolution spectroscopic study of absorption nonreciprocity in [...] Read more.
The change in the absorption spectra due to reversal of the direction of light propagation (nonreciprocity of absorption) is a consequence of a simultaneous violation of both time-reversal and spatial-inversion symmetries. Here, we report on a high-resolution spectroscopic study of absorption nonreciprocity in the noncentrosymmetric multiferroic CuB2O4 below the antiferromagnetic transition temperature TN = 21 K in the commensurate phase in magnetic fields up to 0.5 T. The study was performed in a broad spectral region covering several exciton transitions, which all are followed by an anomalously rich structure due to the multiple exciton-magnon-phonon satellites. Two components were resolved for the spectral line near 1.4 eV corresponding to the exciton transition between the ground and the first excited state. A quantitative theory of the optical absorption and nonreciprocity at this line was developed. The theory takes into account the interference between the electric and magnetic dipole contributions to the absorption and gives an adequate explanation of the relevant effects. Full article
(This article belongs to the Special Issue Spectroscopy of Multiferroic Materials)
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10 pages, 1286 KiB  
Article
High-Field Raman Scattering in an Antiferromagnet Fe3BO6
by Mikhail A. Prosnikov, Sergei N. Barilo, Nadzeya A. Liubochko, Roman V. Pisarev and Peter C. M. Christianen
Magnetochemistry 2022, 8(8), 77; https://doi.org/10.3390/magnetochemistry8080077 - 24 Jul 2022
Viewed by 1549
Abstract
The detailed Raman scattering investigation of the lattice and spin dynamics of a single crystal of the Fe3BO6 antiferromagnet is reported. Azimuthally resolved polarization measurements provided an unambiguous determination of the symmetry of observed excitations. Low-temperature experiments at [...] Read more.
The detailed Raman scattering investigation of the lattice and spin dynamics of a single crystal of the Fe3BO6 antiferromagnet is reported. Azimuthally resolved polarization measurements provided an unambiguous determination of the symmetry of observed excitations. Low-temperature experiments at T=4.2 K allowed us to reduce anharmonic contribution and deconvolute several overlapping phonon modes. Low-frequency measurements have made it possible to find two excitations at 13.1 and 16.6 cm−1, which were assigned to quasi-ferromagnetic and quasi-antiferromagnetic magnon excitations, respectively. The magnetic field applied along the hard-magnetization axis causes energy shifts of these excitations, but no spin-flip transition was observed up to B=30 T. Full article
(This article belongs to the Special Issue Spectroscopy of Multiferroic Materials)
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